B3870 06

B3870 06

Extra Lights Relay Circuit, Open/Short to Ground

Fault symptom
- Auxiliary lamp not working/lit continually.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.

Fault criteria:
- Voltage on the control module output is below 6 V.

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:
- Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Activation:
- Extra Lights Relay