1494-02

1494-02 SPOILER SWITCH LED CIRCUIT SHORT TO GROUND OR OPEN





- When Monitored: Continuous with the ignition on.
- Set Condition: When the Body Control Module (BCM) senses a circuit failure.





For a complete Body Control Module Circuit Diagram, Schematics and Diagrams.

1. DISCONNECT THE REAR SPOILER SWITCH




Turn the ignition off.
Disconnect the Rear Spoiler Switch harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the Rear Spoiler Diagnostic LED Control circuit at the Rear Spoiler Switch harness connector.
Is the resistance below 5.0 ohms?

No

- Replace the Rear Spoiler Switch.
- Perform REAR SPOILER VERIFICATION TEST. Rear Spoiler Verification Test

Yes

- Go to 2

2. MEASURE THE VOLTAGE OF THE LED CONTROL CIRCUIT




Turn the ignition off.
Disconnect the BCM harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.
Measure the resistance of the Rear Spoiler Diagnostic LED Control circuit at the Rear Spoiler Switch harness connector.
Is the resistance below 5.0 ohms?

Yes

- Repair the Rear Spoiler Diagnostic LED Control circuit for a short to ground.
- Perform REAR SPOILER VERIFICATION TEST. Rear Spoiler Verification Test

No

- Go to 3

3. MEASURE THE VOLTAGE OF THE LED CONTROL CIRCUIT




With the ignition off.
Disconnect the BCM harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.
Measure the resistance of the Rear Spoiler Diagnostic LED Control circuit from the Rear Spoiler Switch harness connector to the BCM C4 harness connector.
Is the resistance below 5.0 ohms?

No

- Repair the Rear Spoiler Diagnostic LED Control circuit for an open.
- Perform REAR SPOILER VERIFICATION TEST. Rear Spoiler Verification Test

Yes

- Replace the Body Control Module. Body Control Module - Removal.
- Perform BODY VERIFICATION TEST. Body Verification Test