Dome Switch Input Open

DOME SWITCH INPUT OPEN

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Continuously

- Set Condition:
When the input voltage is greater than 4.8 volts for over 10 seconds.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, clear all BCM DTC's.
Turn the Dome Lamps on.
With the scan tool, read the DTC information.
Does the scan tool display: Dome Switch Input Open?

Yes

- Go To2

No

- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

2. PANEL LAMPS DIMMER SIGNAL CIRCUIT OPEN
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Multifunction Switch harness connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit.
Is the resistance below 5.0 ohms?

Yes

- Go To3

No

- Repair the Panel Lamps Dimmer Signal Circuit for an open condition.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

3. BODY CONTROL MODULE
Turn the ignition off.
Disconnect the Body Control Module C2 harness connector.
Measure the voltage of the Panel Lamps Dimmer Signal circuit.
Is the voltage below 4.8 volts?

Yes

- Replace the Body Control Module.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

No

- Replace the Multifunction Switch.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test