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 Throttle Control System Calibration
- Select calibration procedure from
chart below.ELECTRIC THROTTLE CONTROL SYSTEM CALIBRATION REFERENCE CHART
Calibration procedure Service item [A] - ECM power supply shutoff (i.e. disconnection of battery cable, replacement of battery, "DOME" fuse blown)
- ECM replacement
- Clearance of DTC(s) related to electric throttle control system
[B] - Throttle body assembly replacement
- APP sensor assembly replacement
- Perform selected calibration procedure as follows.
Calibration procedure [A]:
- Keep ignition switch in ON position for 5 seconds or more without running engine.
Calibration procedure [B]:
- Disconnect negative cable from battery.
- Disconnect ECM connectors for 30 seconds or more to clear calibration data of closed throttle position from ECM.
- Connect ECM connectors and connect negative cable to battery.
- Keep ignition switch in ON position for 5 seconds or more without running engine.
Use the Manual With the Right Hardware
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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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