Rear Riser Down Position Stuck
- Disconnect power seat switch harness connector. Turn ignition on. Measure voltage at terminal No. 7 (Red/White wire) at power seat switch harness connector. See Figure . If any voltage exists, go to next step. If no voltage exists, replace power seat switch.
- Disconnect Memory Heated Seat/Mirror Module (MHSMM) harness connector C1. Measure voltage at terminal No. 9 (Red/White wire) at MHSMM harness connector C1. See Figure . If no voltage exists, replace MHSMM. If any voltage exists, repair short to voltage in Red/White wire between power seat switch and MHSMM.