Wiring diagram - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
Components - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
Component code | Name | Assembly reference |
B1 | Engine compartment junction unit | |
B99 | Maxifuse box on battery | |
H80 | Climate control controls | |
H81 | Climate control fan control | |
K86 | Frost sensor | - |
L20 | Air conditioning compressor "on" electromagnet | |
M10 | Engine management ECU | |
M10 | Engine management control unit | - |
M10 | Engine management control unit | |
M70 | Climate control system control unit | |
O30 | Air fan adjustment resistance | - |
O30 | Passenger compartment air fan adjustment resistor | - |
Location of components - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
Components - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
Component code | Name | Assembly reference |
B1 | Engine compartment junction unit | |
B99 | Maxifuse box on battery | |
H80 | Climate control controls | |
H81 | Climate control fan control | |
K86 | Frost sensor | - |
L20 | Air conditioning compressor "on" electromagnet | |
M10 | Engine management ECU | |
M10 | Engine management control unit | - |
M10 | Engine management control unit | |
M70 | Climate control system control unit | |
O30 | Air fan adjustment resistance | - |
O30 | Passenger compartment air fan adjustment resistor | - |
Description - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
The centre button in the climate control control panel in the centre of the dashboard switches on the air cooling and dehumidifying circuit, activating the air conditioning compressor.
Description - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
The appropriate button in the climate control control panel enables operation of the air cooling circuit; when the button is pressed the LED comes on.The above button enables the operation of the air cooling circuit; the actual switching on of the compressor, however, also depends on the climate control system ECU operating strategy.The compressor can also be switched off by the intervention of the fan linear sensor or the engine management control unit.
Description - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
For more detailsWith the compressor switched on, the fan is operated at the first speed by means of a special relay located inside the unit.The compressor supply circuit is controlled by a specific relay and protected by a special fuse located in the engine compartment in the junction unit.The fan is supplied by a line protected by a specific fuse and operated by a special relay, in the engine compartment junction unit.The supply for the controls comes via a line controlled by the ignition and protected by a fuse in the underdashboard control unit.
Functional description - COMPRESSOR ENGAGEMENT - Fiat STILO 1.8 16v da 07/02 a 06/03
Relay T5 of engine bay control unit B1 controls the compressor activation circuitThe relay power supply passes through the line of dedicated fuse F19 of engine bay junction unit B1 The power supply to the coil of relay T5 arrives from main injection relay T9 and ignition-opeated line (15/54) protected by fuse F18, both located in engine bay control unit B1.