Pinpoint Test I: the Power Lumbar Is Inoperative - Passenger

Seats

Special Tools:

Pinpoint Tests

Pinpoint Test I: The Power Lumbar is Inoperative - Passenger

Refer to Wiring Diagrams Set 120, Power Seats for schematic and connector information.

Normal Operation

The seat control switch contains the lumbar button and when pressed, supplies battery voltage and ground to the power lumbar motor on circuits CPS18 (BN/GN) and CPS19 (GY/VT) to move the lumbar assembly in the desired direction.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Seat control switch
- Power lumbar motor assembly



PINPOINT TEST I: THE POWER LUMBAR IS INOPERATIVE - PASSENGER

NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (RCM) fuse is removed and the ignition is ON.

NOTE: The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.

I1-I3:

I3 (Continued):