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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Lighting System) >> Auto Leveling Sensor Inspection

Auto Leveling Sensor Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Remove the auto leveling sensor. (See AUTO LEVELING SENSOR REMOVAL/INSTALLATION .)
  3. Prepare three dry cell batteries (1.5 V).
  4. Connect the three dry cell batteries in a series.
    Fig 1: Dry Cell Battery
    G11449438Courtesy of MAZDA MOTORS CORP.
  5. Connect the positive pole of the dry cell batteries to auto leveling sensor terminal C, and the negative pole to terminal A.
    Fig 2: Connecting Positive Pole Of Dry Cell Battery
    G11449439Courtesy of MAZDA MOTORS CORP.
  6. Connect the tester as shown in the figure with approx. 4.5 V of voltage applied between auto leveling sensor terminals A and C, and measure the voltage at auto leveling sensor terminal B.
    Fig 3: Connecting Tester Of Auto Leveling Sensor
    G11449440Courtesy of MAZDA MOTORS CORP.
  7. Verify that the voltage fluctuates linearly between 0.5-4.5 V as shown in the figure when slowly moving the auto leveling sensor link upward or downward.
    Fig 4: Auto Leveling Sensor With Vehicle Height
    G11449441Courtesy of MAZDA MOTORS CORP.
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