2023 Kia Niro EXFACTORY OEM SERVICE PROCEDURE

Removal and Installation: Removal

WARNING:
  • When working on the high voltage system, the work should be performed by technicians who have completed the relevant training. A lack of understanding of the high voltage system can lead to serious accidents due to electric shock or short circuit.
  • When working on the high voltage system or related components, be sure to observe and be aware of the "HIGH VOLTAGE SYSTEM GENERAL SAFETY INFORMATION AND CAUTION ". If not, it may cause serious accidents due to electric shock or short circuit.
  • When working on the high voltage system, make sure to check the Personal Protective Equipment (PPE) and high voltage shut-off procedure.
  1. Turn the IG OFF and disconnect the low voltage (12 V) lithium battery (+) connector (A).

    Information 

    Disconnect the connector in the engine room to shut the 12 V power off since the SG2 HEV auxiliary battery (12 V) is integrated into the high voltage battery.

    G15767100Courtesy of KIA MOTORS AMERICA, INC.
  2. Disconnect the high voltage service interlock connector (A).
    WARNING: Wait more than 3 minutes for capacitor in the inverter to be discharged completely after disconnecting the high voltage service interlock connector.
    G15767101Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: The high voltage service interlock connector cannot be completely removed.
    G15767102Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the air cleaner assembly.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  4. Disconnect the Electronic Throttle Control (ETC) module connector (A).
    G15767103Courtesy of KIA MOTORS AMERICA, INC.
  5. Separate the ETC module (A) after removing the bolts.

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G15767104Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the ETC module (A) by separating the ventilation hose (B).
    G15767105Courtesy of KIA MOTORS AMERICA, INC.
Factory Service Tools

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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.