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Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Electrical Load Signal >> Diagnosis Procedure

Diagnosis Procedure

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  1. INSPECTION START

    Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to "COMPONENT FUNCTION CHECK ".

    Which circuit is related to the incident? 

    Rear window defogger: GO TO 2.

    Headlamp: GO TO  3.

    Heater fan: GO TO  4.

  2. CHECK REAR WINDOW DEFOGGER SYSTEM

    Refer to "WORK FLOW ".

    : INSPECTION END

  3. CHECK HEADLAMP SYSTEM

    Refer to "WORK FLOW ".

    : INSPECTION END

  4. CHECK HEATER FAN CONTROL SYSTEM

    Refer to "DIAGNOSIS AND REPAIR WORK FLOW ".

    : INSPECTION END

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