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Home >> Infiniti >> 2011 >> M37 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Electrical Load Signal >> Diagnosis Procedure

Diagnosis Procedure

  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 "WORK FLOW ".

    INSPECTION END

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