Abs (Anti-Lock Brake System): G-Sensor: Inspection

2003 Hyundai Santa Fe Base, AutomaticSECTION Inspection
  1. Insert the probes of voltmeter to the back of the harness side of G-sensor connector 2 and 3.
  2. Turn the ignition switch to ON and check the output voltage of G-sensor.
    Fig 1: Checking Output Voltage Of G-Sensor
    G00789561Courtesy of HYUNDAI MOTOR CO.

    Standard value: 2.5V

  3. Secure the G-sensor so that the arrow mark of the sensor mounting surface is facing straight down, and then check the output voltage between terminal 2 and 3.
    Fig 2: Checking Output Voltage Of G-Sensor
    G00789562Courtesy of HYUNDAI MOTOR CO.

    Standard value: 3.5V

  4. In the case that the voltage is outside the standard value, and there is no abnormality in power supply and ground wires, replace the G-sensor
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.