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AHL / B3410 02

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display. Headlamp beam adjustment not working.

  B3410 02


Front Axle Sensor Circuit, Short to Ground

Fault symptom

Message appears in display.

Headlamp beam adjustment not working.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Xenon lights on.

Fault criteria:

Control module input short-circuit to ground for more than 0.16 s.

System reaction to a fault:

Headlamp beam adjustment is switched off.
Headlamp reflectors adjusted to a lower position.

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

Before fault diagnosis begins, read the document "Safety and handling directions, xenon lights" under Technical description.