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

Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector > Component Information > Testing and Inspection > Fuel Injector, Checking

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Fuel Injector: Testing and Inspection
Fuel Injector, Checking

Diagnostic Procedures

Fuel Injector, Checking

Test requirements

‹› Multimeter

‹› 12 V Diode test lamp.

‹› Wiring diagram.

Test requirements

‹›  The Fuel Injectors (N30, N31, N32, N33, N83, N84) fuses OK.

‹› The Engine Speed (RPM) Sensor (G28) OK, checking.

‹› 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.

Test procedure

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

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

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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

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Disconnect the fuel injector electrical harness connectors from Fuel Injectors (N30, N31, N32, N33, N83, N84).

Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector > Component Information > Testing and Inspection > Fuel Injector, Checking

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