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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Component Diagnosis >> Trouble Diagnosis For Intermittent Incident >> Diagnosis Procedure
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Diagnosis Procedure

  1. INSPECTION START

    Erase (1st trip) DTCs. Refer to "DTC INDEX ".

    GO TO 2.

  2. CHECK GROUND TERMINALS

    Check ground terminals for corroding or loose connection.

    Refer to "GROUND INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair or replace.

  3. SEARCH FOR ELECTRICAL INCIDENT

    Perform "HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT ", "INCIDENT SIMULATION TESTS".

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace.

  4. CHECK CONNECTOR TERMINALS

    Refer to "HOW TO CHECK TERMINAL ", "HOW TO PROBE CONNECTORS", "How to Check Enlarged Contact Spring of Terminal".

    Is the inspection result normal? 

    YES: INSPECTION END 

    NO: Repair or replace connector.