New Beetle L4-1.8L Turbo (AWV) (2005)
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Connect multimeter to terminal 4 of connector and engine Ground (GND) for voltage measurement.
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Switch ignition on.
Specified value: at least 4.5 V
If there is no voltage:
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Switch ignition off.
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Check signal and Ground (GND) wires of Mass Air Flow (MAF) sensor.
Checking signal and Ground wires of Mass Air Flow (MAF) Sensor
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Disconnect 5-pin connector from Mass Air Flow (MAF) Sensor 2 -G70- (arrow).
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Connect test box to control module wiring harness. connect test box for wiring test. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
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Check wires between test box and 5-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 3 + socket 27
Terminal 4 + socket 53
