C1533

POWER STEERING: POWER STEERING SYSTEM: C1531, C1533, C1534: ECU Malfunction


DESCRIPTION

If the power steering ECU assembly detects these DTCs, it will shut off the motor relay circuit (built into the power steering ECU assembly) and stop power assistance. However, power assistance will continue if DTC C1533 or C1534 is output.





INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC

(a) Check for DTCs Power Steering System.

OK:

DTCs other than C1531, C1533 and C1534 are not output.

NOTICE:
If replacing the power steering ECU assembly, initialize the rotation angle sensor and calibrate the torque sensor zero point Power Steering System.

NG -- REPAIR CIRCUIT INDICATED BY OUTPUT CODE

OK -- REPLACE POWER STEERING ECU ASSEMBLY