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Home >> Nissan-Datsun >> 2005 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Qr25DE >> DTC P0101: MAF Sensor >> Overall Function Check >> With GST
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With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Select "Service doller 01" with GST.
  3. Check the mass air flow sensor signal with "Service doller 01".
  4. Check for linear mass air flow sensor signal value rise in response to increases to about 4,000 RPM in engine speed.
  5. If NG, go to "DIAGNOSTIC PROCEDURE ".
Fig 1: Malfunction B Chart
G02524883Courtesy of NISSAN MOTOR CO., U.S.A.
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