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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> DTC P0101: MAF Sensor >> Overall Function Check >> Procedure For Malfunction B >> With GST
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With GST

  1. Turn ignition switch ON.
  2. Start engine and warm it up to normal operating temperature.
  3. Select MODE 1 with GST.
  4. Check the mass air flow sensor signal with MODE 1.
  5. Check for linear mass air flow sensor signal value rise in response to increases to about 4, 000 RPM in engine speed.
    6. Fig 1: Selecting Mode 1 With GST
    G00776922Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If NG, go to "DIAGNOSTIC PROCEDURE ".
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