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Diagnostic Manual, Body and Accessories,
1.3 Headlamp Range Adjustment (HRA)
> 13 Diagnosis - Complaint Related Diagnostic Chart
Diagnosis - Complaint Related Diagnostic Chart
Headlamp range adjustment does not function.
Model 129 without ADS and model 140
Rear axle sensor (A51) (headlamp range adjustment)
Front axle sensor (A52) (headlamp range adjustment)
Model 129 with ADS
Front axle level sensor (B22/2)
Rear axle level sensor (B22/3)
Headlamp range adjustment motor (E1m1)
Headlamp range adjustment motor (E2m1)
Headlamp range adjustment control module (N71)
Test with HHT
Headlamprange adjustment can not be tested using the HHT:
- No communication between HHT and headlamp range adjustment control module (N71).
1) Observe Preparation for Test, see
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