Alfa Romeo GT 1.8 T.SPARK – TRIP COMPUTER – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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Wiring diagram - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

TRIP COMPUTER - WIRING DIAGRAM Alfa Romeo GT 1.8 T.SPARK

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Components - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C15	FACIA EARTH, DRIVER''S SIDE	-
E50	INSTRUMENT PANEL
H1	IGNITION SWITCH
M1	BODY COMPUTER
M10	ENGINE MANAGEMENT ECU	1056B
M10	ENGINE MANAGEMENT ECU
M50	ABS CONTROL UNIT ( FRONT )
N40	FUEL PUMP AND SENDER UNIT

Location of components - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

TRIP COMPUTER - LOCATION OF COMPONENTS Alfa Romeo GT 1.8 T.SPARK

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Components - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C15	FACIA EARTH, DRIVER''S SIDE	-
E50	INSTRUMENT PANEL
H1	IGNITION SWITCH
M1	BODY COMPUTER
M10	ENGINE MANAGEMENT ECU	1056B
M10	ENGINE MANAGEMENT ECU
M50	ABS CONTROL UNIT ( FRONT )
N40	FUEL PUMP AND SENDER UNIT

Description - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

The Trip Computer allows the following information to be displayed on the active matrix LCD:Instantaneous consumption [km/l]Average consumption [km/l]Range [km]Average speed [km/h]Distance travelled [Km] * - Journey time [hh:mm]Average consumption B [Km/l]Average speed B [Km/h]Distance travelled B [Km]Journey time B [hh:mm]The values (B) are calculated from the last resest (pressing the SET button on the stalk unit right lever) or automatically after a stop of 2 h with the ignition off.If an integrated radio-telephone-navigator is adopted, all the TRIP information is also displayed on the radio-telephone-navigator display.For more details.The Trip Computer data are calculated within the instrument panel.The instrument panel is a node on the CAN network through which it exchanges information with the Body Computer and the other electronic units.This diagram shows the operation of those functions relating to the instrument panel which also affect the Trip Computer.

Functional description - TRIP COMPUTER - Alfa Romeo GT 1.8 T.SPARK

The ignition-operated power supply (INT) of the instrument panelE50reaches pin 1 of connector A through the line of fuse F37 of the unit under the dashboardB2; the direct supply reaches pin 2 of connector A through the line of fuse F53 of the unit under the dashboardB2; pin 7 of connector A is earthed (earth controlled by the Body ComputerM1).The instrument panelE50 is connected from pins 3 and 4 of connector A to the Body Computer M1 and via the latter to the whole CAN network: via CAN the signal for the electronic speedometer arrives (coming from the ABS control unit M50): this signal is replicated from pin 37 of M50 to pin 17 of connector A of the Body Computer M1.The electronic rev counter receives the rpm signal coming via CAN from the engine management control unitM10.The fuel gauge is controlled in accordance with the signals coming from the fuel gauge sender unit located in the fuel pump assemblyN40- at pins 4 and 15 of the Body ComputerM1, and from here via CAN to the instrument panelE50.The Trip Computer ''SET'' button, located on the stalk unit H5, sends an earth signal to pin 8 of connector A ofE50.