Fiat DUCATO 2.8 JTD 8V fino a 02/05 – ASR / TCS – – Automatic Transmission – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring Diagram - ASR / TCS - Fiat DUCATO 2.8 JTD 8V fino a 02/05

ASR WIRING DIAGRAM Fiat DUCATO 2.8 JTD 8V fino a 02/05

Components - ASR / TCS - Fiat DUCATO 2.8 JTD 8V fino a 02/05

Component code	Description	Reference to the assembly
B001	JUNCTION UNIT
B002	JUNCTION UNIT UNDER DASHBOARD	-
B099	MAXI FUSE BOX ON BATTERY	-
C001	BATTERY EARTH	-
C012	ABS FRONT EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D005	ABS COUPLING	-
D097	SHORT CIRCUITING COUPLING	-
D160	DASHBOARD/OPTIONAL DASHBOARD COUPLING	-
D186	FRONT/ABS COUPLING	-
E050	INSTRUMENT PANEL
H001	IGNITION SWITCH
H037	GEAR CONTROLS	-
H090	SWITCH CONTROL PANEL
I030	BRAKE PEDAL SWITCH	-
K020	LEFT BRAKE PAD WEAR SENSOR (SWITCH)	-
K025	BRAKE FLUID LEVEL SENSOR (SWITCH)	-
K070	LEFT FRONT WHEEL SENSOR FOR ABS	-
K071	RIGHT FRONT WHEEL SENSOR FOR ABS	-
K075	LEFT REAR WHEEL SENSOR FOR ABS	-
K076	RIGHT REAR WHEEL SENSOR FOR ABS.	-
M010	ENGINE MANAGEMENT ECU	-
M050	ABS CONTROL UNIT	-

Component location - ASR / TCS - Fiat DUCATO 2.8 JTD 8V fino a 02/05

ASR COMPONENT LOCATION Fiat DUCATO 2.8 JTD 8V fino a 02/05

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Component code	Description	Reference to the assembly
B001	JUNCTION UNIT
B002	JUNCTION UNIT UNDER DASHBOARD	-
B099	MAXI FUSE BOX ON BATTERY	-
C001	BATTERY EARTH	-
C012	ABS FRONT EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D005	ABS COUPLING	-
D097	SHORT CIRCUITING COUPLING	-
D160	DASHBOARD/OPTIONAL DASHBOARD COUPLING	-
D186	FRONT/ABS COUPLING	-
E050	INSTRUMENT PANEL
H001	IGNITION SWITCH
H037	GEAR CONTROLS	-
H090	SWITCH CONTROL PANEL
I030	BRAKE PEDAL SWITCH	-
K020	LEFT BRAKE PAD WEAR SENSOR (SWITCH)	-
K025	BRAKE FLUID LEVEL SENSOR (SWITCH)	-
K070	LEFT FRONT WHEEL SENSOR FOR ABS	-
K071	RIGHT FRONT WHEEL SENSOR FOR ABS	-
K075	LEFT REAR WHEEL SENSOR FOR ABS	-
K076	RIGHT REAR WHEEL SENSOR FOR ABS.	-
M010	ENGINE MANAGEMENT ECU	-
M050	ABS CONTROL UNIT	-

Description - ASR / TCS - Fiat DUCATO 2.8 JTD 8V fino a 02/05

The electronic wheel anti-lock and anti-slip system regulations braking pressure transmitted to the wheels to prevent loss of grip under all tyre and road surface conditions and controls vehicle traction (ASR = ANTISLIP REGULATION) by cutting in automatically whenever one or both of the drive wheels begins to slip.The ASR system increases the active safety and stability of the vehicle controlling the slipping of the drive wheels: if the slipping is caused by the transmission of excessive power, the system cuts in, with the co-operation of the engine management control unit, to reduce engine power output. If, on the other hand, the slipping is detected at one wheel only, the system cuts in to brake the slipping wheel only by means of the wheel''s modulating solenoid valve.The ASR comes on automatically whenever the engine is started: the system can be deactivated by means of a button in the control panel. When the system is off, an LED in the button and a warning light in the control panel come on simultaneously.The warning light flashes when the system cuts in to notifiy the driver that the ASR has come on due to road grip conditions.When the control unit detects an error in the ASR function, it turns on the warning light in fixed mode.

Operational Description - ASR / TCS - Fiat DUCATO 2.8 JTD 8V fino a 02/05

ABS control unit M050 receives a power supply directly from the battery - pins 17 and 18 - and an ignition-operated supply - pin 15 -. The direct battery power supply is protected by fuse F04 located in engine bay junction unit B001. The ignition-operated supply is protected by fuse F42, located in the under-facia junction unit B002.When the brake pedal is pressed, switch I030 supplies control unit M070 - pin 14 - with an ignition-operated supply protected by fuse F26, located in control unit B002.ABS control unit M050 activates wheel sensors K070, K071, K075 and K076 via pins 1, 2, 3, 4, 6, 7, 8, 9.If the system malfunctions, the control unit turns on the warning lights located on instrument panel E050.Control unit M070 receives an activation/deactivation commandfrom control panel H090 - pin 4 connector C - from pin 31.Sensor K025 monitors brake fluid level. When this level is too low, the sensor closes the earth circuit by turning on the warning light on instrument panel E050 - pin 2 connector B -.Sensor K020 monitors brake pad wear and controls activation of a warning light on instrument panel E050 - pn 3 connector B - if the pads malfunction or are replaced.The ABS control unit communicates from pins 29 and 30 via the CAN with gear control unit H037 and engine control unit M010.The WINTER key on gear selector H037 is used to turn the ASR system on and off.