C1554
DTC C1521 Motor Circuit MalfunctionDTC 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.
INSPECTION PROCEDURE