2004 Kia Spectra Base, 1.8 2, AutomaticFACTORY OEM SERVICE PROCEDURE

Main Relay: Inspection

  1. Remove cover from main fuse block.
  2. Place a finger on main relay.
  3. Verify that relay clicks when ignition switch is turned ON.
    Fig 1: Illustrating Main Relay Connectors & Terminals
    G02537041Courtesy of KIA MOTORS AMERICA, INC.
  4. Verify that main relay clicks when ignition switch is turned ON and OFF.
  5. Apply battery voltage (B+) to terminal 3 and ground terminal 5 of the relay.
  6. Check continuity of relay as shown.
    MAIN RELAY CONTINUITY

    Terminals B+ applied B+ not applied
    3 - 5 Continuity No continuity
  7. If not as specified, replace main relay.
  8. Turn ignition switch OFF.
  9. Replace the cover on main fuse block.
    Fig 2: Illustrating Main Relay Position
    G02537042Courtesy 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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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