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.
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HOMESERVICE MANUALSHYUNDAI2003TIBURON L4-2.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSOUTSIDE MIRROR FOLDING FUNCTION
2003 Hyundai Tiburon L4-2.0L
Outside Mirror Folding Function
2003 Hyundai Tiburon L4-2.0LSECTION Outside Mirror Folding Function
OUTSIDE MIRROR FOLDING
1. Function explanation: When folding mirror switch is turned on, Mirror folds or unfolds.
2. Related schematic diagrams
- See the Power Outside Mirrors.
3. Input/output signal
- Fuse : F13 (15 A)
- Input: Folding mirror switch (E5)
- Output: Mirror folding (F20), Door unlock (F12)


4. Related Hi-scan(pro) failure diagnosis
1. Input/output monitoring
1. Select "05.LOCK & FOLDING" and press [ENTER]. Then, the following screen will be displayed.
Check BCM input/output state against folding mirror switch, outside mirror folding, outside mirror unfolding.


2. Actuator inspection
1. Select "01.INPUT ACTUATION' and then press [ENTER].
Perform forced drive against folding mirror switch.


2. Select "02.0UTPUT ACTUATION" and then press [ENTER].
Perform forced drive against outside mirror folding, outside mirror unfolding.
5. Expected failure symptoms
1. Folding function works but unfolding function does not.
2. Unfolding function works, but folding function does not.
3. Driver side mirror works, but passenger side mirror does not.
4. Passenger side mirror works, but driver side does not.
5. Both sides do not work.

6. Actions by the failure symptoms
1. Folding function works, but unfolding function does not.
=> Since unfolding relay is fail, replace the relay.
2. Unfolding function works, but folding function does not.
=> Since unfolding relay is fail, replace the relay.
3. Driver side mirror works but passenger side does not.

4. Passenger side mirror works, but driver side, does not.

5. Both sides do not work
1. Function explanation: When folding mirror switch is turned on, Mirror folds or unfolds.
2. Related schematic diagrams
- See the Power Outside Mirrors.
3. Input/output signal
- Fuse : F13 (15 A)
- Input: Folding mirror switch (E5)
- Output: Mirror folding (F20), Door unlock (F12)
4. Related Hi-scan(pro) failure diagnosis
1. Input/output monitoring
1. Select "05.LOCK & FOLDING" and press [ENTER]. Then, the following screen will be displayed.
Check BCM input/output state against folding mirror switch, outside mirror folding, outside mirror unfolding.
2. Actuator inspection
1. Select "01.INPUT ACTUATION' and then press [ENTER].
Perform forced drive against folding mirror switch.
2. Select "02.0UTPUT ACTUATION" and then press [ENTER].
Perform forced drive against outside mirror folding, outside mirror unfolding.
5. Expected failure symptoms
1. Folding function works but unfolding function does not.
2. Unfolding function works, but folding function does not.
3. Driver side mirror works, but passenger side mirror does not.
4. Passenger side mirror works, but driver side does not.
5. Both sides do not work.
6. Actions by the failure symptoms
1. Folding function works, but unfolding function does not.
=> Since unfolding relay is fail, replace the relay.
2. Unfolding function works, but folding function does not.
=> Since unfolding relay is fail, replace the relay.
3. Driver side mirror works but passenger side does not.
4. Passenger side mirror works, but driver side, does not.
5. Both sides do not work
RENDER: 1.0x
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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.