A6 Quattro Wagon V6-3.0L (AVK) (2002)
If valve does not open or close properly:
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Replace Secondary Air Injection (AIR) Solenoid Valve -N112-.
If valve does not click during output Diagnostic Test Mode (DTM):
Checking internal resistance
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Switch ignition off.
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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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Specification: 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:
Checking voltage supply
Test requirements:
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Fuse for Secondary Air Injection (AIR) OK
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Fuel Pump (FP) relay OK
NOTE: Voltage is supplied to Secondary Air Injection (AIR) Solenoid Valve -N112- via the Fuel Pump (FP) relay.