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LOCATION:    1.4 Headlamp Range Adjustment (HRA)   >   24 Electrical Test Program - Test for Models 208, 2102


Electrical Test Program - Test for Models 208, 210

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

3
N71

14
Disconnect connector from N71.
Ignition: ON
11 - 14 V
Model 208:
Fuse 13 in fuse and relay
box (F1).

Model 210:
Fuse 13 in fuse and relay
box (F1).
2.0 Activation voltage from illumination control
module (N7-1)

3
N71

7
Disconnect connector from N71.
Parking lamps: ON
5.6 - 9.8 V Wiring,
Illumination control module (N7-1),

3.0 Rear axle headlamp range adjustment sensor (A51) voltage supply

1
A51


5
Disconnect connector from rear axle headlamp range adjustment sensor.(A51).
Ignition: ON
4.9 - 5.1 V

< 5
Wiring.
Illumination control module (N7-1),
4.0
Front axle headlamp range adjustment sensor (A52) voltage supply


1
A52

5
Disconnect connector from rear axle headlamp range adjustment sensor.(A52).
Ignition: ON
4.9 - 5.1 V Wiring.
Illumination control module (N7-1),
4.1
4.1 Signal voltage

1
A52

4
Front axle headlamp range adjustment sensor.(A52) connected.
Ignition: ON
0.2 - 4.9 V Front axle headlamp range adjustment sensor.(A52)

5.0 Headlamp range adjustment motor (E1m1).
Voltage supply

1
E1m1

3
Disconnect connector from.headlamp range adjustment motor (E1m1).
Ignition: ON
4.9 - 5.1 V Wiring,
Illumination control module (N7-1),
5.1
5.1 Signal voltage sensor

1
E1m1


2
Headlamp range adjustment.motor (E1m1) connected.
Ignition: ON
0.2 - 4.9 V

< 5
.Headlamp range adjustment.motor (E1m1)
5.2
5.2 Voltage supply motor.

4
E1m1

5
Disconnect connector from.headlamp range adjustment motor (E1m1).

Activate headlamp range adjustment motor (E1m1).
Ignition: ON
6 - 14 V Wiring,
Illumination control module (N7-1),
6.0 Headlamp range adjustment motor (E2m1).
Voltage supply

1
E2m1

3
Disconnect connector from.headlamp range adjustment motor (E2m1).
Ignition: ON
4.9 - 5.1 V Wiring,
Illumination control module (N7-1),
6.1
6.1 Signal voltage sensor

1
E2m1


2
Headlamp range adjustment.motor (E2m1) connected.
Ignition: ON
0.2 - 4.9 V

< 5
.Headlamp range adjustment.motor (E1m1)
6.2
6.2 Voltage supply motor.

4
E2m1

5
Disconnect connector from.headlamp range adjustment motor (E2m1).

Activate headlamp range adjustment motor (E2m1).
Ignition: ON
6 - 14 V Wiring,
Illumination control module (N7-1),