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Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> Engine Performance >> System >> 2004.5 - Engine Control System - Introduction - Sedan >> Trouble Diagnosis For Intermittent Incident >> Diagnostic Procedure

Diagnostic Procedure

  1. INSPECTION START 

    Erase (1st trip) DTCs. Refer to "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION ".

    1. : GO TO 2.
  2. CHECK GROUND TERMINALS 

    Check ground terminals for corroding or loose connection.

    Refer to HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELE , CIRCUIT INSPECTION , GROUND INSPECTION .

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair or replace.
  3. SEARCH FOR ELECTRICAL INCIDENT 

    Perform GI-26"How to Perform Efficient Diagnosis for an Electrical Incident""INCIDENT SIMULATION TESTS".

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace.
  4. CHECK CONNECTOR TERMINALS 

    Refer to HOW TO CHECK TERMINAL "HOW TO PROBE CONNECTORS & HOW TO CHECK ENLARGED CONTACT SPRING OF TERMI .

    OK or NG

    1. OK: INSPECTION END 
    2. NG: Repair or replace connector.
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