Pilot V6-3.5L (2004)
4. Reconnect the driver's multiplex control unit to the driver's under-dash fuse/relay box, and perform the given input tests at the appropriate
connectors on the driver's under-dash fuse/relay box.
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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 driver's multiplex control unit must be faulty; replace it.