Open In Bus 5 Main Bus Line [09/2015 - ]: Procedure

1. Disconnect the central gateway ECU connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E137-15 (CA5H) - E137-16 (CA5L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   TEXT IN ILLUSTRATION
   
   

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

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU 

Refer to REMOVAL [09/2015 - ] )

Result: 

NG 

See step  2

1. Reconnect the E137 central gateway ECU connector.

Result: 

NEXT 

See step  3

1. Disconnect the No. 1 CAN junction terminal connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K57-3 (CANH) - K57-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to No. 1 CAN Junction Terminal)

Result: 

OK 

REPLACE NO. 1 CAN JUNCTION TERMINAL 

Result: 

NG 

See step  4

1. Reconnect the K57 No. 1 CAN junction terminal connector.

Result: 

NEXT 

See step  5

1. Disconnect the No. 3 CAN junction connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to No. 3 CAN Junction Connector)	*b	to No. 4 CAN Junction Connector
   *c	to Central Gateway ECU	-	-

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition	Connect to
   E159-3 (CANH) - E159-13 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω	No. 4 CAN junction connector
   E159-5 (CANH) - E159-15 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω	Central gateway ECU

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (Central gateway ECU CAN main wire)	B
   NG (No. 4 CAN junction connector CAN main wire)	C

Result: 

A 

REPLACE NO. 3 CAN JUNCTION CONNECTOR 

Result: 

B 

REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 3 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU) 

Result: 

C 

See step  6

1. Reconnect the E159 No. 3 CAN junction connector.

Result: 

NEXT 

See step  7

1. Disconnect the No. 4 CAN junction connectors.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *1	No. 4 CAN Junction Connector	-	-
   *a	Rear view of wire harness connector (to No. 4 CAN Junction Connector)	-	-

   Code	Color (CANH Side)	Color (CANL Side)	Connect to
   K62	W	B	No. 3 CAN Junction Connector
   K63	SB	B	No. 1 CAN Junction Terminal

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K62-1 (CANH) - K62-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω
   K63-1 (CANH) - K63-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (No. 3 CAN junction connector CAN main wire)	B
   NG (No. 1 CAN junction terminal CAN main wire)	C

Result: 

A 

REPLACE NO. 4 CAN JUNCTION CONNECTOR 

Result: 

B 

REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 CAN JUNCTION CONNECTOR - NO. 3 CAN JUNCTION CONNECTOR) 

Result: 

C 

REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 CAN JUNCTION CONNECTOR - NO. 1 CAN JUNCTION TERMINAL)