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Alfa Romeo 159 Factory Service Manual (2005-2011)20 · Wiring diagrams and electrical functions
20 · Electrical

Earths - operational description

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Power supply and earths › Earths - operational description
Wiring diagrams and electrical functionsEarths - operational description

EARTHS - OPERATIONAL DESCRIPTION

from 01/06

FUNCTIONAL DESCRIPTION

The earths present on the vehicle, categorised according to their relationship with the various wires, are as follows.

Radiator wiring:

- battery earth, C01 A

Front wiring:

- left front earth, C10

- right front earth, C11

- ABS front earth (on left corner), C12

- earth on engine, C40

Dashboard wiring:

- passenger side facia earth, C20

- Air Bag system earth, C50 A

Rear wiring:

- driver''s dashboard earth, C 15

- left rear earth, C30

- right rear earth, C31

- heated rear windscreen earth, C32

- Air Bag system earth, C50 B

Battery negative wiring:

- battery earth on engine (on gearbox), C02

- battery earth on bodyshell, C03 A, C03 B

Engine wiring:

- earth on engine, C40 B, C40 C, (petrol engine only)

- compressor earth, C39 (only engine 3.2 V6 version)

HIFI amplifier wiring:

- earth for amplifier, C56

Air conditioning wiring:

- air conditioning unit earth, C16

1.9 JTS, 2.2 JTS, 3.2 JTS, 1.9 JTD 8V, 1.9 JTD 16V, 2.4 JTD 20V · up to 12/05

FUNCTIONAL DESCRIPTION

The earths present on the vehicle, categorised according to their relationship with the various wires, are as follows.

Radiator wiring:

- battery earth, C01 A

Front wiring:

- left front earth, C10

- right front earth, C11

- ABS front earth (on left corner), C12

- earth on engine, C40

Dashboard wiring:

- passenger side facia earth, C20 A, C20 B

- Air Bag system earth, C50 A

Rear wiring:

- driver''s dashboard earth, C 15

- left rear earth, C30

- right rear earth, C31

- heated rear windscreen earth, C32

- Air Bag system earth, C50 B

Battery negative wiring:

- battery earth on engine (on gearbox), C02

- battery earth on bodyshell, C03 A, C03 B

Engine wiring:

- earth on engine, C40 B (petrol engine only)

HIFI amplifier wiring:

- earth for amplifier, C56

Air conditioning wiring:

- air conditioning unit earth, C16

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