Passenger Heated Seat Switch Stuck In High Status
NOTE:
After making any repairs, perform MEMORY SYSTEMS VERIFICATION TEST
under VERIFICATION TESTS.
- Turn ignition off. Disconnect passenger heated seat switch connector. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Using scan tool, clear DTCs. Turn ignition off, then on. Using scan tool, select BODY MEMORY SEAT MODULE, then retrieve DTCs. If PASSENGER HEATED SEAT SWITCH OPEN/SHORTED TO GROUND DTC is retrieved, replace passenger heated seat switch. If PASSENGER HEATED SEAT SWITCH OPEN/SHORTED TO GROUND DTC is not retrieved, leave passenger heated seat switch connector disconnected, and go to next step.
- Turn ignition off. Disconnect Memory Heated Seat/Mirror Module (MHSMM) connector C1. Turn ignition on. Measure voltage between ground and MHSMM connector C1 terminal No. 5, passenger seat heater switch MUX circuit (Tan/Light Green wire). See Figure . If no voltage exists, replace MHSMM. If any voltage exists, repair short to voltage in Tan/Light Green wire.