MDX V6-3471cc 3.5L (2002)
5. Check for continuity between the No.3 terminal of the recline position sensor and C5 terminal of the power seat control unit.
Is there continuity?
YES - Go to step 6.
NO - Repair open in the YEL/BLK wire.
6. Reconnect all connectors to run the seat motors.
7. Check for voltage between the No.4 terminal of the recline position sensor and body ground.
Is there about 5 V?
YES - Go to step 8.
NO - Repair open or short in the BRN/WHT wire.
8. Check for voltage pulse between the No.3 terminal of the recline position sensor and body ground when the recline switch moves forward or
backward.
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 recline position sensor is faulty; replace the recline motor assembly.
Front Up-Down Position Sensor:
1. Raise the driver's power seat up with the power seat up-down switch, then remove the power seat.