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.
2012 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Smart key System: Specification
IPM (SMART KEY UNIT) SPECIFICATION
| Items | Specification |
|---|---|
| Rated voltage | DC 12V |
| Operating voltage | DC 9 ~ 16V |
| Operating temperature | -30°C ~ 75°C (-22°F ~ 167°F) |
| Load | Max. 3mA |
RF RECEIVER SPECIFICATION
| Items | Specification |
|---|---|
| Frequency | 433.92 MHz (China: 315 MHz) |
| Antenna type | FSK (Frequency Shift Keying) |
SMART KEY FOB SPECIFICATION
| Items | Specification |
|---|---|
| Battery | Lithium battery 3V 1EA |
| Distance | 10m |
| Battery life | More than 2years |
| Push buttons | Door lock/unlock, Trunk lid |
| Frequency (Rx) | 125 kHz |
| Frequency (Tx) | 433.92 MHz (China: 315 MHz) |
| Numbers | 2EA |
ANTENNA SPECIFICATION
| Items | Specification |
|---|---|
| Rated voltage | DC 12V |
| Operating voltage | DC 9 ~ 16V |
| Operating temperature | -30°C ~ 75°C (-22°F ~ 167°F) |
| Frequency | 125kHz |
| Numbers | Interior (5EA), Door (2EA), Bumper (1EA) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.