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Automotive Electricians Portal FZCO![Fiat GRANDE PUNTO 1.3 Multijet – ADDITIONAL HEATER – – Manual air conditioning – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION Download PDF file](/images/pdf-80.jpg)
WIRING DIAGRAM - ADDITIONAL HEATER - Fiat GRANDE PUNTO 1.3 Multijet
COMPONENTS - ADDITIONAL HEATER - Fiat GRANDE PUNTO 1.3 Multijet
Component code | Description | Reference to the operation |
B001 | JUNCTION UNIT | |
B098 | SUPPLEMENTARY FUSE BOX | - |
B099 | MAXI FUSE BOX ON BATTERY | |
C015 | DASHBOARD EARTH, DRIVER'S SIDE | - |
C016 | AIR CONDITIONING UNIT EARTH | - |
D021 | DASHBOARD/AIR CONDITIONING-HEATER COUPLING | - |
H001 | IGNITION SWITCH | |
I95 | ADDITIONAL HEATER SAFETY SWITCH | - |
J036 | ADDITIONAL HEATER RELAY - 1 | - |
J037 | ADDITIONAL HEATER RELAY -2 | - |
M001 | BODY COMPUTER | |
M075 | ADDITIONAL HEATER CONTROL UNIT | |
N085 | PASSENGER COMPARTMENT AIR FAN | |
O025 | ADDITIONAL HEATER RESISTANCE | |
COMPONENT LOCATION - ADDITIONAL HEATER - Fiat GRANDE PUNTO 1.3 Multijet
Component code | Description | Reference to the operation |
B001 | JUNCTION UNIT | |
B098 | SUPPLEMENTARY FUSE BOX | - |
B099 | MAXI FUSE BOX ON BATTERY | |
C015 | DASHBOARD EARTH, DRIVER'S SIDE | - |
C016 | AIR CONDITIONING UNIT EARTH | - |
D021 | DASHBOARD/AIR CONDITIONING-HEATER COUPLING | - |
H001 | IGNITION SWITCH | |
I95 | ADDITIONAL HEATER SAFETY SWITCH | - |
J036 | ADDITIONAL HEATER RELAY - 1 | - |
J037 | ADDITIONAL HEATER RELAY -2 | - |
M001 | BODY COMPUTER | |
M075 | ADDITIONAL HEATER CONTROL UNIT | |
N085 | PASSENGER COMPARTMENT AIR FAN | |
O025 | ADDITIONAL HEATER RESISTANCE | |
DESCRIPTION - ADDITIONAL HEATER - Fiat GRANDE PUNTO 1.3 Multijet
FUNCTIONAL DESCRIPTION - ADDITIONAL HEATER - Fiat GRANDE PUNTO 1.3 Multijet
The relay J36 controls the engagement circuit for the first additional heater coil O25; the power supply for the relay arrives from the line for fuse F74 of the additional fuse box B98.The relay J37 controls the engagement circuit for the other additional heater coil O25; the power supply for the relay arrives from the line for fuse F76 of the additional fuse box B98.The coil for relay J36 is energized by a signal for the engagement of the first resistance for O25A - from pin 12 of supplementary heater control unit M75.The coil for relay J37 is energized by a signal for the engagement of the first resistance for O25B - from pin 6 of supplementary heater control unit M75.Control unit M75 is supplied - at pin 7 - from a line protected by fuse F24 of relay T6 of B1: this ignition-operated supply (INT) is controlled from pin 1 of connector A of M1;Pin 1 of M75 is earthed.This power supply is interrupted in the event of overheating, via safety switch I95, which is also connected to pin 5 of M75.Supplementary heater control unit M75 is connected – from pins 3 and 2 - via the CAN line, to Body Computer M1 and to the other network nodes.Body Computer M1 - connector G - is supplied directly from the battery from a line protected by maxifuse F2 of engine compartment control unit B1. It is ignition-operated (INT) at pin 32 of connector D. Pin 10 of connector H of M1 supplies a reference earth to the Body Computer.When the heater is on, fan N85 is controlled from pin 4 of M75.Fan N85 si supplied from a line protected by fuse F18 of engine compartment control unit B1 and from relay T5 of B1: this is an "ignition-operated except during start-up (INT/A)" supply controlled from pin 13 of connector A of M1.JUNCTION UNIT
B001A
B001A
B001A
B001A
B001B
B001B
B001C
B001C
B001C
B001C
B001C
B001X
SUPPLEMENTARY FUSE BOX
B098A
B098B
MAXI FUSE BOX ON BATTERY
B099A
B099A
B099B
B099D
B099D
B099E
B099F
DASHBOARD EARTH, DRIVER'S SIDE
C015A
C015B
C015C
AIR CONDITIONING UNIT EARTH
C016
C016
C016
DASHBOARD/AIR CONDITIONING-HEATER COUPLING
D021A
D021A
D021A
D021A
D021B
D021B
IGNITION SWITCH
H001
ADDITIONAL HEATER SAFETY SWITCH
I095
ADDITIONAL HEATER RELAY - 1
J036
J036
ADDITIONAL HEATER RELAY -2
J037
J037
BODY COMPUTER
M001A
M001C
M001D
M001E
M001G
M001H
M001H
M001H
M001K
ADDITIONAL HEATER CONTROL UNIT
M075
M075
PASSENGER COMPARTMENT AIR FAN
N085
N085
N085
ADDITIONAL HEATER RESISTANCE
O025A
O025A
O025B
O025B
O025C
O025C