B1627

B1627-CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND





For a complete wiring diagram refer to Diagrams/Electrical.





Diagnostic Test

1.INTERMITTENT CONDITION

turn the ignition on.

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

Turn the Cargo Lamps on.

With the Scan Tool, read the DTC information.

Does the Scan Tool read: B1627-CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND?

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 the BODY VERIFICATION TEST - VER 1. Body Verification Test

2.HEADLAMP SWITCH

Disconnect the Headlamp Switch connector.

Turn the ignition on.

Using the Scan Tool, read DTC's.

Does the Scan Tool display Headlamp Switch 5.0 volts?

Yes

- Go To 3

No

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

3.INSTRUMENT CLUSTER





Turn the ignition off.

Disconnect the Headlamp Switch connector.

Disconnect the Instrument Cluster C3 connector.

Measure the resistance of the of the (M22) Cargo Lamp Output circuit to ground.

Is the resistance below 5.0 ohms?

Yes

- Repair the Cargo 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