Air Flow Meter/Sensor: Testing and Inspection

INSPECTION

Caution:
^ Do not drop or subject the sensor to sharp shock.
^ Do not put or allow anything in the sensor.

1. Disconnect the mass air flow sensor connector.




2. Remove the mass air flow sensor.




3. Check for damage of the sensor.
4. Reconnect the mass air flow sensor.
5. Disconnect the PCM connector.
6. Connect the SST NGS to the DLC.
7. Select the PID/DATA monitor and record function of the NGS.
8. Select MAF sensor on the NGS display. NGS measures and shows the voltages.







9. If not as specified, replace the mass air flow sensor.