Power Mirrors (Front Passengers Power Window Switch) Input Test

Power Mirrors (Front Passenger's Power Window Switch) Input Test

NOTE: Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

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

2. Open and close the driver's door, then remove the front passenger's power window switch Front Passenger's Power Window Switch Replacement.

3. Disconnect the 37P connector (A) from the front passenger's power window 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 6.

5. With the connector 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 connector to the front passenger's power window 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 control unit is faulty; replace the front passenger's power window switch Front Passenger's Power Window Switch Replacement.

NOTE:

- After replacing the front passenger's power window switch, reset the power window control unit Testing and Inspection.
- When testing for defogger function, holding a cup of hot water near the mirror glass will form steam that can assist in diagnosing a broken or under-performing defogger.