Open in Bus 3 Main Bus Line [02/2019 - ]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the No. 5 CAN junction connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 5 CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition	Connected to
   G105-2 (CANH) - G105-13 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω	Central gateway ECU (network gateway ECU)
   G105-4 (CANH) - G105-15 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω	Central gateway ECU (network gateway ECU)

   Result

   Result	Proceed to
   OK	A
   NG (Central gateway ECU [network gateway ECU] CAN main wire)	B

Result: 

A 

REPLACE NO. 5 CAN JUNCTION CONNECTOR 

Result: 

B 

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 (to Central Gateway ECU [Network Gateway ECU])

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G72-6 (CA3H) - G72-21 (CA3L)	Cable disconnected from negative (-) auxiliary battery terminal	108 to 132 Ω
   G72-19 (CAYH) - G72-20 (CAYL)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 5 CAN JUNCTION CONNECTOR) 

Result: 

NG 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]