Reading Lamp Output Short

READING LAMP OUTPUT SHORT

For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams

- When Monitored:
When output is ON.

- Set Condition:
When output is ON and device current limits.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all BCM DTC's.
3. Turn the Reading Lamps on.
4. With the scan tool, read the DTC information.

Does the scan tool display: Reading Lamp Output Short?

Yes

- Go To 2

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. Body Verification Test

2. READING LAMPS DRIVER CIRCUIT SHORT
1. Turn the ignition off.
2. Disconnect the BCM C3 harness connector.
3. Turn the reading lamps on.
4. Measure the resistance of the Reading Lamps circuit.

Is the resistance below 5.0 ohms?

Yes

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

No

- Repair the Reading Lamps Driver Circuit for a short condition.
- Perform BODY VERIFICATION TEST. Body Verification Test