Door Multiplex Control Unit Input Test
Door Multiplex Control Unit Input Test1. Remove the driver's door switch panel.
2. Disconnect the 23P connector from the power window 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. Reconnect the connector to the power window master switch, and make these input tests at the 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. Disconnect the 23P connector from the power window master switch, and make these input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the door multiplex control unit must be faulty, replace the power window master switch.