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Vehicles using Transaxle e-CVT Q710 1/1 engine list:

  • TOYOTA - Mirai FCV (134kW) 2020–2025

Recommended oil for engine Transaxle e-CVT Q710 1/1 engine.

Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
Oil Specs Comparison
Castrol ON EV Transmission Fluid D1
Castrol ON EV Transmission Fluid D1
Full synthetic✔
Dry e-Motor use✔
Viscosity @ 40°C: 18 mm²/s✔
Viscosity @ 100°C: 4.6 mm²/s✔
Viscosity Index: 193✔
Brookfield @ -40°C: 3500 mPa·s✔
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.

Answer generated by AI.

Oil specifications for Transaxle e-CVT Q710 1/1 engine

SAE 0W-20
API SN
ILSAC GF-6A
Toyota WSS-M2C950-A

Most common problems, symptoms & fixes for the Transaxle e-CVT Q710 1/1 engine.

Engine Transaxle e-CVT Q710 1/1

Symptoms:
- Unusual noises such as whining or grinding from the transaxle area
- Hesitation or jerking during acceleration
- Warning lights related to transmission or hybrid system activation
- Reduced fuel efficiency or abnormal power delivery
- Transmission slipping or failure to engage gears properly

Diagnosis:
- Conduct a thorough scan using Toyota’s diagnostic tools to check for error codes related to the e-CVT system
- Inspect the transaxle fluid level and condition; low or contaminated fluid can cause performance issues
- Perform a visual inspection for leaks, damaged wiring, or connectors around the transaxle
- Test drive to replicate symptoms and monitor transmission behavior and response
- Check for software updates or recalls that may address known issues with the Q710 transaxle

Fixes:
- Replace or top up transaxle fluid with manufacturer-specified fluid if contamination or low level is detected
- Repair or replace faulty wiring harnesses or connectors to ensure proper electrical communication
- Update the vehicle’s ECU software to the latest version to improve transaxle control and reliability
- In cases of mechanical failure, rebuild or replace the transaxle assembly as per Toyota service guidelines
- Regularly reset and recalibrate the hybrid system after repairs to ensure optimal performance

Prevention:
- Follow Toyota’s recommended maintenance schedule for fluid changes and inspections
- Avoid aggressive driving habits that can strain the e-CVT transaxle components
- Keep the vehicle software updated to benefit from improvements and bug fixes
- Address warning lights promptly to prevent minor issues from escalating into major failures
- Use only genuine Toyota parts and fluids to maintain system integrity and longevity
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* The engine oils listed on this website are general recommendations based on publicly available data. For the most accurate and suitable oil type for your vehicle, always refer to your car's owner manual or technical documentation. Oil specifications may vary depending on engine version, production year, driving conditions, and other factors. If in doubt, consult your vehicle manufacturer or a certified mechanic.