Workshop Repair Manuals

Volkswagen Workshop Manuals

[PREV PAGE] [NEXT PAGE]

volkswagen Workshop Repair Guides


Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pressure Regulator > Component Information > Testing and Inspection

Page 1
background image

Fuel Pressure Regulator: Testing and Inspection

Diagnostic Procedures

Fuel Pressure Regulator Valve N276, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹› Fuse (SB33) 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

-

Observe safety precautions. Refer to => [ Safety Precautions ] See: Computers and Control Systems/Service Precautions/Safety Precautions

-

Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Computers and Control Systems/Service Precautions/Clean
Working Conditions

-

Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.

Checking resistance

-

Disconnect the Fuel Pressure Regulator Valve (N276) electrical harness connector - 2 -.

-

Using a multimeter, check the Fuel Pressure Regulator Valve (N276) terminals 1 to 2 for resistance.

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pressure Regulator > Component Information > Testing and Inspection

[PREV PAGE] [NEXT PAGE]