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WIRING-DIAGRAMS

Fiat MULTIPLA 1.6 16v fino a 05/99 – ENGINE COOLING – – Heater – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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Fiat MULTIPLA 1.6 16v fino a 05/99 – ENGINE COOLING – – Heater – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION
Wiring diagram
ENGINE COOLING - Wiring diagram Fiat MULTIPLA 1.6 16v fino a 05/99Unlock Lifetime Access for This Car.

Components
Component codeNameAssembly reference
A1BatteryB5MAXI FUSE boxB8Engine fan fuse (MAXI FUSE)-
B8Engine fan fuse (MAXI FUSE)-
B25Ignition-operated services supply fuse 1554-
B25Ignition-operated services supply fuse 1554-
B35Injection memory and CODE fuse-
C10Left front earth-
C10Left front earth-
D4Front/engine junction-
D4Front/engine junction-
-
2890084">-
2890084-
H1Ignition switch-
2890548">-
2890548-
J31Engine fan 2nd speed relay-
J31Engine fan 2nd speed relay-
K53 stage pressure switchK104 stage pressure switchK104 stage pressure switchM10Engine management ECUM10Engine management ECUM10Engine management ECU-
M10Engine management ECUM10Engine management ECU2891479Op. 1058A GAS CIRCUIT MULTI POINT INJECTION
M10Engine management ECUN11Engine electric fan motorO10Engine fan adjustment resistor2891336Op. 1088E coolant temperature control devices
Location of components
ENGINE COOLING - Location of components Fiat MULTIPLA 1.6 16v fino a 05/99Unlock Lifetime Access for This Car.

Components
Component codeNameAssembly reference
A1BatteryB5MAXI FUSE boxB8Engine fan fuse (MAXI FUSE)-
B8Engine fan fuse (MAXI FUSE)-
B25Ignition-operated services supply fuse 1554-
B25Ignition-operated services supply fuse 1554-
B35Injection memory and CODE fuse-
C10Left front earth-
C10Left front earth-
D4Front/engine junction-
D4Front/engine junction-
-
2890084">-
2890084-
H1Ignition switch-
2890548">-
2890548-
J31Engine fan 2nd speed relay-
J31Engine fan 2nd speed relay-
K53 stage pressure switchK104 stage pressure switchK104 stage pressure switchM10Engine management ECUM10Engine management ECUM10Engine management ECU-
M10Engine management ECUM10Engine management ECU2891479Op. 1058A GAS CIRCUIT MULTI POINT INJECTION
M10Engine management ECUN11Engine electric fan motorO10Engine fan adjustment resistor2891336Op. 1088E coolant temperature control devices
DescriptionThe engine radiator cooling system consists of a fan activated at one speed only corresponding to a high engine coolant temperature.The operation of the fan is achieved by means of a special relay located in the fuse and relay box located in the engine compartment.The fan supply line is protected by a special maxifuse located next to this box, whilst the circuit for energizing the relay is protected by the fuse which protects numerous other services controlled by the ignition. The fan therefore only comes on when the ignition is switched ON.
Functional description The relay J30 controls the engagement of the fan N11. The supply for the relay arrives directly from the battery from the line protected by the maxifuse B8. The relay J30 has a coil supplied directly by the line controlled by the ignition (15/54) protected by fuse B25. It is energized by an earth signal coming from the engine control unit M10. If the engine coolant reaches a high temperature, the control unit M10 sends (from pin 40 of connector A) an earth signal to the relay J30. The energized relay therefore sends a supply which operates the fan N11.

Engine fan fuse (MAXI FUSE)



B008



B008



B008



B008



B008



Ignition-operated services supply fuse 1554



B025



B025



B025



B025



B025



B025



B025



B025



B025



B025



B025



Injection memory and CODE fuse



B035



B035



B035



B035



B035



Left front earth



C010A



C010B



C010C



C010C



C010D



C010D



C010A



C010A



C010A



C010A



C010A



C010A



C010A



C010A



Front/engine junction



D004A



D004A



D004B



D004B



D004



D004



D004



D004



D004A



D004A



D004B



D004B



D004B



D004B



D004B



D004



D004



D004



D004



D004B



D004B



D004B



D004B



D004B



D004B



D004B



D004B



D004B



Ignition switch



H001A



H001A



H001A



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



Ignition switch



H001A



H001A



H001A



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



H001B



Engine fan 2nd speed relay



J031



J031



J031



J031



3 stage pressure switch



K005



K005



3 stage pressure switch



K005



K005



3 stage pressure switch



K005



K005



3 stage pressure switch



K005



K005



3 stage pressure switch



K005



K005


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