C1533

POWER STEERING: POWER STEERING SYSTEM: C1531-C1534: ECU Malfunction

DTC C1531 - ECU Malfunction

DTC C1532 - ECU Malfunction

DTC C1533 - ECU Malfunction

DTC C1534 - ECU Malfunction

DESCRIPTION

If the power steering ECU detects these DTCs, it will shut off the motor relay circuit (built into the power steering ECU) and stop power assist. However, power assist continues if DTC C1533 is output.






INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTC Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC is not output.
NG -- REPLACE POWER STEERING ECU
OK -- CHECK INTERMITTENT PROBLEMS