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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Exterior Lighting System) >> DTC/Circuit Diagnosis >> Optical Sensor >> Component Function Check
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Component Function Check

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK OPTICAL SENSOR SIGNAL BY CONSULT 

    CONSULT DATA MONITOR

    1. Turn ignition switch ON.
    2. Select "OPTISEN (DTCT)" of BCM (HEADLAMP) data monitor item.
    3. Turn lighting switch AUTO.
    4. With the optical sensor illuminating, check the monitor status.
      Monitor item Condition Voltage (Approx.)
      OPTISEN (DTCT) Optical sensor When illuminating 3.1 V or more (1)
      When shutting off light 0.6 V or less
      (1) Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.

      Is the inspection result normal? 

      YES: Optical sensor is normal.

      NO: Refer to "DIAGNOSIS PROCEDURE ".