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UEC / B3810 06

Read the instructions below then start the fault diagnostic procedure.

Symptom: Headlamp washer not working/headlamp washer activated continually.

  B3810 06


Head Lamp Washer Relay Circuit, Open/Short to Ground

Fault symptom

Headlamp washer not working/headlamp washer activated continually.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Voltage on the control module output is below 6 V.

System reaction to a fault:

None

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:
Head Lamp Washer Relay