New Beetle L4-1.9L DSL Turbo (BEW) (2006)
Specified value: 5V
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Switch the ignition off.
If specified value was not obtained:
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Check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminal 3 to The Diesel Direct Fuel Injection (DFI) Engine Control
Module (ECM) (J248) electrical harness connector T80/4 for an open circuit.
Specified value: 1.5 ohms max.
If the specification was not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and if the voltage supply was OK:
Checking Ground (GND)
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Using a multimeter, check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminal 5 to engine Ground (GND) for resistance.
Specified value: 1.5 ohms max.
If the specification was not obtained: