Power Steering ECU Communication Stop Mode

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 SUB BUS LINE)
(a) Turn the ignition switch off.





(b) Disconnect the power steering ECU connector (P41).
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE POWER STEERING ECU BRANCH WIRE OR CONNECTOR (CAN-H, CAN-L)
OK -- Continue to next step.
2. CHECK WIRE HARNESS (IG, PGND)





(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






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