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 L4-2.0LFACTORY OEM SERVICE PROCEDURE
Keyless Entry: Testing and Inspection
Inspection
Door Lock Relay
Check for continuity between the terminals.
1. There should be continuity between the No.1 terminals in the I/P-F and No.6 terminals in the I/P-H when power and ground are connected to the No.1 terminals in the I/P-F and No.3 terminals in the I/P-H.
2. There should be no continuity between the No.1 terminals in the I/P-F and No.6 terminals in the I/P-H when power is disconnected.
Door Unlock Relay
Check for continuity between the terminals.
1. There should be continuity between the No.1 terminals in the I/P-F and No.5 terminals in the I/P-H when power and ground are connected to the No.1 terminals in the I/P-F and No.9 terminals in the I/P-H.
2. There should be no continuity between the No.1 terminals in the I/P-F and No.5 terminals in the I/P-H when power is disconnected.
Front Door Lock Actuator
1. Remove the front door trim.
2. Remove the front door module.
3. Disconnect the connectors from the actuator.
4. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.
Rear Door Lock Actuator
1. Remove the rear door trim.
2. Remove the rear door module.
3. Disconnect the connectors from the actuator (A).
4. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.
Tailgate Lock Actuator Inspection
1. Remove the tailgate trim.
2. Disconnect the 4P connector from the actuator.
3. Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.
Front Door Lock Switch
1. Remove the front door trim.
2. Remove the front door module.
3. Disconnect the connectors from the actuator.
4. Check for continuity between the terminals in each switch position when inserting the key into the door according to the table.
Tailgate Switch
1. Remove the tailgate trim.
2. Disconnect the 4P connector from the actuator.
3. Check for continuity between the terminals in each switch position according to the table.
Door Switch
Remove the door switch and check for continuity between the terminals.
Key In Switch
1. Remove the crash pad lower panel.
2. Disconnect the 6P connector from the key warning switch.
3. Check for continuity between the terminals in each position according to the table.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.