MDX V6-3471cc 3.5L (2002)
5. Reconnect the driver's multiplex control unit to the driver's under-dash fuse/relay box, and perform the following input tests at the appropriate
connectors on the driver's under-dash fuse/relay box. For driver's under-dash fuse/relay box connector socket location.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, go to step 6.
Door Multiplex Control Unit:
6. Remove the driver's door panel, and disconnect connector A (20P) from the door multiplex control unit.
7. Inspect the connector and socket terminals to be sure they are all making good contact.
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If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
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If the terminals look OK, go to step 8.
8. Reconnect the connector to the door multiplex control unit, and make these input tests.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, the control unit must be faulty; replace it.
