B1221

DTC B1221 Power Window Switch Circuit On Driver Door

DESCRIPTION
This DTC is output when any of the switches on the power window regulator master switch assembly is operated.

HINT:
- If this DTC is output when a switch is not operated, one of the switches may be stuck.
- If this DTC is not output when a switch is operated, the switch's contact is defective.

DTC Detection Condition:

WIRING DIAGRAM

Wiring Diagram:

INSPECTION PROCEDURE

Step 1 - 2:

Step 2(Continued):