Driving Position Memory System (Door Multiplex Control Unit) Input Test

Driving Position Memory System (Door Multiplex Control Unit) Input Test

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

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

2. Remove the power window master switch Power Window Master Switch Replacement.

NOTE: Be careful not to scratch the door trim.

3. Disconnect the 37P connector (A) from the power window master switch (B).





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. Reconnect the connector to the power window master switch, 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, go to step 6.





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

7. Disconnect the connector from the power window master switch, 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 door multiplex control unit must be faulty; replace the power window master switch Power Window Master Switch Replacement.

NOTE: After replacing the power window master switch, reset the power window control unit Testing and Inspection.