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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0430 >> DTC P0101: MAF Sensor >> Overall Function Check >> Procedure For Malfunction B >> With GST
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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 about 4, 000 rpm in engine speed. 
  5. If NG, go to  " DIAGNOSTIC PROCEDURE  ". 
    Fig 1: Function Display
    G02372725Courtesy of NISSAN MOTOR CO., U.S.A.
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