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 Scion iQFACTORY OEM SERVICE PROCEDURE
Continuously Variable Transaxle System: Precaution: Precaution
NOTE:
- Performing reset memory will clear the learned values of both the yaw rate sensor (deceleration sensor 0 point calibration) and CVT oil pressure (CVT oil pressure calibration). Make sure to perform reset memory, yaw rate sensor 0 point calibration and CVT oil pressure calibration when replacing any of the parts shown in the following table. Refer to INITIALIZATION .
Replaced Part - Continuously variable transaxle assembly
- ECM
- Oil pressure sensor
- Yaw rate and acceleration sensor
- Perform the VIN registration when replacing the ECM. Refer to REGISTRATION .
- If the ECM is replaced, register the ECM communication ID for Immobilizer System. Refer to REGISTRATION .
Factory Service Tools
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.