Power Window Master Switch Input Test

Power Window Master Switch Input Test

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

1. Remove the master switch (A). Power Window Master Switch Test/Replacement

2. Disconnect the 22P connector (B) from the master switch.

3. 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, go to step 4.

4. With the master switch still disconnected, do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 5.





5. Reconnect the 22P connector to the power window master switch. Turn the ignition switch to ON (II), and do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, the control unit must be faulty; replace the power window master switch.









6. Reset the power window control unit. Testing and Inspection