C1533

POWER STEERING: POWER STEERING SYSTEM: C1531/31: EPS ECU Circuit Malfunction

DTC C1531/31 - EPS ECU Circuit Malfunction

DTC C1532/32 - EPS ECU Circuit Malfunction

DTC C1533/33 - EPS ECU Circuit Malfunction

DTC C1534/34 - EPS ECU Circuit Malfunction

DTC C1535/35 - Steering Wheel Location Data Error

DESCRIPTION

The fail-safe function operates to stop power assist when DTCs indicating ECU malfunctions are output. However, the power assist operation continues when DTC C1534/34 is output because it indicates an EEPROM error in the ECU.






INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC
(a) Check for DTCs.
OK:
DTCs other than C1531/31, C1532/32, C1533/33, C1534/34 and C1535/35 are not output.
NG -- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
OK -- REPLACE POWER STEERING ECU