Inspection Procedure

1. Turn the ignition switch to the LOCK position.
2. Disconnect all wire harness connectors (J5, J6, J8, J9) from the junction connector.
   Fig 1: Disconnecting Wire Harness Connectors (J5, J6, J8, J9) From Junction Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in DLC3 SUB BUS LINE CONNECTOR RESISTANCE SPECIFICATION TABLE  .

Standard: 

Fig 2: Identifying CANH & CANL Connectors

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1. NG: REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 
2. OK: Go to Next Step. 

1. Reconnect all wire harness connectors (J5, J6, J8, J9) to the junction connector.

Fig 3: Reconnecting Wire Harness Connectors (J5, J6, J8, J9) To Junction Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the connector (S1) from the skid control ECU.
2. Measure the resistance according to the value(s) in SKID CONTROL ECU CONNECTOR RESISTANCE SPECIFICATION TABLE  .

Standard: 

Fig 4: Checking CAN Bus Lines For Short (Skid Control ECU)

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1. OK: REPLACE SKID CONTROL ECU WITH ACTUATOR (SEE  REPLACEMENT  ) 
2. NG: Go to Next Step. 

1. Reconnect the connector (S1) to the skid control ECU.
2. Disconnect the connector (S9) from the steering sensor.
3. Measure the resistance according to the value(s) in STEERING SENSOR CONNECTOR RESISTANCE SPECIFICATION TABLE  .

Fig 5: Checking CAN Bus Lines For Short (Steering Sensor)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard: 

1. OK: REPLACE STEERING SENSOR (SEE  REPLACEMENT  ) 
2. NG: Go to Next Step. 

1. Reconnect the connector (S9) to the steering sensor.
2. Disconnect the connector (Y1) from the yaw rate sensor.
3. Measure the resistance according to the value(s) in YAW RATE SENSOR CONNECTOR RESISTANCE SPECIFICATION TABLE  .

Standard: 

Fig 6: Checking CAN Bus Lines For Short (Yaw Rate Sensor)

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1. OK: REPLACE YAW RATE SENSOR (SEE  REPLACEMENT  ) 
2. NG: Go to Next Step. 

1. Reconnect the connector (Y1) to the yaw rate sensor.
2. Disconnect all wire harness connectors (J5, J6, J8, J9) from the junction connector.
   Fig 7: Disconnecting Wire Harness Connectors (J5, J6, J8, J9) From Junction Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the connector (S1) from the skid control ECU.
4. Measure the resistance according to the value(s) in TERMINAL RESISTANCE SPECIFICATION TABLE  .

Standard: 

Fig 8: Identifying Skid Control ECU Connectors

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1. NG: REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (CAN-H, CAN-L) 
2. OK: Go to Next Step. 

1. Disconnect the connector (S9) from the steering sensor.
2. Measure the resistance according to the value(s) in STEERING SENSOR SUB BUS LINE RESISTANCE SPECIFICATION TABLE  .

Standard: 

HINT:

Check all wire harness connectors connected to the junction connector while disconnecting them.

Fig 9: Disconnecting Connector (S9) From Steering Sensor

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE STEERING SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 
2. OK: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)