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Audi Workshop Service and Repair Manuals

Electrical, Checking|Page 3481 > < MIL ON - DTC 4431 Idle Air Control Valve Set
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Idle Air Control Valve: Customer Interest
Electrical, Checking

ELECTRICAL, CHECKING

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disconnect harness connector (arrow) from Idle Air Control valve (N71) 

^

resistance must be 7 to 11

NOTE

With engine at room temperature the resistance value will be in the lower tolerance range. With engine at operating temperature, the resistance value
will be in the upper tolerance range.

If NO

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replace Idle Air Control valve

Electrical, Checking|Page 3481 > < MIL ON - DTC 4431 Idle Air Control Valve Set