audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Canister Purge Control Valve|Testing and Inspection|Page 4644 > < Canister Purge Control Valve|Testing and Inspection|Page 4642
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Operate the starter briefly.

Specified value: battery voltage.

If the specified value was not obtained:

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Using a Multimeter, check the electrical harness connector terminal 1 to Ground (GND) for voltage.

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Operate the starter briefly.

Specified value: battery voltage.

If the specified value is not obtained:

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Check the wiring connection from the electrical harness connector terminal 1 to the Engine Component Power Supply Relay ( J757) terminal 2/87
for an open circuit or short to Ground (GND). 

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Check the electrical harness connector for damage, corrosion, lose or broken terminals.

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If necessary, repair the wiring connection.

If the specified value was obtained:

Check Ground (GND) activation 

Canister Purge Control Valve|Testing and Inspection|Page 4644 > < Canister Purge Control Valve|Testing and Inspection|Page 4642