Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Specification: 3.0 - 5.0 g/s
If expected value is obtained, but DTC memory has a DTC concerning Mass Air Flow (MAF) sensor:
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Check voltage supply of Mass Air Flow (MAF) sensor.
If specified value is not obtained:
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Check signal and ground wires of Mass Air Flow (MAF) sensor.
If the specified value is met:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.
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Switch ignition off.
Checking Voltage Supply for Mass Air Flow (MAF) Sensor
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Start engine, and let it idle.
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Pull 4-way connector oft Mass Air Flow (MAF) sensor.
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Connect multimeter to terminal 3 of connector and engine Ground (GND) to make voltage measurement.
Specification: 11-15 V
NOTE: Voltage is supplied to Mass Air Flow (MAF) sensor from Fuel Pump (FP) relay.
If there is no voltage:
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Switch ignition off.
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Check wire connection from terminal 3 to Fuel Pump (FP) relay (J17) (see wiring diagram).
If voltage supply and wires are in order:
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Switch ignition on.
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Connect multimeter to terminals 2 and 3 of connector to make voltage measurement.
Specification: 4.5-5.5 V
If there is no voltage:
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Switch ignition off.
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Check signal and ground wires.
Checking Signal and Ground Wires for Mass Air Flow (MAF) Sensor