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 Kia Soul !FACTORY OEM SERVICE PROCEDURE
Key Interlock Solenoid Control
WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
- General Description
- Key Interlock Function is to check the Key Interlock Switch Input and Ignition Terminal position, and turn On or Off the key interlock solenoid.
- Key Solenoid is Pull Type.
- When IGN1 is On or ACC is On, if Key Interlock Switch is On, key interlock solenoid is Off
- When IGN1 is On or ACC is On, if Key Interlock Switch is Off, key interlock solenoid is On
- During IGN1 is Off and ACC is Off, key interlock solenoid is Off
- The internal value "b_KeyInterlockSW100" is the signal that means Key Interlock Switch value with 100 msec confirm time. So it is different from filtering time.
T: 100 msec
- Go to Key Interlock Solenoid ControlΒ . STATE DESCRIPTION CHART
State Description Initial Condition (IGN1 = On or ACC = On) & Key Interlock SW100 = Off Event - Key Interlock SW100 = On or
- IGN1 = Off and ACC = Off
Action Key SOL = Off - Go to Key Interlock Solenoid ControlΒ .
STATE DESCRIPTION CHART
| State | Description |
|---|---|
| Initial Condition | (IGN1 = On or ACC = On) & Key Interlock SW100 = On |
| Event | Key Interlock SW100 = Off |
| Action | Key SOL = On |
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:
- 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.
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