Seat Lumbar Pump Only Inoperative

Fault: Seat lumbar pump only inoperative
Possible causes:
1. No power supply to SCM.
2. Harness wiring or connector fault.
3. Motor faulty.
4. Switch faulty.
5. Mechanical mechanism fault.

Remedy: 1. Check fuses in heelboard fuse boxes.
2. Examine wiring and connectors between SCM - switch pack and SCM - motors.
3. Renew motor.
4. Renew switch.
5. Identify and repair mechanical faults.