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.

2004 Hyundai Accent BaseFACTORY OEM SERVICE PROCEDURE

MFI Control Relay Inspection

Check continuity of relay contacts between terminals 5 (+) and 1 (-).

MFI CONTROL RELAY CONTINUITY CONDITIONS

Relay coil (between terminal 2 & 4)	Continuity
When de-energized	No
When energized	Yes

Fig 1: Checking Continuity Of Relay Contacts Between Terminals 5 (+) And 1 (-)

Courtesy of HYUNDAI MOTOR CO.

If faulty, replace the MFI control relay.
Tightening torque

MFI control relay:

7~11 Nm (70~110 kg.cm, 5.2~8.1 lb.ft)

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:

• 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.