audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Air Injection Vacuum Control Solenoid Valve|Testing and Inspection|Page 7721 > < Vehicle Speed Sensor|Testing and Inspection
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Air Injection Vacuum Control Solenoid Valve: Testing and Inspection

Secondary Air Injection Solenoid Valve, Checking

Intake Manifold Change-Over Valve, Testing

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

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Perform a resistance measurement between terminals on valve using portable multimeter (VAG1526).

Specified value: 25 to 35 ohms

If specified value is not obtained.

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

If specified value is obtained.

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Check voltage supply.

Voltage Supply, Checking

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Connect voltage test lamp (VAG1527) between connector terminal 2 and engine Ground (GND) using adapter cables from connector test kit
(VAG1594).

Air Injection Vacuum Control Solenoid Valve|Testing and Inspection|Page 7721 > < Vehicle Speed Sensor|Testing and Inspection