Touareg V6-3.2L (BMX) (2005)
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Switch ignition on.
Specified value: at least 4.5 V
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Switch ignition off.
If there is no voltage:
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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 (G70) with Intake Air Temperature (IAT) Sensor (G42) (arrow).
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Connect test box.
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Check wires between test box and 5-pin connector for open circuit according to wiring diagram.
