audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Ignition Power Stage|Testing and Inspection|Page 3455 > < Understanding Track Style Wiring Diagrams, Important Stuff !|Page 3451
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Ignition Power Stage: Testing and Inspection

Ignition coil power stage, checking

Work sequence

Note  Check blue connecting wire and insulation from terminal 1 of ignition coil to switch module for any damage or corrosion. Repair if
necessary.

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Connect coil wire to ground with jumper wire

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Unplug connector from power stage (arrow) more

-

Connect voltmeter between terminal 1 of unplugged connector (green/white wire) and ground

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Ground terminal 2 of unplugged connector with jumper wire

CAUTION:  Be sure test lead connections are correct. If connections are reversed, engine control unit may be damaged.

Ignition Power Stage|Testing and Inspection|Page 3455 > < Understanding Track Style Wiring Diagrams, Important Stuff !|Page 3451