ECM Control Relay (Optima & Magentis (Canadian) 2.4L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 Kia Sportage, 2002 Kia Spectra, 2002 Kia Sedona, 2002 Kia Rio, and 2002 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- 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.
- 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.
- 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.