Check Bus 4 Line [12/2019 - 11/2023]: Procedure

1. Disconnect the cable from the negative (-) 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
   H59-22 (CA2H) - H59-7 (CA2L)	Cable disconnected from negative (-) battery terminal	Below 70 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

See step  56

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
   H59-22 (CA2H) - H59-7 (CA2L)	Cable disconnected from negative (-) battery terminal	54 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  39

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
   H59-22 (CA2H) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H59-7 (CA2L) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  22

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
   H59-22 (CA2H) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H59-7 (CA2L) - 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

1. Disconnect the H90 No. 2 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. 2 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-15 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  14

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. 2 Global CAN Junction Connector)	*b	to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-12 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  15

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. 2 Global CAN Junction Connector)	*b	to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-13 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  16

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. 2 Global CAN Junction Connector)	*b	to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-14 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  17

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. 2 Global CAN Junction Connector)	*b	to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-17 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  18

Result: 

OK 

See step  10

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. 2 Global CAN Junction Connector)	*b	to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-19 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  19

Result: 

OK 

See step  11

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. 2 Global CAN Junction Connector)	*b	to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-18 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  20

Result: 

OK 

See step  12

1. Check vehicle type.

   Result

   Result	Proceed to
   for AWD	A
   except AWD	B

Result: 

B 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  13

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. 2 Global CAN Junction Connector)	*b	to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-16 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  21

1. Disconnect the H59 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. 2 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-15 (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. 2 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the C67 rack and pinion power steering gear 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. 2 Global CAN Junction Connector)	*b	to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-12 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR 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. 2 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

1. Disconnect the A39 brake actuator 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. 2 Global CAN Junction Connector)	*b	to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-13 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 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. 2 GLOBAL CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY) 

1. Disconnect the e2 occupant detection 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. 2 Global CAN Junction Connector)	*b	to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-14 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE OCCUPANT DETECTION 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. 2 GLOBAL CAN JUNCTION CONNECTOR - OCCUPANT DETECTION ECU) 

1. Disconnect the H57 steering sensor 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. 2 Global CAN Junction Connector)	*b	to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-17 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

1. Disconnect the M51 tire pressure warning ECU and receiver 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. 2 Global CAN Junction Connector)	*b	to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-19 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

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

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

1. Disconnect the H58 airbag sensor 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. 2 Global CAN Junction Connector)	*b	to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-18 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

1. Disconnect the M42 4WD ECU 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. 2 Global CAN Junction Connector)	*b	to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H90-16 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 4WD ECU ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) 

1. Disconnect the H90 No. 2 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. 2 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-15 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  31

Result: 

OK 

See step  23

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. 2 Global CAN Junction Connector)	*b	to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-12 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  32

Result: 

OK 

See step  24

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. 2 Global CAN Junction Connector)	*b	to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-13 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  33

Result: 

OK 

See step  25

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. 2 Global CAN Junction Connector)	*b	to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-14 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  34

Result: 

OK 

See step  26

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. 2 Global CAN Junction Connector)	*b	to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-17 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  35

Result: 

OK 

See step  27

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. 2 Global CAN Junction Connector)	*b	to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-19 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  36

Result: 

OK 

See step  28

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. 2 Global CAN Junction Connector)	*b	to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-18 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  37

Result: 

OK 

See step  29

1. Check vehicle type.

   Result

   Result	Proceed to
   for AWD	A
   except AWD	B

Result: 

B 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  30

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. 2 Global CAN Junction Connector)	*b	to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-16 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  38

1. Disconnect the H59 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. 2 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-15 (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. 2 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the C67 rack and pinion power steering gear 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. 2 Global CAN Junction Connector)	*b	to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-12 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR 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. 2 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

1. Disconnect the A39 brake actuator 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. 2 Global CAN Junction Connector)	*b	to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-13 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 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. 2 GLOBAL CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY) 

1. Disconnect the e2 occupant detection 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. 2 Global CAN Junction Connector)	*b	to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-14 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE OCCUPANT DETECTION 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. 2 GLOBAL CAN JUNCTION CONNECTOR - OCCUPANT DETECTION ECU) 

