Component Tests and General Diagnostics

Moonroof Control Unit Input Test

NOTE:
* Before testing, make sure the No. B5 (10 A) fuse in the under-dash fuse/relay box is OK.
* If the moonroof works OK manually, but will not work in AUTO, or reverses frequently (obstacle detection), reset the moonroof before proceeding Testing and Inspection with the input test.

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

2. Disconnect the moonroof control unit/motor 14P connector Service and Repair.




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 are OK, go to step 4.

4. 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 5.





5. Reconnect the connector to the moonroof control unit/motor, 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, replace the moonroof control unit/motor Service and Repair.

NOTE: After replacing the moonroof control unit/motor, do the moonroof control unit resetting procedure Testing and Inspection.