Open Check

2009 Hyundai Tucson Limited, 2.0 BSECTION Open Check
  1. Ignition "OFF" & Engine "OFF".
  2. Disconnect HECU and ECM connector.
  3. Measure resistance between CAN HIGH, LOW terminal of the HECU harness connector and CAN HIGH, LOW terminal terminal of the ECM harness connector.

    Specification :  Approx. 0Ω

  4. Is the measured resistance within specifications?

    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.