2003 Kia Spectra Base, AutomaticFACTORY OEM SERVICE PROCEDURE

ECM Control Relay (Optima & Magentis (Canadian) 2.4L)

  1. Remove ECM control relay located in vehicle right side of dash. See Fig 1. Check for continuity between relay terminals No. 1 and No. 3. See Fig 2. If continuity does not exist, go to next step. If continuity exists, replace relay.
  2. Check for continuity between relay terminals No. 4 and No. 6. See Fig 2. If continuity does not exist, go to next step. If continuity exists, replace relay.
  3. Connect a jumper wire between positive battery terminal and relay terminal No. 5. Connect another jumper wire between negative battery terminal and relay terminal No. 7. Check continuity between relay terminals No. 1 and No. 3. If continuity exist, go to next step. If continuity does not exist, replace relay.
  4. Connect a jumper wire between positive battery terminal and relay terminal No. 6. Connect another jumper wire between negative battery terminal and relay terminal No. 8. Check for battery voltage at terminal No. 4 . Voltage should exist. If battery voltage does not exist, replace relay.
Fig 1: Locating ECM Control, Fuel Pump & Main Relays (Optima & Magentis (Canadian) 2.4L & 2.7L)
G00102662Courtesy of KIA MOTORS AMERICA, INC.
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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.