Component Tests and General Diagnostics

Moonroof Control Unit Input Test

NOTE:

- If the moonroof works OK manually, but will not work in AUTO, or reverses frequently (obstacle detection), reset the moonroof Testing and Inspection before proceeding with the input test.
- SRS components are located in this area. Review the SRS component locations Locations, and precautions and procedures Service and Repair before doing repairs or servicing.

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

2. Remove the headliner Service and Repair.

3. Disconnect the 14P connector (A) from the moonroof control unit/motor (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. With the moonroof control unit/motor 14P connector still disconnected, do the following input tests:

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If the input test proves OK, go to step 6.





6. Reconnect the connector to the control unit, 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 7.





7. If all the input tests are OK and multiple failures are found, replace the moonroof control unit/motor assembly Service and Repair. If the problem is related to the key-off operation, go to the driver's MICU input test, and power window master switch input test Power Window Master Switch Input Test.