Monitor Scantool Data

Connect scantool to Data Link Connector (DLC).
Warm up the engine to normal operating temperature.
Monitor the "MAF VOLTAGE" parameter on scantool.
1. Specification:
1. Approx. 900 mV at IG KEY: ON & Engine: OFF
2. Approx. 1,300 mV ~ 1,500 mV at idle (no load)
3. Approx. 1,700 mV ~ 1,900 mV at 2000 RPM (no load)
  
  Fig 1: Scantool Display - Sensor Data At Idle
  
  Fig 2: Scantool Display - Sensor Data At 2000 RPM
  
  Fig 3: Scantool Display - Sensor Data At 3000 RPM
  
  Fig 4: Scantool Display - Sensor Data At Open In Signal Circuit
Is the sensor's signal within specification?
YES
1. Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
1. Go to "W/HARNESS INSPECTION " procedure.