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Home >> Nissan-Datsun >> 2012 >> Quest LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Engine Control System - Component Testing) >> Electrical Load Signal >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  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

    Check rear window defogger system. Refer to "WORK FLOW ".

    INSPECTION END

  3. CHECK HEADLAMP SYSTEM

    Check headlamp system. Refer to "WORK FLOW " (XENON TYPE) or "WORK FLOW " (HALOGEN TYPE).

    INSPECTION END

  4. CHECK HEATER FAN CONTROL SYSTEM

    Check heater fan control system. Refer to "VENTILATION SYSTEM (FRONT AIR CONDITIONING) : SYSTEM DESCRIPTION ".

    INSPECTION END