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HOMESERVICE MANUALSHYUNDAI2022KONA ELECTRIC LIMITEDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLABS/ESC DIAGNOSIS (2 OF 2)DTC C2405-27: MOTOR ENCODER FAULTWIRING INSPECTIONPOWER & GROUND CIRCUIT INSPECTION
2022 Hyundai Kona Electric Limited

Power & Ground Circuit Inspection

2022 Hyundai Kona Electric LimitedSECTION Power & Ground Circuit Inspection
Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Power circuit (open/short): Voltage Battery voltage
  1. Ignition switch: On
 Power (+) terminal of IMEB harness connector Chassis ground
Ground circuit (open): Resistance Below 1.0Ω
  1. Ignition switch: Off.
  2. IMEB connector: Disconnected
 Ground (-) terminal of IMEB harness connector Chassis ground
  1. Is the result within specifications?

    YES 

    • Replace it with a new IMEB and check for proper operation. If problem is corrected, place the new IMEB and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check for open or blown fuse referring to "Circuit Diagram".
    • Repair open or short in power circuit between battery and IMEB harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    • Repair open or short in ground circuit between battery and IMEB harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE: * In a case of replacing IMEB, perform following functions.
  • "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C126104 ) -ESP (ESC) only
  • "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C128504 ) - ESP (ESC) only
  • "Variant Coding" for option coding (refer to C170204 ).
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.