Signal Circuit Inspection

2009 Hyundai Tucson Limited, 2.0 BSECTION Signal Circuit Inspection
  1. Check for open in signal harness.
    1. Disconnect PCM connector.
    2. Measure resistance between terminals 2 of sensor harness connector and 29 of the PCM harness connector.

      Specification :  Approx. 0Ω

      Fig 1: Measuring Resistance Between Terminals 2 Of Sensor Harness Connector And PCM Harness Connector
      G06206501Courtesy of HYUNDAI MOTOR AMERICA
    3. Is resistance within the specification?

      YES 

      • Go to next step as below.

      NO 

  2. Check for short to ground in signal harness.
    1. Measure resistance between terminal 2 of sensor harness connector and chassis ground.

      Specification :  Infinite

      Fig 2: Measuring Resistance Between Terminal 2 Of Sensor Harness Connector And Chassis Ground
      G06206502Courtesy of HYUNDAI MOTOR AMERICA
    2. Is resistance within the specification?

      YES 

      • Go to next step as below.

      NO 

  3. Check for short to power in signal harness.
    1. Ignition "ON" & Engine "OFF".
    2. Measure voltage between terminal 2 of the sensor harness connector and chassis ground.

      Specification :  Approx. 0V

      Fig 3: Measuring Voltage Between Terminal 2 Of Sensor Harness Connector And Chassis Ground
      G06206503Courtesy of HYUNDAI MOTOR AMERICA
    3. Is voltage within the specification?

      YES 

      NO 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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