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Checking voltage supply Volkswagen Jetta V

2.0L - Generic Scan Tool - Engine Code(s): Cbfa (Sedan) (A5 Platform) 2 illustrations ~109 words

Checking voltage supply

Disconnect the Mass Air Flow (MAF) Sensor -G70- electrical harness connector -1-.

Scheme 95

Scheme 95: Checking voltage supply
Scheme 95: Checking voltage supply

Start the engine and let it run at idle.

Using a multimeter, check the Mass Air Flow (MAF) Sensor -G70- electrical harness connector terminal 3 to engine Ground (GND).

Scheme 96

Scheme 96
Scheme 96

Specified value: battery voltage.

Switch the ignition off.

If the specified value was Not obtained

Remove the fuse 1 in Fuse Panel C. Check the Mass Air Flow (MAF) Sensor -G70- electrical harness connector terminal 3 to Fuse 1 in Fuse Panel C for an open circuit.

Specified value: 1.5 ohms max.

If the specified value was obtained