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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Heater & Air Conditioning Control System) >> DTC/Circuit Diagnosis >> Inside Odor Detecting 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 INSIDE ODOR DETECTING SENSOR FUNCTION 
    1. Operate fan switch. Set fan speed to 7th speed.
    2. Check that voltage between A/C auto amp. vehicle side harness connector and body ground changes when cigarette smoke or similar substance is applied to air inlet.
      + - Voltage (Approx.)
      A/C auto amp.
      Connector Terminal
      M67 36 Ground 0 - 4.8 V
      Output voltage differs depending on measurement environment of the vehicle.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Refer to "DIAGNOSIS PROCEDURE ".

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