Operation CHARM: Car repair manuals for everyone.

Left Heated Seat Inoperative






*LEFT HEATED SEAT INOPERATIVE









Diagnostic Test

1. TEST THE LEFT HEATED SEAT





Turn the ignition off.

Disconnect the Heated Seat Module harness connector.

NOTE: Check connector - Clean/repair as necessary.

Connect a fused jumper wire from B(+) to cavity 3 (LHD) of the Heated Seat Module harness connector.

With the jumper wire connected, does the Left Heated Seat warm up?

Yes

- Replace the Heated Seat Module.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Go to 2

2. MEASURE LEFT HEATED SEAT OUTPUT CIRCUIT RESISTANCE





Disconnect the Left Heated Seat Back/Heated Seat Cushion harness connector.

NOTE: Check connector - Clean/repair as necessary.

Measure the resistance of the Left Heated Seat Output circuit from the Heated Seat Module harness connector to the Left Heated Seat Back/Heated Seat Cushion harness connector.

Is the resistance below 5.0 ohms?

Yes

- Go to 3

No

- Repair the Left Heated Seat Output circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test

3. MEASURE LEFT HEATED SEAT GROUND CIRCUIT RESISTANCE





Measure the resistance between ground and the Left Heated Seat Ground circuit.

Is the resistance below 5.0 ohms?

Yes

- Replace the Left Heated Seat Back/Heated Seat Cushion Element.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Repair the Left Heated Seat Ground circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test