Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSHYUNDAI2013GENESIS COUPE 2.0T PREMIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALSTARTERBUTTON ENGINE START SYSTEMPDM (POWER DISTRIBUTION MODULE)DTC B1989: ESCL GROUND SHORT CIRCUIT TO BATTERYPDM GROUND CIRCUIT INSPECTION

2013 Hyundai Genesis Coupe 2.0T Premium

PDM Ground Circuit Inspection

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION PDM Ground Circuit Inspection

Check short at ground terminal of PDM
1. IG "ON" & ENG "OFF".
2. Measure voltage between ESCL ground terminal of PDM and chassis ground.
  (Measure the voltage while ESCL doesn't work.)
  
  Specification: Approx. 0 V
  
  Fig 1: Measuring Voltage Between ESCL Power Terminal Of PDM And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
3. Is the measured voltage within specifications?
  YES
  - Go to "Check short to power on ESCL GND circuit " procedure.
  NO
  - Check open or short on the ground circuit between PDM and ESCL.
    Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR "
Check short to power on ESCL GND circuit
1. IG "ON" & ENG "OFF"
2. Disconnect the connectors of IPM, PDM, ESCL.
3. Measure voltage between ESCL ground terminal and chassis ground.
  Specification: Approx. 0 V
  
  Fig 2: Measure Resistance Between ESCL Power Terminal And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
4. Is the measured voltage within specifications?
  YES
  - Substitute with a known-good ESCL and check for proper operation.
    If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  - Substitute with a known-good PDM and check for proper operation.
    If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR ".

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.