Fiat ULYSSE 2.2 16V JTD fino a 04/03 – AUTOMATIC TRANSMISSION – – MY 2005 – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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AUTOMATIC TRANSMISSION WIRING DIAGRAM Fiat ULYSSE 2.2 16V JTD fino a 04/03

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Components - AUTOMATIC TRANSMISSION - Fiat ULYSSE 2.2 16V JTD fino a 04/03

Component code	Description	Reference to the assembly
A001	BATTERY	Op.5530BBATTERY AND LEADS
B001	ENGINE COMPARTMENT JUNCTION UNIT	Op.5505AMULTIFUNCTION COMPONENTS
B005	MAXI FUSE BOX	-
B098	ADDITIONAL FUSE BOX	-
C010	LEFT FRONT EARTH	-
C011	RIGHT FRONT EARTH	-
C020	PASSENGER SIDE DASHBOARD EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D006	FRONT/REAR COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
E050	INSTRUMENT PANEL	Op.5,560BANALOGUE INSTRUMENT PANEL
H001	Ignition switch	Op.5520AIGNITION SWITCH
H037	GEAR CONTROLS	-
I030	BRAKE PEDAL SWITCH	Op.5550DBRAKE AND REVERSING LIGHTS
J007	GEAR LEVER LOCK ACTUATOR RELAY FEED	-
L050	AUTOMATIC TRANSMISSION SOLENOID VALVES	-
L058	AUTO. TRANS. LEVER LOCKING SOLENOID	-
M001	BODY COMPUTER	Op.5505AMULTIFUNCTION COMPONENTS
M055	AUTOMATIC TRANSMISSION CONTROL UNIT	-
M140	WARNING LIGHTS AND MILOMETER CONTROL UNIT (NSO)	-
R010	MULTIPLE DIAGNOSTIC COUPLING	-

AUTOMATIC TRANSMISSION COMPONENT LOCATION Fiat ULYSSE 2.2 16V JTD fino a 04/03

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Component code	Description	Reference to the assembly
A001	BATTERY	Op.5530BBATTERY AND LEADS
B001	ENGINE COMPARTMENT JUNCTION UNIT	Op.5505AMULTIFUNCTION COMPONENTS
B005	MAXI FUSE BOX	-
B098	ADDITIONAL FUSE BOX	-
C010	LEFT FRONT EARTH	-
C011	RIGHT FRONT EARTH	-
C020	PASSENGER SIDE DASHBOARD EARTH	-
D001	FRONT/DASHBOARD COUPLING	-
D006	FRONT/REAR COUPLING	-
D020	DASHBOARD/REAR COUPLING	-
E050	INSTRUMENT PANEL	Op.5,560BANALOGUE INSTRUMENT PANEL
H001	Ignition switch	Op.5520AIGNITION SWITCH
H037	GEAR CONTROLS	-
I030	BRAKE PEDAL SWITCH	Op.5550DBRAKE AND REVERSING LIGHTS
J007	GEAR LEVER LOCK ACTUATOR RELAY FEED	-
L050	AUTOMATIC TRANSMISSION SOLENOID VALVES	-
L058	AUTO. TRANS. LEVER LOCKING SOLENOID	-
M001	BODY COMPUTER	Op.5505AMULTIFUNCTION COMPONENTS
M055	AUTOMATIC TRANSMISSION CONTROL UNIT	-
M140	WARNING LIGHTS AND MILOMETER CONTROL UNIT (NSO)	-
R010	MULTIPLE DIAGNOSTIC COUPLING	-

The electronic automatic transmission has four forward speeds plus reverse with self-adapting management (i.e. it is capable of adapting to the driving style of the driver) depending on vehicle load and road conditions.The display can show the following:in automatic driving mode, the gear selected (P, R, N or D);in sequential driving mode, the (manual) engagement of a higher or lower gear by means of an up or down arrow, respectively.In sequential driving mode, each gear change is shown on the display; any possibility of errors is excluded by the continuous check by the management control unit which only allows a lower gear to be engaged if the engine revs permit.In sequential driving mode, the electronic automatic transmission works like a fixed ratio gearbox controlled in sequence. The electronic control intervenes by altering the ratios when the engine speed goes above or below the permitted rpm limit.Moving the lever from P to D, N to D or R to D should only be done with the vehicle stationary, the engine idling and the brake pedal fully depressed (shift-lock).The engine cannot be started with the lever in position R.The engine can only be started with the lever in P or N.The lever can only be moved from position P, with the ignition in position M, with the brake pedal fully depressed (shift-lock).A failure with the electronic automatic transmission is signalled by the flashing of the milometer warning lights node; in this case, the gearbox stabilizes itself automatically in third gear.767Driving where there is snow or ice: when the road holding conditions are poor (snow, ice, etc.) and the special button next to the gear lever is pressed, the display will light up and the vehicle will pull away in second gear.

