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LOCATION:    1.3 Headlamp Range Adjustment (HRA)   >   23 Electrical Test Program - Test


Electrical Test Program - Test

Test scope Test connection Test condition Nominal value Possible cause/Remedy
1.0 Headlamp range adjustment
control module (N71)
Voltage supply

18
N71

16
Disconnect connector from N71.
Ignition: ON
11 - 14 V
Model 129
Fuse F1-10 in fuse and
relay box (F1).

Model 140
Fuse F4-4 in fuse box in
trunk (F4).

Wiring,
1.1
1.1 Activation voltage from illumination control
module (N7-1)

18
N71

10
Disconnect connector from N71.
Low beam: ON
11 - 14 V Model 129
Fuse F1-6 in fuse and
relay box (F1).

Model 140
Fuse F3-7 in fuse box (35-Fuse) (F3) in fuse and relay box (F1).

Wiring,
1.2
1.2 Check diagnostic line for interruption, open circuit or high resistance. N71
9

X11/4
35
Disconnect connector from N71.
< 5
Wiring.