Passenger's Power Seat Control Unit Inputs
Locate passenger's power seat control unit at bottom front of passenger's seat. Disconnect both harness connectors. Inspect connectors and terminals. Check for bent, loose or corroded terminals. Repair as necessary and retest system. If terminals are okay, perform input tests at specified terminals. See Fig 1 -Fig 2 . If all input tests are as specified and problem is still present, replace passenger's power seat control unit.