Automatic transmission control unit M055 controls and regulates the entire gearbox management system.The power supply for the automatic transmission control unit M055 (pin 56) is provided by the Body computer node M001 (pin 11 connector B) and (pin 27) from the engine compartment junction unit B001 (pin 4 connector F) through a line protected by fuse F06.This latter line, also supplies the gear control unit H037 (pin 1 connector B) and the automatic transmission solenoid valve assembly L050 (pin A1).The information is sent via the CAN line from control unit M055 (pins 29-30 for the basic version and pins 29-30, 38-29 for the version with ESP) to the Body computer node M011 (pins 8, 10 connector D), to the engine compartment junction unit B001 (pins 11, 12 connector F), to the instrument panel E050 (pins 6, 12), to the milometer and warning lights control unit M140 (pins 2, 5) and to the other control units involved: engine management M010 and ABS/ESP M050.The Body computer node M001 (pins 1, 2 connector A) receives a power supply from the engine compartment junction unit B001 (pins 4, 5 connector D respectively) through two lines protected by fuses MF4 and MF5 (respectively) and provides a power supply (pin 6 connector D) for the instrument panel E050 (pin 13) and the milometer and warning lights control unit M140 (pin 4) through a line protected by fuse F14.The ignition switch H001 is connected (pins 2, 1, 3 respectively) to the body computer M001 (pin 5 connector D, pins 4 and 6 connector G).The gear lever lock actuator relay feed J007 (pins 1B, 5B) receives a power supply from the Body computer node M001 (pin 10 connector B).This same actuator J007 (pins 2B, 3B respectively) is still connected to the automatic transmission control unit M055 (pin 11) and to the automatic transmission lever lock solenoid L058 (pin 1).The solenoid valve unit L050 only allows starting in certain conditions (e.g. if the brake pedal is pressed).The brake pedal switch I030 is connected:- at pin 1, to the additional fuse box B098 (pin G31 connector B) from which it receives a power signal via a line protected by fuse F31;- at pin 2, to the Body computer node M001 (pin 4 connector B) and to the automatic transmission control unit M055 (pin 43).The KEY LOCK signal (locking of starting if the gearbox is in a position other than P or N), is supplied by the automatic transmission solenoid valve assembly L050 (pin A5) to junction unit B001 (pin 15 connector F).Once the brake pedal pressed and gearbox in position P or N signal is received, the junction unit B001 commands starting (pins 2, 3 connector C).The automatic transmission control unit M055 (pins 15, 31, 32, 33, 42, 53, 54, 14, 13, 8, 7, 1, 9, 10, 20, 19, 26, 25, 55, 24, 46, 45, 12, 2) communicates with the solenoid valve assembly L050 (pins A3, A10, A11, A12, A7, B4, B1, B2, B5, B7, B10, B3, B8, B11, B9, B6, B12, C3, C2, C1, D2, D1, E2, E1) by means of numuerous signals: the latter contains the control valves, the pressure regulators and several sensors.The management of the transmission may be completely automatic (managed by M055) or semi-automatic, in other words setting the gears by means of the gear control unit H037: pins 4 and 5 of connector B are connected to pins 37 and 36 (respectively) of the automatic transmission control unit M055 informing it of the management to be carried out.The engagement of the "snow" function takes place by pressing the special button located in unit H037 (pin 1 connector A) connected to the Body computer node M001 (pin 5 connector I).The Body computer node M001 notifies control unit M055 (via the CAN line) that the function has been switched on and supplies (pin 7 connector D) the LED in the gear control unit H037 (pin 2 connector A).The autodiagnosis of the control unit M055 (pin 18) can be carried out by connecting to the diagnostic socket R010 (pin 7).