A4 Sedan V6-3.2L (BKH) (2007)
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If the specified value was obtained:
Checking voltage
Switch the ignition on.
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Using a Multimeter, check the Fuel Metering Valve (N290) electrical harness connector terminal 1 to Ground (GND) for voltage.
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Switch the ignition off.
Specified value: battery voltage.
If the specified value was not obtained:
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Check the wiring from the Fuel Metering Valve ( N290) electrical harness connector terminal 1 to the Engine Component Power Supply Relay
(J757) terminal 2/87 for a short circuit to Ground (GND), or an open circuit.
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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 no malfunctions are found in the wiring:
Checking wiring connections
If the manufacturers test box is being used. Perform the following step.
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Install the test box. Refer to Fuel Injection and Ignition 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) (J623 ). Refer to => [ ECM, Removing and Installing ] See: Computers and Control Systems/Engine
Control Module/Service and Repair/ECM, Removing and Installing.
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Using a multimeter, check the Fuel Metering Valve (N290) electrical harness connector terminal 2 to the Engine Control Module (ECM) (J623)
electrical harness connector T60 terminal 45 for an open circuit.