Troubleshooting Hints - Lumbar Seats / Except STE

1. Check the CTSY Fuse by noting visual inspection.
2. Check PWR ACC Circuit Breaker by operating the Power Door Locks.
3. Check that connectors to the RH and LH Seat Solenoid Valve Assemblies are mated correctly.
4. If the CTSY Fuse blows when a particular function is selected, check for a shorted diode in the associated Seat Solenoid Valve Assembly.
5. Before replacing the Seat Solenoid Valve Assembly, Seat Air Pump Assembly or Seat Control Module, inspect the Lumbar Support Seat Air Hose Harness for leaks, kinks or restrictions.