Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Fiat Ducato Factory Service Manual (2002-2006)20 · Wiring diagrams and electrical functions
20 · Electrical

Air conditioner functional description

Make
Fiat
Model
Ducato Factory Service Manual
Year
2002–2006
Section
Climate control system › Air conditioner functional description
Wiring diagrams and electrical functionsAir conditioner functional description

AIR CONDITIONER FUNCTIONAL DESCRIPTION

Operational Description

The climate control system control unit M070 receives an ignition-operated supply at pin 3 along the line protected by fuse F31 located in the engine compartment junction unit B001. When the climate control fan selector H081 is turned to select the first, second or third speed the passenger compartment air fan adjustment resistance O030 receives a reference earth.The remote control switch H022 protects the passenger compartment air fan N085: when the maximum speed is switched on and the high speed remote control switch J041 contact is closed, the passenger compartment air fan remote control switch J022 switches the position of its contact and the passenger compartment air fan N085, initially supplied and protected by the line for fuse F55 located in the junction unit under the dashboard B002 is supplied and protected by the line for fuse F05 located in the engine compartment junction unit B001.When the air conditioning is switched on the climate control system control unit M070 supplies the air conditioning/heater controls light G045. The same control unit receives an earth signal at pin 1.

Parts & tools for this job For 2002 Fiat Ducato

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