Fiat DOBLO 1.9 JTD 8V Da 10/2000 – MAIN BEAM HEADLAMPS – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

MAIN BEAM HEADLAMPS - WIRING DIAGRAM Fiat DOBLO 1.9 JTD 8V Da 10/2000

COMPONENTS - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

Component code	Name	Assembly reference
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C10	Front left earth	-
C15	Facia earth, driver''s side	-
E50	Instrument panel	-
E50	Instrument panel
F10	Left headlamp
F11	Right headlamp
H1	Ignition switch
H5	Stalk unit
H5	Steering column switch unit	-
M1	Body computer

Location of components - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

MAIN BEAM HEADLAMPS - LOCATION OF COMPONENTS Fiat DOBLO 1.9 JTD 8V Da 10/2000

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COMPONENTS - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

Component code	Name	Assembly reference
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C10	Front left earth	-
C15	Facia earth, driver''s side	-
E50	Instrument panel	-
E50	Instrument panel
F10	Left headlamp
F11	Right headlamp
H1	Ignition switch
H5	Stalk unit
H5	Steering column switch unit	-
M1	Body computer

Description - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

The vehicle has two special lamps for the main beam headlamps.These are switched on:with the dipped beam headlamps switched on by pushing the steering column switch unit lever towards the dashboard (stable mode)in ''flash'' mode, by pulling the lever towards the steering wheel (unstable mode)The circuit is protected by two fuses in the engine compartment junction unit, one for the right lamp and one for the left lamp.A warning light in the instrument panel signals that the main beam headlamps have been switched on.

Functional description - MAIN BEAM HEADLAMPS - Fiat DOBLO 1.9 JTD 8V Da 10/2000

The activation of the main beam headlamps is controlled by an earth signal coming from the steering column switch unit H05 by rotating a ring nut and it reaches the body computer M01 at pin 33 connector F.To switch the main beam headlamps on, the body computer M01 energizes a relay R2 , housed in the engine compartment junction unit B01 , from pin 9 connector C. Another energizing signal, coming from the ignition switch H01 , reaches the relay R2 at the same time and enters pin 30 connector B of the engine compartment junction unit B01 .The latter receives the supply directly from pin 1 connector A and sends it to the right and left headlamps at the outlets at pins 22 and 25 of connector B, respectively.Each line is protected by a fuse in the engine compartment junction unit B01: F15 for the left headlamp, F14 for the right headlamp.Body computer M01 also controls the activation of the light on the instrument panel E50 .The body computer can be supplied via pin 11 connector E (supply ''controlled by the ignition'') and pin A connector C (direct supply) of the junction unit B02 . There is a protective fuse F1 for the direct supply which is located in the junction unit B01 .These lines also supply the instrument panel E50 via two lines protected by fuses F37 and F53 .Pins 8 and 9 connector D of the body computer are connected to earth.