C1521

DTC C1521 Motor Circuit Malfunction

DTC C1522 Motor Circuit Malfunction

DTC C1531 ECU Malfunction

DTC C1532 ECU Malfunction

DTC C1533 ECU Malfunction

DTC C1534 ECU Malfunction

DTC C1554 Power Supply Relay Failure

DTC C1555 Motor Relay Welding Failure

DESCRIPTION
If the power steering ECU assembly detects these DTCs, it will shut off the motor current sensor, power source relay, 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.

DTC Detection Condition:

INSPECTION PROCEDURE

Step 1:

Step 1 (continued):