audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Evaporative Emission Control Canister > < EVAP System Leak Detection Circuit, Schematic Diagram|Page 10103
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Check following wire connection for open circuit and short circuit to Ground (GND) and B+:

Harness connector

VAG1598/31 test box

Terminal

Socket

2

64

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Repair open circuit or short circuit if necessary.

If wire connection is OK:

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Replace Engine Control Module (ECM).

Evaporative Emission Control Canister > < EVAP System Leak Detection Circuit, Schematic Diagram|Page 10103