audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Evaporative Emission Control Canister|Testing and Inspection|Page 6482 > < Evaporative Emission Control Canister|Testing and Inspection
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Connect VAG 1598/19 test box to ECM.

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Check following wiring connections for continuity.

Sensor -G172- connector

VAG 1598/19 test box

terminal number

 socket number

1

C2

3

CB

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If necessary, eliminate open or short in wiring.

If wiring is OK and there is not at least 5 volts at the sensor harness connector:

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Replace ECM.

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Check wiring for continuity between harness connector and ECM.

Sensor -G112- connector

VAG 1598/19 test-box 

terminal number

socket number

2

B16

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If necessary, eliminate open or short in wiring.

If wiring is OK:

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Replace sensor for EVAP canister -G172-.

Evaporative Emission Control Canister|Testing and Inspection|Page 6482 > < Evaporative Emission Control Canister|Testing and Inspection