Launch X431 Pad V readjust oil pressure calibration of CVT

Car model and year: Toyota Vellfire 2015

Purpose: To readjust oil pressure calibration of CVT after replacing the CVT Fluid.

Toyota diagnostic tool that is able to do:

X431 Pro3

X431 PAD

Launch X431 PAD V

Today, I use Launch X431 PAD V to test . I connect the device to the car first, wait for the device to start, and click on “Local Diagnose”, select “Asian ” and then “Toyota”.

Ensure it is the newest Toyota version, click on “Ok”.

Tap “16PIN DLC (Europe and Other).”.

Tap “-2018.01” and will have vehicle information including VIN, vehicle name, model, engine type, year, cylinder number.

Tap “System Selection” -> “Powertrain”.

Tap “Engine and ECT”.

Tap “Special Function“.

Tap “Reset Memory” and have the notice reading “This function is used to delete the learned memory in the ECT ECU. A memory reset is required after automatic transmission or valve body replacement. ”

Complete, please perform the following operations:

  1. