Multiplex Control System

Multiplex Control Unit (Door):
1. Remove the driver's door panel, and disconnect the 2OP connector from the door unit.

Power And Ground Test:

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 following input tests 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 control unit (power window master switch) must be faulty; replace it.

Multiplex Control Unit (Passenger's):
1. Remove the right kick panel.
2. Disconnect the 14P and 20P connectors, then remove the passenger's unit.

Multiplex Control Unit (Passenger's):

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, make the following input tests 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 control unit must be faulty; replace it.

Multiplex Control Unit (Driver's):
1. Remove the under-dash fuse/relay box.
2. Remove the driver's unit from the under-dash fuse/relay box.

Multiplex Control Unit (Driver's):

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, make the following input tests at the connector and the fuse/relay box socket.
- 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 it.