Power Steering ECU Communication Stop Mode

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Power Steering ECU Communication Stop Mode

Power Steering ECU Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN BUS LINE FOR DISCONNECTION (POWER STEERING ECU BRANCH WIRE)




(a) Disconnect the P8 power steering ECU connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:






NG -- REPLACE POWER STEERING ECU BRANCH WIRE AND CONNECTOR (CANH, CANL)
OK -- Continue to next step.

2. CHECK WIRE HARNESS (POWER STEERING ECU - BATTERY AND BODY GROUND)




(a) Disconnect the P7 power steering ECU connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:





(c) Measure the voltage of the wire harness side connector.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE POWER STEERING ECU