R8 Quattro Coupe V10-5.2L (BUJ) (2010)
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Operate the starter briefly.
Specified value: battery voltage.
If the specified value was not obtained:
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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 2 (N333) electrical harness connector
terminal 1 to the Motronic Engine Control Module (ECM) Power Supply Relay (J271) terminal 2/30 for an open circuit or short to ground (GND).
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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If necessary, repair the wiring connection.
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box. Refer to appropriate repair information.
If the manufacturers test box is not being used, perform the following step.
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Remove the Engine Control Module (ECM) 2 (J624). Refer to appropriate repair information.
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Using a Multimeter, check the Evaporative Emission (EVAP) Canister Purge Regulator Valve 2 (N333) electrical connector terminal 2 to the
Engine Control Module (ECM) 2 (J624) electrical connector T94a terminal 9 for an open circuit.