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Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 >> DTC P0101 MAF Sensor >> Overall Function Check >> Procedure For Malfunction B >> With GST

With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Select Service $01 with GST.
  3. Check the mass air flow sensor signal with Service $01.
  4. Check for linear mass air flow sensor signal value rise in response to increases to approximately 4, 000 RPM in engine speed.
  5. If NG, go to "DIAGNOSIS PROCEDURE ".
Fig 1: Generic Scan Tool Display - MAF
G06302989Courtesy of NISSAN MOTOR CO., U.S.A.
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