B161B

B161B-COURTESY/DOME LAMP CONTROL CIRCUIT LOW






For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:
- When the Courtesy/Dome Lamps are activated.
- Set Condition:
- When the CCN detects a low condition on the Courtesy/Dome Lamp Control circuit.






Diagnostic Test

1. INTERMITTENT CONDITION

Turn the ignition on.

With the Scan Tool, clear all CCN DTC's.

Turn the Dome Lamps on.

With the Scan Tool, read the DTC information.

Does the Scan Tool read: B161B-COURTESY/DOME LAMP CONTROL CIRCUIT LOW?

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 the BODY VERIFICATION TEST - VER 1. Body Verification Test
-

2. INSTRUMENT CLUSTER/OUTPUT CIRCUIT SHORT TO GROUND





Turn the ignition on.

Disconnect the Dome/Courtesy Lamp harness connectors.

Disconnect the Instrument Cluster C1 connector.

Measure the resistance of the (M20) Courtesy Lamp Output circuit to ground.

Is the resistance below 5.0 ohms?

Yes

- Repair short to ground on the (M20) Courtesy lamp Output circuit.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Instrument Cluster.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
-