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

Powertrain Management > Computers and Control Systems > Air Flow Meter/Sensor > Component Information > Locations > Page 2930

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Air Flow Meter/Sensor: Testing and Inspection

Diagnostic Procedures

Mass Air Flow Sensor, Checking

‹› Use only gold-plated terminals when servicing terminals in harness connector of Mass Air Flow (MAF) Sensor (G70). 

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹›  The Mass Air Flow (MAF) Sensor (G70) fuse 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.

‹› Coolant Temperature at least 80° C.

‹› Ignition switched off.

Test procedure

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

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

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

Start diagnosis

Function test

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Connect the scan tool.

Powertrain Management > Computers and Control Systems > Air Flow Meter/Sensor > Component Information > Locations > Page 2930

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