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HOMESERVICE MANUALSHYUNDAI2024KONA LIMITED, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 27 (ENGINE CONTROL SYSTEM DIAGNOSIS - 2.0 (10 OF 15))DTC P0606-00: ECM/PCM PROCESSORDTC INSPECTIONINSPECTION FOR PCM POWER CIRCUIT OPEN/SHORT CIRCUIT
2024 Hyundai Kona Limited, 4WD

Inspection For PCM Power Circuit Open/Short Circuit

2024 Hyundai Kona Limited, 4WDSECTION Inspection For PCM Power Circuit Open/Short Circuit
WARNING: This page is about a different variant/trim than selected.
  1. Turn IGN Switch OFF.
  2. Disconnect the PCB block "PCB-C" connector and the PCM connector.
  3. Using a multi-tester, check the resistance of the power side terminal of the "PCB-C" connector and the body ground to check whether the wiring is short-circuited.
  4. Using a multi-tester, check the resistance between the "PCB-C" connector power side terminal and the PCM power terminal to check if the wiring is disconnected.
  5. Check the resistance to check for disconnection or short-circuiting of the wiring line on the PCM engine control relay ON power side.

    Information 

    If the resistance value is measured during short-circuit inspection, short-circuit with peripheral parts/wiring can be suspected.

    While shaking the wiring, Inspection For short-circuit area through the change value of resistance.

    Information 

    If excessive resistance is measured during disconnection inspection, short-circuit with other wiring/wiring failure/intermediate connector failure are suspected.

    In this case, a problem could occur as normal voltage/current is not energized to the circuit.

    Locate the faulty part through inspection, and repair it.

    List of Inspection Normal value Inspection Condition Probe (+) Probe (-)
    PCB Block ←→ PCM
    Short to wiring harness    		 Infinity (∞) Ω
    1. IGN Switch "OFF"
    2. Separation of PCB block PCB-C connector
    3. Separation of PCM connector
    		 PCB block PCB-C connector side
    2. Main relay "ON" power     		 Chassis Ground 
List of Inspection Normal value Inspection Condition Probe (+) Probe (-)
PCB Block ←→ PCM
Open in wiring harness		 Approx. 1Ω or below
  1. IGN Switch "OFF"
  2. Separation of PCB block PCB-C connector
  3. Separation of PCM connector
 PCB block PCB-C connector side
2. Main relay "ON" power 		 PCM Connector side
1. Main relay "ON" power 
PCB Block ←→ PCM
Open in wiring harness		 PCB block PCB-C connector side
2. Main relay "ON" power 		 PCM Connector side
2. Main relay "ON" power 

OK 

Go to "Inspection For PCM Ground Circuit"  procedure.

NG 

Repair the wiring and replace the assembly.

If there is no problem with the wiring, Inspection For PCM.

Go to "Final DTC checking"  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.