S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Specified value: 22.0 to 30.0 ohms.
If the specified value was not obtained:
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Replace the Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80).
If the specification is obtained:
Checking voltage supply
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Using a Multimeter, check the electrical harness connector terminal 1 to Ground (GND) for voltage.
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Operate the starter briefly.
Specified value: battery voltage.
If the specified value was not obtained:
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Check the wiring connection from the Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) electrical harness connector terminal
1 to the Engine Component Power Supply Relay (J757) terminal 2/87 for an open circuit or short to ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.