Troubleshooting Hints - Lumbar Seats

1. Check condition of CIG LTR fuse. If fuse is open locate and repair source of overload. Replace Fuse.
2. If both driver and passenger lumbar supports are inoperative, check circuit 640 between splice S300 and fuse block and/or ground circuit 150 between splice S303 and G200.
3. If one seat lumbar support is inoperative, check for:
- pinched or punctured bladder tubing
- punctured bladder
- evidence of motor overheating, pinched or broken wires
- replace or repair as necessary