Dtc C1554/23 Power Supply Relay Failure

Steering. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Power Steering. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

INSPECTION PROCEDURE

RECONFIRM DTC

DTC C1554/23 Power Supply Relay Failure


DESCRIPTION

If the power steering ECU detects these DTCs, it shuts off the motor relay circuit (built into the power steering ECU) and stops power assist.

DTC No.
DTC Detection Condition
Trouble Area
C1554/23
Power source relay circuit malfunction
Power steering ECU

INSPECTION PROCEDURE

1.RECONFIRM DTC
  1. Check for DTC.

    OK:
    DTC is not output.


OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG

REPLACE POWER STEERING ECU