Fiat DOBLO 1.4 8v da 12/03 – INSTRUMENT LIGHTING – – MY 2005 – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

INSTRUMENT LIGHTING - WIRING DIAGRAM Fiat DOBLO 1.4 8v da 12/03

Components - INSTRUMENT LIGHTING - Fiat DOBLO 1.4 8v da 12/03

Component code	Description	Reference to the assembly
B001	JUNCTION UNIT
B2	JUNCTION UNIT UNDER DASHBOARD
C15	DASHBOARD EARTH, DRIVER''S SIDE
E50	INSTRUMENT PANEL
H001	IGNITION SWITCH
H5	STEERING COLUMN SWITCH UNIT
M001	BODY COMPUTER

INSTRUMENT LIGHTING - COMPONENT LOCATION Fiat DOBLO 1.4 8v da 12/03

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Component code	Description	Reference to the assembly
B001	JUNCTION UNIT
B2	JUNCTION UNIT UNDER DASHBOARD
C15	DASHBOARD EARTH, DRIVER''S SIDE
E50	INSTRUMENT PANEL
H001	IGNITION SWITCH
H5	STEERING COLUMN SWITCH UNIT
M001	BODY COMPUTER

The car is equipped with numerous light sources for optimal lighting of interior instruments and controls.All instruments and controls (faces and guages) are lit up with key ON.The instrument panel leds are kept permanently on at the same brightness level.On versions with the COMFORT panel only, the brightness of the instrument scale and graph leds may be adjusted when the side lights are turned on.Eight brightness levels are offered on the COMFORT panel version, from 30% to 100% of maxmum brightness.Once the required brightness has been set, this is stored and then reused.The brightness level may be adjusted by means of two “MODE + ” and “MODE – “ keys located to the right of the instrument panel near the windscreen wash/wipe stalk only when the instrument panel is on the standard screen and the side lights are on.On versions with a COMFORT panel, when a fault message is displayed (apart from "ice danger), the display brightness is automatically set to maximum (daytime setting) even when the side lights are on.The brightness level is fixed on MODALE and STRIP panels.For further details,

An ignition operated power supply (INT) from instrument E50 reaches pin 1 of connector A through body computer M01, pin 31 connector F, from a line protected by fuse F37 of under-dashboard junction unit B02.Instrument E50 is also supplied directly from the battery - pin 3 of connector A - (for Natural Power version - 1596 16V BPW - pin 2 of connector A) via the body computer, pin 3 of connector D, from a line protected by fuse F53 contained in under-dashboard junction unit B02.Body computer M01 and control panel E50 communicate with one another to exchange information on the correct operation of the devices present in the vehicle respectively from pins 5 and 6 of connector D and pins 9 and 8 of connector A (for the Natural Power version - 1596 16V BPW - pins 3 and 4 of connector A).The instrument panel is also earthed via the body computer, from pin 2 connector A (for the Natural Power version - 1596 16V BPW - pin 7 of connector A).Activation of the leds inside the instrument panel is controlled directly by body computer M01 on the basis of signals from ignition switch H01: pin 2 connector B of the ignition switch carries the igntion-operated supply line (INT) while pin 3 connector B carries the "ignition-operated" line (POS) when the stalk is operated to turn on the side lights.