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Automotive Electricians Portal FZCO Wiring diagram - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車Components - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
Component code | Name | Assembly reference |
B1 | Engine compartment junction unit | |
B38 | Additional heater fuse | - |
B99 | Maxifuse box on battery | |
I95 | Additional heater safety switch | - |
J36 | Additional heater relay | - |
J37 | Additional heater relay - 2 | - |
J37 | Additional heater relay -2 | - |
K79 | Air temperature sensor (additional heater)( | - |
K79 | Air temperature sensor (additional heater)() | - |
M70 | Climate control system control unit | |
N85 | Passenger compartment ventilation fan | 5040C 3363005 |
O25 | Additional heater resistor | - |
Location of components - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車Components - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
Component code | Name | Assembly reference |
B1 | Engine compartment junction unit | |
B38 | Additional heater fuse | - |
B99 | Maxifuse box on battery | |
I95 | Additional heater safety switch | - |
J36 | Additional heater relay | - |
J37 | Additional heater relay - 2 | - |
J37 | Additional heater relay -2 | - |
K79 | Air temperature sensor (additional heater)( | - |
K79 | Air temperature sensor (additional heater)() | - |
M70 | Climate control system control unit | |
N85 | Passenger compartment ventilation fan | 5040C 3363005 |
O25 | Additional heater resistor | - |
Description - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
The climate control via the heater unit is insufficient when the engine is cold, especially in Diesel engines which are slow to warm up.These engines may optionally be fitted with a supplementary heater system. This remains active from the moment when the engine is turned on until a certain temperature is reached.The system consists of an additional heater, located in the heater unit: the device contains three resistances (PTC).The operation of the resistances is controlled by a specific control unit - connected via the CAN network to the car''s other nodes - which drives only one, or two or three, thus providing progressive heating.This control logic depends on:the temperature of the engine coolant;the electrical power available (in effect, the battery voltage is checked)the engine speed (which should be above a pre-set value).
The supply of one, two or three resistances is controlled by two relays located on the heater unit:1. Level: activated by the first relay;2. Level: activated by the second relay;3. Level: activated by both relays.
This supply is interrupted in the case of overtemperatures, via a specific safety switch.Also, when the heater is on, the switching on of the fan is controlled.For more details.The supply line is protected by a specific maxifuse and a bridge fuse.
Functional description - ADDITIONAL HEATER - Fiat STILO 1.9 JTD 16v da 01/04
The relay J36 controls the engagement of the first additional heater coilThe relay is supplied from the fuse B38 .The relay J37 controls the engagement of the other two additional heater coils. The supply for relay arrives from the line for maxifuse PTC2, located on the battery, connector B99 .the ignition (INT/A) protected by fuse F49 of the junction unit under the dashboard B2. This supply is cut off in the case of overheating, via the safety switch l95 .Control unit M75 controls device operation: it is supplied by an igntiion-operated line (INT) protected by fuse F49 of underfacia control unit B2, and connected via the CAN line to Body Computer M1and the other network nodes.The climate control unit M75 sends the enabling signal for engaging the first resistance O25A to excite relay J36 and a signal to activate the two coils O25B at relay J36. Another dedicated signal controls activation of the first speed of air fan N85 , supplied by ignition-operated line (INT/A) of relay T8 and dedicated fuse F8 of engine bay control unit B1 - it is operated at the first speed in any case if the supplementary heating device is on..Engine compartment junction unit
B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1X
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1A
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1B
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1B
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1B
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1D
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B1E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Additional heater fuse
B38
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Maxifuse box on battery
B99A
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B99B
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B99C
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B99D
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B99D
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 B99E
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Additional heater safety switch
I95
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Additional heater relay
J36
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 J36
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Additional heater relay - 2
J37
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 J37
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Air temperature sensor (additional heater)(
K79
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Climate control system control unit
M70A
M70B
M70C
Passenger compartment ventilation fan
N85
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 N85
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 Additional heater resistor
O25A
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 O25A
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 O25B
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Automotive Electricians Portal FZCO すべての配線図にアクセスする車 O25B
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