Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Control System - DTCS P0460 To P1421) >> DTC P0506 ISC System >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2010 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INTAKE AIR LEAKAGE
    1. Start engine and let it idle.
    2. Listen for an intake air leakage after the mass air flow sensor.

    OK or NG 

    OK: GO TO 2.

    NG: Discover air leakage location and repair.

  2. REPLACE ECM
    1. Stop engine.
    2. Replace ECM.
    3. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION ".
    4. Perform "VIN REGISTRATION ".
    5. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
    6. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
    7. Perform "IDLE AIR VOLUME LEARNING ".

    INSPECTION END