volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Sensor, Checking|Page 2402 > < Fuel Pressure Sensor, Checking|Page 2400
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Fuel Pressure Sensor/Switch: Testing and Inspection
Low Fuel Pressure Sensor, Checking

Low Fuel Pressure Sensor, Checking

Special tools, testers and auxiliary items required

‹› Multimeter

‹› wiring diagram

Test requirements

‹› Fuel Pump (FP) Control Module (J538) OK. 

‹› The fuel filter OK.

‹› The fuses for the engine electronics OK.

‹› The parking brake engaged.

‹› The battery voltage at least 12.5 V.

‹› The selector lever of automatic transmission in position "P" or " N".

‹› 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

-

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

Start diagnosis

Procedure

-

Remove engine cover - arrows -.

Checking voltage

-

Disconnect the electrical harness connector - 2 - from  the Low Fuel Pressure Sensor (G410).

Fuel Pressure Sensor, Checking|Page 2402 > < Fuel Pressure Sensor, Checking|Page 2400