audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Campaign - Replace Ignition Coils|Page 4132 > < Campaign - Replace Ignition Coils|Page 4130
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Connect voltage tester V.A.G 1527 B as follows:

Harness connector terminal

Measure to

2

B+

4

B+

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LED must light.

If LED does not light:

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Check the wire connections.

If LED lights:

Checking voltage supply

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Connect multimeter for voltage measurement as follows:

Harness connector terminal

Measure to

1

Engine Ground (GND)

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Turn ignition on.
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Specified value: approx. battery voltage

If specified value is not obtained:

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Check the wire connections.

If the specified value is met:

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Check activation of the power output stage.

Checking activation of the power output stage

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Remove connectors from all four fuel injectors.

NOTE:  Fuel must not be injected in order to avoid damage to the catalytic converter. Therefore the connectors must be removed from the fuel injectors.

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Remove 4-pin connector from the ignition coil.

Campaign - Replace Ignition Coils|Page 4132 > < Campaign - Replace Ignition Coils|Page 4130