Power Windows Driver's MPCS Unit Input Test

Power Windows Driver's MPCS Unit Input Test

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 these input tests at the connectors.
- 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 these input tests at the connectors.
- 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