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HOMESERVICE MANUALSKIA2024NIRO EXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSPOWER DOOR LOCKS (HEV)POWER DOOR LOOK MODULEINSPECTIONTAILGATE LOCK MODULE
2024 Kia Niro EX

Tailgate Lock Module

2024 Kia Niro EXSECTION Tailgate Lock Module
  1. Remove the tailgate lid trim. (Refer to Body - "TAILGATE LID TRIM ")
  2. Disconnect the tailgate latch connector.
    G15773194Courtesy of KIA MOTORS AMERICA, INC.
    TERMINAL FUNCTION DESCRIPTION (POWER TAILGATE)

    Terminal Function
    1 Motor (-)
    2 Motor (+)
    3 Switch (REF)
    4 COM
    5 Switch (AJAR)
    6 Switch (HOME)
    7 COM
    8 Switch (PAWL)
  3. Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly.
    TERMINAL FUNCTION DESCRIPTION (LOCK)

    Terminal Function
    Un Latching Un Latching → Half Latching Half Latching → Full Latching Full Latching → Return Return position
    2 X - - + X
    1 + +  
    7-8 ON ON → OFF OFF OFF OFF
    6-7 ON ON ON ON → OFF OFF
    4-5 ON ON ON → OFF OFF OFF
    3-4 ON ON ON → OFF OFF OFF
    TERMINAL FUNCTION DESCRIPTION (OPEN)

    Terminal Function
    Un Latching Full Latching → Un Latching Un Latching → Return Return position
    2 X + - X
    1 - +
    7-8 OFF OFF → ON ON ON
    6-7 OFF OFF → ON ON → OFF OFF → ON
    4-5 OFF OFF → ON ON ON
    3-4 OFF OFF → ON ON ON
    G15773195Courtesy of KIA MOTORS AMERICA, INC.
    TERMINAL FUNCTION DESCRIPTION (NON-POWER TAILGATE)

    Terminal Function
    Full Lock Half Lock Full Open
    1 + + X
    3 - - X
    2-4 OFF OFF ON
    5-4 OFF ON ON


  1. Remove the tailgate lid trim. (Refer to Body - "TAILGATE LID TRIM ")
  2. Disconnect the tailgate latch connector.
    G15773198Courtesy of KIA MOTORS AMERICA, INC.
    TERMINAL FUNCTION DESCRIPTION (POWER TAILGATE)

    Terminal Function
    1 Motor (-)
    2 Motor (+)
    3 Switch (REF)
    4 COM
    5 Switch (AJAR)
    6 Switch (HOME)
    7 COM
    8 Switch (PAWL)
  3. Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly.
    TERMINAL FUNCTION DESCRIPTION (LOCK)

    Terminal Function
    Un Latching Un Latching → Half Latching Half Latching → Full Latching Full Latching → Return Return position
    2 X - - + X
    1 + + -
    7-8 ON ON → OFF OFF OFF OFF
    6-7 ON ON ON ON → OFF OFF
    4-5 ON ON ON → OFF OFF OFF
    3-4 ON ON ON → OFF OFF OFF
    TERMINAL FUNCTION DESCRIPTION (OPEN)

    Terminal Function
    Un Latching Full Latching → Un Latching Un Latching → Return Return position
    2 X + - X
    1 - +
    7-8 OFF OFF → ON ON ON
    6-7 OFF OFF → ON ON → OFF OFF → ON
    4-5 OFF OFF → ON ON ON
    3-4 OFF OFF → ON ON ON
    G15773199Courtesy of KIA MOTORS AMERICA, INC.
    TERMINAL FUNCTION DESCRIPTION (NON-POWER TAILGATE)

    Terminal Function
    Full Lock Half Lock Full Open
    1 + + X
    3 - - X
    2-4 OFF OFF ON
    5-4 OFF ON ON
RENDER: 1.0x

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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.