TT Roadster L4-2.0L Turbo (BWA) (2009)
Fuel Pressure Regulator: Testing and Inspection
Fuel Pressure Regulator Valve (N276), checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Engine Control Module (ECM) ( J623) fuses OK.
‹› The fuel filter OK.
‹› The battery voltage at least 12.5 V.
‹› All electrical consumers switched off (radiator fan must NOT run during test).
‹› A/C switched off.
‹› The fuel tank at least 1/4 filled.
‹› The ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ replacing ] See: Computers and Control Systems/Engine Control
Module/Testing and Inspection/Engine Control Module (ECM) (J623).
Start diagnosis
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Remove the engine cover with air filter.
Checking resistance
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Disconnect the Fuel Pressure Regulator Valve ( N276) electrical harness connector - 2 -.
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Using a multimeter, check the Fuel Pressure Regulator Valve (N276) terminals 1 to 2 for resistance.