Check Bus 4 Line [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
   H143-24 (CA2H) - H143-23 (CA2L)	Cable disconnected from negative (-) 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
   H143-24 (CA2H) - H143-23 (CA2L)	Cable disconnected from negative (-) 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
   H143-24 (CA2H) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H143-23 (CA2L) - 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
   H143-24 (CA2H) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H143-23 (CA2L) - 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 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

   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. 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

   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. 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

   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. 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

   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. 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 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. 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

   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. 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE BRAKE ACTUATOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR 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

   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. 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

   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. 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

   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. 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

   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. 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 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. 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

   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. 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE BRAKE ACTUATOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR 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

   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. 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	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. 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

   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. 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

   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. 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	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 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. 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

   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. 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS 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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE BRAKE ACTUATOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

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

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIRBAG SENSOR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 2 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-24 (CA2H) - H143-23 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Central Gateway ECU (Network Gateway ECU))

   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 H90 No. 2 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. 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

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 2 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. 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	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 2 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  38

1. Reconnect the H90 No. 2 global CAN junction connector.
2. Disconnect the C67 rack and pinion power steering gear assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C67-10 (CANH) - C67-11 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Rack and Pinion Power Steering Gear Assembly)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (RACK AND PINION POWER STEERING GEAR ASSEMBLY - NO. 2 GLOBAL CAN JUNCTION CONNECTOR)