Power Locks

1117-05 DOOR UNLOCK SWITCH SENSE CIRCUIT: SHORT TO GROUND OR OPEN





When Monitored and Set Condition

- When Monitored: Continuous.
- Set Condition: The Sentry Key Remote Entry Module (SKREEM) reports a short to power, ground, or an open circuit failure on the Door Unlock Switch Sense circuit.





For a complete Power Locks Circuit Diagram, Schematics and Diagrams.

Diagnostic Test

1. MEASURE THE RESISTANCE OF THE DOOR UNLOCK SWITCH SENSE CIRCUIT




Turn the ignition off.
Disconnect the BCM harness connector.
Disconnect the SKREEM harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the Door Unlock Switch Sense circuit from the BCM harness connector to the SKREEM harness connector.
Is the resistance below 5.0 ohms?

Yes

- Go to 2

No

- Repair the Door Unlock Switch Sense circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test

2. MEASURE THE VOLTAGE OF THE DOOR UNLOCK SWITCH SENSE CIRCUIT




Turn the ignition on.
Measure the voltage between ground and the Door Unlock Switch Sense circuit at the SKREEM harness connector.
Is there any voltage present?

Yes

- Repair the Door Unlock Switch Sense circuit for a short to voltage.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Go to 3

3. MEASURE THE RESISTANCE OF THE DOOR UNLOCK SWITCH SENSE CIRCUIT




Turn the ignition off.
Measure the resistance between ground and the Door Unlock Switch Sense circuit at the SKREEM harness connector.
Is the resistance below 10K ohms?

Yes

- Repair the Door Unlock Switch Sense circuit for a short to ground.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Replace the Sentry Key Remote Entry Module. Sentry Key Remote Entry Module - Removal.
- Perform BODY VERIFICATION TEST. Body Verification Test