Jetta SportWagen L4-2.0L DSL Turbo (CBEA) (2009)
Fuel Pressure Regulator: Testing and Inspection
Fuel Pressure Regulator Metering Valve 2, Checking
Diagnostic Procedures
Fuel Pressure Regulator Metering Valve 2, Checking
Observe all safety precautions: --> [ Safety Precautions ]
View clean working conditions: --> [ Clean Working Conditions ]
Prior to repair work, perform a preliminary check to verify the condition. Refer to --> [ Preliminary Check ] See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Preliminary Check.
Use only gold-plated terminals when servicing any component with gold-plated electrical harness connector terminals.
For wiring diagrams, component locations, and connector views, Refer to the applicable wiring diagram.
Special tools, testers and auxiliary items required
‹› Multimeter
‹› Wiring diagram
Test requirements
‹› The Engine Speed (RPM) Sensor (G28) OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Start diagnosis
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Remove the engine cover.
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Disconnect the Fuel Pressure Regulator Metering Valve 2 (N290) electrical harness connector.
Checking internal resistance
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Using a multimeter, check the Fuel Pressure Regulator Metering Valve 2 (N290) terminals 1 to 2 for resistance.
Specified value: Near 3.2 ohms (± 1 ohm)
If the specified value was Not obtained:
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Replace the Fuel Pressure Regulator Metering Valve 2 (N290).
If the specified value was obtained:
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Turn the ignition switch ON.
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Connect a multimeter red lead to terminal 2 of the Fuel Pressure Regulator Metering Valve 2 (N290) and the black meter lead to ground and
measure the voltage.
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Turn the ignition switch OFF.
