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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Air LEVELIZER Control System >> DTC/Circuit Diagnosis >> DTC C1801: VHCL Height Sensor >> Component Inspection

Component Inspection

  1. CHECK VEHICLE HEIGHT SENSOR
    1. Remove the vehicle height sensor. Refer to "REMOVAL AND INSTALLATION ".
    2. Check resistance between vehicle height sensor connector terminals.
      RESISTANCE REFERENCE CHART

      Vehicle height sensor Condition Resistance (Approx.)
      Terminal
      1 2 A position 1.9 - 3.0 kΩ
      B position 320 - 680 Ω
      1 3 Always 1.6 - 2.4 kΩ
      2 3 A position 320 - 680 Ω
      B position 1.9 - 3.0 kΩ
      Fig 1: Removing Vehicle Height Sensor
      G07045754Courtesy of NISSAN MOTOR CO., U.S.A.

    Are the inspection results normal? 

    YES:

    1. Install the vehicle height sensor. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform "STANDARD VEHICLE HEIGHT SETTING". Refer to "WORK PROCEDURE ".

    NO: Replace the vehicle height sensor. Refer to "REMOVAL AND INSTALLATION ".