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volkswagen Workshop Repair Guides


New Beetle L4-2.0L (AZG) (2003)

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Air Flow Meter/Sensor > Component Information > Testing and Inspection > With Manufacturer's Scan Tool > Page 1002

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Check wiring for open circuit between test box and 5-pin connector using wiring diagram.
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Terminal 5 + socket 29

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Terminal 4 + socket 53

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Terminal 3 + socket 27 

Wire resistance: Max. 1.5 Ohms

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Additionally check wires all for short to one another.
Specification: Infinity Ohms

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Check wiring additionally for short circuit to battery positive/Ground.

If no wiring problem is detected:

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Replace Mass Air Flow (MAF) sensor (G70).

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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes 

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Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes 

Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Air Flow Meter/Sensor > Component Information > Testing and Inspection > With Manufacturer's Scan Tool > Page 1002

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