B1001 42 - 01

B1001 42

Control Module, Not Calibrated







Fault symptom
- Messages shown in SID.
- Headlamp beam adjustment not working.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Diagnostics run when ignition is ON.

Fault criteria:
- Control module is not calibrated.

System reaction to a fault:
- Stepping motors switched off in calibration mode.
- Headlamp beam adjustment is switched off.

Diagnostic help

IMPORTANT:
- See "Safety and handling directions, xenon headlamps".
- See "After fitting a control module" under fault diagnosis, general.
- Refer to document, "Calibration of AHL control modules".