1. Disconnect the H57 steering sensor 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. 2 Global CAN Junction Connector)	*b	to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-17 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

1. Disconnect the M51 tire pressure warning ECU and receiver 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. 2 Global CAN Junction Connector)	*b	to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-19 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

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

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

1. Disconnect the H58 airbag sensor 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. 2 Global CAN Junction Connector)	*b	to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-18 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

1. Disconnect the M42 4WD ECU 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. 2 Global CAN Junction Connector)	*b	to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H90-16 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 4WD ECU ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) 

1. Disconnect the H90 No. 2 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. 2 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H90-15 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

See step  48

Result: 

OK 

See step  40

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. 2 Global CAN Junction Connector)

   *b

   to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H90-12 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  49

Result: 

OK 

See step  41

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. 2 Global CAN Junction Connector)

   *b

   to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H90-13 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  50

Result: 

OK 

See step  42

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. 2 Global CAN Junction Connector)

   *b

   to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H90-14 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  51

Result: 

OK 

See step  43

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. 2 Global CAN Junction Connector)

   *b

   to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H90-17 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  52

Result: 

OK 

See step  44

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. 2 Global CAN Junction Connector)

   *b

   to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H90-19 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  53

Result: 

OK 

See step  45

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. 2 Global CAN Junction Connector)

   *b

   to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H90-18 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

See step  54

Result: 

OK 

See step  46

1. Check vehicle type.

   Result

   Result	Proceed to
   for AWD	A
   except AWD	B

Result: 

B 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  47

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. 2 Global CAN Junction Connector)

   *b

   to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H90-16 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  55

1. Disconnect the H59 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. 2 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H90-15 (CANL)	Cable disconnected from negative (-) 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. 2 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the C67 rack and pinion power steering gear 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. 2 Global CAN Junction Connector)

   *b

   to Rack and Pinion Power Steering Gear Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-2 (CANH) - H90-12 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR 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. 2 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

1. Disconnect the A39 brake actuator 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. 2 Global CAN Junction Connector)

   *b

   to Brake Actuator Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-3 (CANH) - H90-13 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 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. 2 GLOBAL CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY) 

1. Disconnect the e2 occupant detection 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. 2 Global CAN Junction Connector)

   *b

   to Occupant Detection ECU

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-4 (CANH) - H90-14 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE OCCUPANT DETECTION 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. 2 GLOBAL CAN JUNCTION CONNECTOR - OCCUPANT DETECTION ECU) 

1. Disconnect the H57 steering sensor 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. 2 Global CAN Junction Connector)

   *b

   to Steering Sensor

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-7 (CANH) - H90-17 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

1. Disconnect the M51 tire pressure warning ECU and receiver 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. 2 Global CAN Junction Connector)

   *b

   to Tire Pressure Warning ECU and Receiver

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-9 (CANH) - H90-19 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

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

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

1. Disconnect the H58 airbag sensor 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. 2 Global CAN Junction Connector)

   *b

   to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H90-18 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

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. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

1. Disconnect the M42 4WD ECU 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. 2 Global CAN Junction Connector)

   *b

   to 4WD ECU Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-6 (CANH) - H90-16 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE 4WD ECU ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - 4WD ECU ASSEMBLY) 

1. Disconnect the H90 No. 2 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. 2 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-5 (CANH) - H90-15 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

See step  58

Result: 

OK 

See step  57

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. 2 Global CAN Junction Connector)

   *b

   to Airbag Sensor Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H90-8 (CANH) - H90-18 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  59

1. Reconnect the H90 No. 2 global CAN junction connector.
2. Disconnect the H59 central gateway ECU (network gateway ECU) 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 Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H59-22 (CA2H) - H59-7 (CA2L)	Cable disconnected from negative (-) 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 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) - NO. 2 GLOBAL CAN JUNCTION CONNECTOR) 

1. Reconnect the H90 No. 2 global CAN junction connector.
2. Disconnect the H58 airbag sensor assembly 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 Airbag Sensor Assembly)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H58-26 (CANH) - H58-27 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

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 (AIRBAG SENSOR ASSEMBLY - NO. 2 GLOBAL CAN JUNCTION CONNECTOR)