Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Control Relay Test (Accent, Elantra & Tiburon)
2003 Hyundai XG350 LSECTION Engine Control Relay Test (Accent, Elantra & Tiburon)
- Locate and remove engine control relay, see ENGINE CONTROL RELAY LOCATION table. Using fused jumper wire, apply battery voltage to relay terminal No. 2 (component side). See Fig 1. Using second fused jumper wire, ground relay terminal No. 4 (component side). Go to next step.
- With relay energized, check for continuity between relay terminals No. 5 and 1 (component side). Continuity should be present until voltage is disconnected. If continuity is not as specified, replace engine control relay.
ENGINE CONTROL RELAY LOCATION
| Application | Engine Control Relay Location |
|---|---|
| Accent | Under Left Side Of Dash, Near Fuse Box |
| Elantra, Santa Fe & Tiburon | Engine Compartment Fuse/Relay Box |
| Sonata & XG350 | Right Side Of Instrument Panel In Center Support, Under Radio |
RENDER: 1.0x
NO RELATED
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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.