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Home >> Mazda >> 1997 >> Protege ES L4-1839cc 1.8L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Flow Meter/Sensor >> Testing and Inspection >> Using the New Generation Star Tester
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Using the New Generation Star Tester

1. Check the mass air flow sensor for damage and cracks.

Special Service Tool New Generation Star Tester Connected to Data Link Connector 2:




2. Connect the Special Service Tools New Generation Star (NGS) tester to the data link connector 2.




3. Select the PID/DATA MONITOR AND RECORD function.
4. Select "MAF V" on the NGS display. The NGS measures and shows the voltage.




5. If not as specified, inspect the harness and connector between the mass air flow sensor and the PCM terminal.
6. If there is correct terminal voltage and harness continuity, replace the mass air flow sensor.




NOTE: The scan tool shows the mass airflow rate and load value.
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