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.
Seat Belt Warning Lamp Timer Function
2003 Hyundai Tiburon V6-2.7LSECTION Seat Belt Warning Lamp Timer Function
SEAT BELT WARNING LAMP TIMER
1. Function explanation: Seat belt indicator lamp blinks for 6 seconds when IGN is turned on to recommend driver to buckle up.
2. Related schematic diagrams
- See the Indicators and Gauges.
3. Input/output signal
- Fuse F17 (10 A)
- Output Seat belt indicator lamp (J12)


4. Related Hi-scan(pro) failure diagnosis
1. Input/output monitoring
Select "07 ETC" and press [ENTER]. Then the following screen will be displayed.
Check output condition against seat belt indicator lamp.


2. Actuator inspection
Select "02 OUTPUT ACTUATION" and press [ENTER].
Perform forced drive against seat belt indicator lamp.
5. Expected failure symptoms
Seat belt indicator lamp does not work.

6. Actions by failure symptoms Seat belt indicator lamp does not work.
1. Function explanation: Seat belt indicator lamp blinks for 6 seconds when IGN is turned on to recommend driver to buckle up.
2. Related schematic diagrams
- See the Indicators and Gauges.
3. Input/output signal
- Fuse F17 (10 A)
- Output Seat belt indicator lamp (J12)
4. Related Hi-scan(pro) failure diagnosis
1. Input/output monitoring
Select "07 ETC" and press [ENTER]. Then the following screen will be displayed.
Check output condition against seat belt indicator lamp.
2. Actuator inspection
Select "02 OUTPUT ACTUATION" and press [ENTER].
Perform forced drive against seat belt indicator lamp.
5. Expected failure symptoms
Seat belt indicator lamp does not work.
6. Actions by failure symptoms Seat belt indicator lamp does not work.
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:
- 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.