MDX V6-3471cc 3.5L (2002)
NO - Repair open in the RED/BLK wire.
6. Reconnect all connectors to run the seat motors.
7. Check for voltage between the No.4 terminal of the rear up-down position sensor and body ground.
Is there about 5 V?
YES - Go to step 8.
NO - Repair the open or short in the BRN/WHT wire.
8. Check for voltage pulse between the No.3 terminal of the rear up-down position sensor and body ground when the rear up-down switch moves up
and down.
Does voltage pulse from 0 to about 5 V alternately?
YES - Replace the power seat control unit.
NO - Check for a short in the wire. If the wire is OK, the rear up-down position sensor is faulty; replace the rear up-down motor assembly.
