Master Switch Input Test

NOTE: The control unit is built into the power window master switch, and only controls driver's door window operations.

1. Remove the driver's door panel, and disconnect the 12P connector from the master switch.







2. Inspect the connector and socket terminals to be sure they are all making good contact
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, make the input tests shown in the table at the connector.
- If a test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the power window master switch must be faulty; replace it.