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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 132 (Can Communication System (HV) - Circuit Tests (5 Of 9)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Check Bus 2 Line [12/2019 - 11/2023] >> Procedure

Check Bus 2 Line [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OPEN IN CAN MAIN BUS LINES 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY848025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      H59-18 (CA4H) - H59-17 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  56

    Result: 

    OK 

    See step  2

  2. CHECK FOR SHORT IN CAN BUS LINES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY848025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      H59-18 (CA4H) - H59-17 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  39

    Result: 

    OK 

    See step  3

  3. CHECK FOR SHORT TO +B IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY850193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      H59-18 (CA4H) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      H59-17 (CA4L) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  4

  4. CHECK FOR SHORT TO GND IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY850192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      H59-18 (CA4H) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      H59-17 (CA4L) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the A77 No. 1 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-17 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-20 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  7

  7. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-18 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  8

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY941120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-19 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  9

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-22 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  10

  10. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for AWD A
      for 2WD B

    Result: 

    B 

    See step  12

    Result: 

    A 

    See step  11

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-21 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-12 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  20

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-13 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  21

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the H59 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-17 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  15. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A27 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-20 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

  16. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A50 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-18 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  17. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A32 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY941120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-19 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  18. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-22 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  19. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-21 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  20. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A57 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-12 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  21. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A44 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - H56-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A77-13 (CANL) - H56-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  22. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the A77 No. 1 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-17 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-20 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  32

    Result: 

    OK 

    See step  24

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-18 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  33

    Result: 

    OK 

    See step  25

  25. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-19 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  34

    Result: 

    OK 

    See step  26

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-22 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  27

  27. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for AWD A
      for 2WD B

    Result: 

    B 

    See step  29

    Result: 

    A 

    See step  28

  28. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-21 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  36

    Result: 

    OK 

    See step  29

  29. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-12 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  37

    Result: 

    OK 

    See step  30

  30. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY905943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-13 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  38

  31. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the H59 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-17 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  32. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A27 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-20 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

  33. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A50 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-18 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  34. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A32 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-19 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  35. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-22 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  36. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-21 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  37. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A57 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-12 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  38. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A44 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY905943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - H56-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A77-13 (CANL) - H56-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  39. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the A77 No. 1 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - A77-17 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  48

    Result: 

    OK 

    See step  40

  40. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - A77-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  49

    Result: 

    OK 

    See step  41

  41. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - A77-18 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  50

    Result: 

    OK 

    See step  42

  42. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY944802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - A77-19 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  51

    Result: 

    OK 

    See step  43

  43. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - A77-22 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  52

    Result: 

    OK 

    See step  44

  44. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for AWD A
      for 2WD B

    Result: 

    B 

    See step  46

    Result: 

    A 

    See step  45

  45. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - A77-21 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  53

    Result: 

    OK 

    See step  46

  46. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - A77-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  54

    Result: 

    OK 

    See step  47

  47. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - A77-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  55

  48. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the H59 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - A77-17 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  49. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A27 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - A77-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

  50. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A50 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Vehicle Approaching Speaker Controller

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-7 (CANH) - A77-18 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  51. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A32 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY944802Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-8 (CANH) - A77-19 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  52. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-11 (CANH) - A77-22 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  53. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A55 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-10 (CANH) - A77-21 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  54. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A57 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 2 Skid Control ECU (Brake Actuator Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-1 (CANH) - A77-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  55. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A44 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY922609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-2 (CANH) - A77-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY) 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  56. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the H59 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY889556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      H59-18 (CA4H) - H59-17 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    See step  57

  57. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Reconnect the H59 central gateway ECU (network gateway ECU) connector.
    2. Disconnect the A77 No. 1 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY922597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-6 (CANH) - A77-17 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  58

  58. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY922596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 1 Global CAN Junction Connector)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A77-9 (CANH) - A77-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  59

  59. CHECK FOR OPEN IN CAN MAIN BUS LINES (ECM) 
    1. Reconnect the A77 No. 1 global CAN junction connector.
    2. Disconnect the A27 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY884561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to ECM)

      Standard Resistance

      Tester Connection Condition Specified Condition
      A27-8 (CANH) - A27-18 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 

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