B1224

DTC B1224 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR

CIRCUIT DESCRIPTION

DTC Detection Condition:

DTC B1224 notifies how the door lock control switch works. If this DTC is not output when the switch is operated, the switch contact is faulty. If this DTC is output when the switch is not operated, the switch is stuck. When a malfunction is detected in the switch, inspect the switch. Then replace it. If no malfunction is detected in the switch, check the wire harness.

Wiring Diagram:

Step 1 - 2:

INSPECTION PROCEDURE