UEC / B2525 04

Read the instructions below then start the fault diagnostic procedure.

Symptom: Front fog lights, malfunction. Message appears in display.

B2525 04

Fault symptom

Front fog lights, malfunction.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Front fog lights on.

Fault criteria:

Current consumption is below 1.0 A.

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:

Front Fog Lamp Relay

Activation:

(See also description of readings/activations in diagnostic tool)