626 ES V6-2.5L DOHC (1997)
7. Select the PID/DATA MONITOR AND RECORD function of the New Generation Star (NGS) tester.
8. Select "VAF V,' on the NGS display. NGS measures and shows the voltage.
NGS Volume Air Flow Sensor Specifications
9. If not as specified, perform following inspections.
Harness continuity.
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Between Powertrain Control Module (PCM) terminal 3E and volume air flow sensor terminal A
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Between PCM terminal 3A and volume airflow sensor terminal B
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Between PCM terminal 3AB and volume air flow sensor terminal C
Terminal voltage
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Volume air flow sensor terminal B voltage: approx. 5 V
10. If there is incorrect terminal voltage or harness continuity, replace the volume air flow sensor.
NOTE: The scan tool shows the volume air flow rate and load value.