Check Bus 2 Line [11/2024 - ]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-26 (CA4H) - H143-25 (CA4L)	Cable disconnected from negative (-) auxiliary battery terminal	Below 70 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  35

Result: 

OK 

See step  2

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-26 (CA4H) - H143-25 (CA4L)	Cable disconnected from negative (-) auxiliary battery terminal	54 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  25

Result: 

OK 

See step  3

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   H143-26 (CA4H) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   H143-25 (CA4L) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  15

Result: 

OK 

See step  4

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   H143-26 (CA4H) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   H143-25 (CA4L) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

See step  5

1. Disconnect the A93 No. 1 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-17 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  10

Result: 

OK 

See step  6

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-14 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  11

Result: 

OK 

See step  7

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-15 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  12

Result: 

OK 

See step  8

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-12 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  13

Result: 

OK 

See step  9

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-16 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  14

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-17 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [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)) 

1. Disconnect the A27 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-14 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the H67 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-15 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A55 inverter with converter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-12 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A50 vehicle approaching speaker controller connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher
   A93-16 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A93 No. 1 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-17 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  20

Result: 

OK 

See step  16

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-14 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  21

Result: 

OK 

See step  17

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-15 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  22

Result: 

OK 

See step  18

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-12 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  23

Result: 

OK 

See step  19

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-16 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  24

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-17 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [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)) 

1. Disconnect the A27 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-14 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the H67 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-15 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A55 inverter with converter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-12 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A50 vehicle approaching speaker controller connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) auxiliary battery terminal	6 kΩ or higher
   A93-16 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A93 No. 1 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - A93-17 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  30

Result: 

OK 

See step  26

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - A93-14 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  31

Result: 

OK 

See step  27

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - A93-15 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  32

Result: 

OK 

See step  28

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - A93-12 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  33

Result: 

OK 

See step  29

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - A93-16 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  34

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - A93-17 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [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)) 

1. Disconnect the A27 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - A93-14 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the H67 hybrid vehicle control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-4 (CANH) - A93-15 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A55 inverter with converter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-1 (CANH) - A93-12 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the A50 vehicle approaching speaker controller connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-5 (CANH) - A93-16 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   H143-26 (CA4H) - H143-25 (CA4L)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

See step  36

1. Reconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Disconnect the A93 No. 1 global CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-6 (CANH) - A93-17 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   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  37

1. Measure the resistance according to the value(s) in the table below.

   Courtesy 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
   A93-3 (CANH) - A93-14 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  38

1. Reconnect the A93 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.

   Courtesy 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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