nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Throttle Position Sensor > < Diagnostic Trouble Code Tests and Associated Procedures|Page 427
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Air Flow Meter/Sensor: Component Tests and General Diagnostics

Mass Air Flow Sensor Test

1.

Pull back the rubber insulator on the air flow meter connector.

2.

Start engine and warm to operating temperature.

3.

Using a volt meter, check voltage between terminal B and ground.
There should be:

1.5 - 2.0 volts at idle.
Less than 1.0 volt w/key on and engine stopped.

4.

If not, check the hot wire for damage or dust and replace the meter if faulty.

Throttle Position Sensor > < Diagnostic Trouble Code Tests and Associated Procedures|Page 427