LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P31A5 >> DTC P0506: ISC System >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK INTAKE AIR LEAK
    1. Perform "INSPECTION MODE 1". Refer to "DESCRIPTION ".
    2. Start engine and let it idle.
    3. Listen for an intake air leak after the mass air flow sensor.

      Is intake air leak detected? 

      YES: Discover air leak location and repair.

      NO: GO TO 2.

  2. REPLACE ECM
    1. Stop engine.
    2. Replace ECM. Refer to "REMOVAL AND INSTALLATION ".
    3. Go to "WORK PROCEDURE ".

      : INSPECTION END