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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO Location of componentsComponents DescriptionA device allows the headlamp beam to be adjusted, directly from the driver's seat, in accordance with the load. The headlamps are thus always aligned quickly and correctly. The adjustment device consists of a motor mounted on each of the two headlamps which tilts them as appropriate, lowering the light beam if the car is heavily laden, and raising it if the load decreases. A specific knob in the dashboard selects the four positions indicated:position 0 - up to three persons in the front seats;position 1 - six persons;position 2 - six persons with luggage in the boot;position 3 - driver and maximum load, all stowed in the boot.
The device is only enabled when the dipped headlamps are switched on.The headlamp adjustment circuit is protected by the same fuses as the dipped beam headlamps circuit, located in the junction unit.
Functional description The headlamp alignment device H15 is supplied at pin 2 - with the dipped headlamps on - by a line coming from the steering column switch unit H5: in involves a supply controlled by the ignition (INT/A) for the line protected by the fuse F5 for the junction unit B1. The supply is maintained even when the main beam headlamps are switched on, through the special relay J45 ( See E2011
DIPPED HEADLAMPS ). Pin 4 of device H15 is earthed, whilst pin 1 sends the signal to adjust the motors N30 (left) and N31 (right), through a resistance divider which alters the output voltage according to which of the four positions has been selected. Motors N30 and N31 contain a transducer that establishes actual motor travel on the basis of the voltage of an adjustment signal received by pin 2 from device H15 whilst pin 1 is earthed. Motors N30 and N31 are supplied, at pin 3, by the same line for the circuit for the dipped headlamps and the line protected by the fuse F3 for the junction unit B1 ( See E2011
DIPPED HEADLAMPS ). The device therefore only works when the dipped headlamps are switched on.
Left front earth
C010A
C010B
C010C
C010C
C010D
C010D
C010A
C010A
C010A
C010A
C010A
C010A
C010A
C010A
Front earth right
C011
C011
C011
C011
C011
C011
C011
C011
C011
C011
Facia earth, driver's side
C015A
C015A
C015B
C015B
C015
C015A
C015A
C015B
C015B
C015
Passenger side dashboard earth
C020
C020
C020
C020
C020
Front/facia junction
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001B
D001B
D001B
D001B
D001B
D001B
D001B
D001B
D001B
D001B
D001B
D001C
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001A
D001C
D001C
D001C
D001C
D001C
D001C
D001C
D001C
D001A
D001C
D001C
Ignition switch
H001A
H001A
H001A
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
Ignition switch
H001A
H001A
H001A
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
Ignition switch
H001A
H001A
H001A
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
H001B
Dipped beam maintenance relay
J045
J045
J045
J045
J045
Dipped beam maintenance relay
J045
J045
J045
J045
J045
Dipped beam maintenance relay
J045
J045
J045
J045
J045