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LOCATION:    1.3 Headlamp Range Adjustment (HRA)   >   11 Diagnosis - Function Test

Diagnosis - Function Test

Test step/Test scope Test condition Nominal value Possible cause/Remedy 1)
1.0 Function test Low beam: ON
Verify the light-dark border with the help of a headlamp adjustment tester
Load or unload right front or right rear of vehicle as necessary.
With a time delay, the light-dark border must shift to the previously set parameter.
Test with HHT,
23 Test
1) Observe Preparation for Test, see 22.

Conventional tools, test equipment

Description Brand, model, etc.
Headlamp adjustment tester 1) Bosch
1) Available through the MBUSA Standard Equipment Program.