Power Windows (Drivers MPCS Unit) Input Test/Replacement

Power Windows (Driver's MPCS Unit) Input Test/Replacement

1. Turn the ignition switch to LOCK (0).

2. Remove the driver's door panel Front Door Panel Removal/Installation.

3. Disconnect driver's MPCS unit (A) connectors A (40P) and B (14P).





4. 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 5.

5. With the connectors still disconnected, do the following input tests.

- 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 6.





6. Reconnect the connectors to the driver's MPCS unit, and do the following input tests.

- 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 driver's MPCS unit and go to step 7.





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