Honda Accord: Moonroof Control Unit input Test - Moonroof - Body Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: 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 (see page 22-371) before proceeding with the input test 1. Turn the ignition switch to LOCK (0).

2. Remove the headliner (see page 20-140).

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


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 connector still disconnected/do these input tests at the following connector.

• If any test indicates a problem, find and correct the cause, then recheck the system.

• If all the input tests prove O K , go to step 6.

6. Reconnect the connector to the control unit and do these input tests at


6. Reconnect the connector to the control unit and do these input tests at the following 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 7.

7. If all the input tests are OK and multiple failures are found, replace the


7. If all the input tests are OK and multiple failures are found, replace the moonroof control unit/motor assembly (see page 20-96). If the problem is related to the key-off operation, go to the driver's MICU input test (see page 22-176), and passenger's MICU input test (see page 22-180).

    Circuit Diagram
    ...

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