audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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Remove rear engine cover (arrows).

Checking internal resistance

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Disconnect harness connector from Secondary Air Injection (AIR) Solenoid Valve -N112- (arrow).

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Connect multimeter at valve for resistance measurement.
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Specified value: 25 ... 35 Ohm

If specified value is not obtained:

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Replace Secondary Air Injection (AIR) Solenoid Valve -N112-.

If specified value is obtained:

Checking voltage supply

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