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.
2013 Hyundai AzeraFACTORY OEM SERVICE PROCEDURE
Trunk Control
This IPM Trunk describes the following functions:
- Trunk Release Control Function
- Trunk Status Indicator Function
- Trunk Lamp Function
| Function | Characteristics | Name | |
|---|---|---|---|
| Signal Label | Spec. Designation | ||
| Input | Logic | L_ExternalTrunkSW | External Trunk Open Switch |
| L_RLDRUnlockSW | Rear Left Door Unlock Switch | ||
| L_RRDRUnlockSW | Rear Right Door Unlock Switch | ||
| L_TrunkStatus | Trunk Switch Status | ||
| CAN_B Communication | C_ASTUnlockState | Assist Door Unlock Switch | |
| C_DRVUnlockState | Driver Door Unlock Switch | ||
| C_PassiveTrunk_TG | Trunk open command by SMK | ||
| C_TrunkOpenSW | Trunk Open Switch from DDM | ||
| CAN_C Communication | VS | Vehicle Speed Signal | |
| Internal | b_BAState | Burglar Alarm State is in ARM type state | |
| b_RKETrunkCmd | RKE Trunk Command | ||
| Output | Logic | O_TrunkLamp | Trunk Lamp Output |
| O_TrunkRelease | Trunk Release Output | ||
| CAN_C Communication | CF_Gway_TrkOpnInd | Trunk opening Status | |
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.