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.
Transaxle Electronic Control System: Notes
The following is a list components that are incorporated within the mechatronic assembly:
- Transmission control module (TCM)
- Transmission fluid temperature (TFT) sensor
- Speed sensors
- Turbine shaft speed (TSS) sensor and primary variator speed sensor
- Main control valve body
- Pressure control solenoids
- Pressure sensors
The output shaft speed (OSS) is part of the transaxle electronic control system but it is not part of the mechatronic assembly. The OSS sensor is bolted to the case and reads the differential gear.
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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.