B1222

DTC B1222 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR

CIRCUIT DESCRIPTION

DTC Detection Condition:

DTC B1222 notifies how the door lock control switch and door key lock and unlock switch work. If this DTC is not output when one of the switches is operated, The switch contact is faulty. If this DTC is output when neither switch is operated, one of the switches is stuck. When a malfunction is detected in these switches, inspect each switch. Then, replace the malfunctioning switch. If no malfunction is detected in switches, check the wire harness.

Wiring Diagram:

Wiring Diagram:

Step 1:

Step 2:

Step 3:

Step 4:

INSPECTION PROCEDURE