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.
Electric Variable Valve Timing Driver Control System Inspection
- Connect the M-MDS to the DLC-2.
- Perform the KOER self test. (See KOEO/KOER SELF TEST [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
- Verify that DTC P0010:00 or P1380:00 is not displayed. (See
ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
.)
- If DTC P0010:00 or P1380:00 is displayed, perform the DTC inspection. (See DTC P0010:00 [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) (See DTC P1380:00 [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
- Perform the Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode). (See OBD-II DRIVE MODE [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
- Verify that DTC P0011:00 or P0012:00 is not displayed. (See
ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
.)
- If DTC P0011:00 or P0012:00 is displayed, perform the DTC inspection. (See DTC P0011:00, P0012:00 [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
- Access the following PCM PIDs using the M-MDS. (See
ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
.)
- VTIN_ACT
- VTIN_DES
CAUTION:- While performing this step, always operate the vehicle in a safe and lawful manner.
- When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
- Accelerate and decelerate the vehicle, and drive at normal speed, and verify that the data monitor item VT INTACT value changes in conjunction with the VT IN_DES value.
- If this change cannot be verified, replace the electric variable valve timing motor/driver.
(See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION .)
| Item (definition) | Unit/Condition | Definition | Condition/Specification (Reference) |
|---|---|---|---|
| VT IN_ACT | ° | Actual intake valve timing |
|
| VT IN_DES | ° | Desired intake valve timing |
|
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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.
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