System Inspection

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION System Inspection

Back-Up Voltage Inspection 

  1. Ignition "OFF"
  2. Disconnect ECM connector
  3. Ignition "ON"
  4. Measure voltage between terminal 6 of the ECM harness connector and chassis ground

    Specification: Remain stable at battery voltage

  5. Are circuits remaining stable at battery voltage?

    YES 

    • Using a GDS, check ECM software version and upgrade as necessary. If version is the newest one, check ECM for contamination, deterioration, or damage. Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair " procedure.

    NO 

    • If voltage fluctuates, check circuit for loose, bent or corroded terminals, Repair as necessary and go to "Verification of Vehicle Repair " procedure.
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.