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.
Precautions for Electric Throttle Control System Calibration
Completely closed and opened throttle valve position data are stored in ECM.
(For details of Electric Throttle Control System Calibration, refer to DESCRIPTION OF ELECTRIC THROTTLE CONTROL SYSTEM CALIBRATION )
After performing any one of the following services, it is necessary to calibrate the completely closed and opened throttle valve positions stored in ECM. See ELECTRIC THROTTLE CONTROL SYSTEM CALIBRATION .
- Shutting off of backup power for ECM (i.e. Disconnection of battery cable, replacement of battery, blown "DOME" fuse)
- Replacement of ECM
- Clearance of DTC related to electric throttle control system (P0607, P0122, P0123, P0222, P0223, P2101, P2102, P2103, P2111, P2119, P2122, P2123, P2127, P2128, P2135 or P2138)
- Replacement of throttle body assembly or accelerator pedal assembly with APP sensor.
NO RELATED
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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.