AUTOMOTIVE ELECTRICIANS

Fiat 500 1.4 16v — EARTHS — — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Fiat 500 1.4 16v   —  EARTHS  —  — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION — WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

WIRING DIAGRAM - EARTHS - Fiat 500 1.4 16v







COMPONENTS - EARTHS - Fiat 500 1.4 16v



Component CodeDescriptionReference to the operation
A001 BATTERY
C002 BATTERY EARTH ON ENGINE -
C003 BATTERY EARTH ON BODYSHELL -
C010LEFT FRONT EARTH-
C012 ABS FRONT EARTH -
C015DASHBOARD EARTH, DRIVER'S SIDE-
C016 AIR CONDITIONING UNIT EARTH -
C030 LEFT REAR EARTH -
C031RIGHT REAR EARTH-
C032REARSCREEN EARTH-
C039COMPRESSOR EARTH-
C040ENGINE EARTH-
C045 FAN EARTH -
C050 AIR BAG SYSTEM EARTH -
C060 INJECTION CONTROL UNIT EARTH -

COMPONENT LOCATION - EARTHS - Fiat 500 1.4 16v





Component CodeDescriptionReference to the operation
A001 BATTERY
C002 BATTERY EARTH ON ENGINE -
C003 BATTERY EARTH ON BODYSHELL -
C010LEFT FRONT EARTH-
C012 ABS FRONT EARTH -
C015DASHBOARD EARTH, DRIVER'S SIDE-
C016 AIR CONDITIONING UNIT EARTH -
C030 LEFT REAR EARTH -
C031RIGHT REAR EARTH-
C032REARSCREEN EARTH-
C039COMPRESSOR EARTH-
C040ENGINE EARTH-
C045 FAN EARTH -
C050 AIR BAG SYSTEM EARTH -
C060 INJECTION CONTROL UNIT EARTH -

DESCRIPTION - EARTHS - Fiat 500 1.4 16v


The following diagram shows the various earths on the car. The associated circuits are shown for each earth.In this way it is easy to identify these circuits which are connected to earth by the same line; this facilitates the job of searching for faults if there are problems involving more than one function (for example, the oxidization of an earth may put various circuits, and numerous functions connected to them, out of operation simultaneously).

FUNCTIONAL DESCRIPTION - EARTHS - Fiat 500 1.4 16v


The earths listed below are present on the vehicle and are categorised according to their relationship with the various wires.Battery negative wiring:battery negative, A001 A (on battery negative terminal block)battery earth on engine, C002 (on the gearbox, connected to the body via a braid)battery earth on body, C003 A (direct connection to battery negative) and C003 B (on the body, connected to the gearbox via a braid)Front wiring:battery negative, A001 B (on the terminal block; injection system -1.4 petrol and 1.3 Multijet engines-)battery negative, A001 C (on the terminal block; electric steering)left front earth, C010ABS front earth, C012heater/air conditioning unit earth, C016radiator fan earth, C045Dashboard wiring:driver-side dashboard earth, C015Air Bag system earth, C050 A (control unit)Rear wiring:left rear earth, C030 A and C030 Bright rear earth, C031heated rear windscreen earth, C032Air Bag system earth, C050 B (Side Bag)Engine wiring:compressor earth, C039 (1.2 and 1.4 petrol engines)earth on engine, C040 A and C040 B (1.2 petrol engine)earth on engine, C040 (1.4 petrol engine)injection control unit earth, C060 (1.2 petrol and 1.3 Multijet engines)

BATTERY



A001A



A001A



A001B



A001B



A001C



A001D



A001D



A001E



BATTERY EARTH ON ENGINE



C002



C002



BATTERY EARTH ON BODYSHELL



C003A



C003A



C003B



C003B



LEFT FRONT EARTH



C010



C010



C010



ABS FRONT EARTH



C012



DASHBOARD EARTH, DRIVER'S SIDE



C015



AIR CONDITIONING UNIT EARTH



C016



LEFT REAR EARTH



C030A



C030A



C030A



C030B



RIGHT REAR EARTH



C031



REARSCREEN EARTH



C032



COMPRESSOR EARTH



C039



C039



ENGINE EARTH



C040



C040A



C040B



FAN EARTH



C045



C045



AIR BAG SYSTEM EARTH



C050A



C050B



INJECTION CONTROL UNIT EARTH



C060



C060


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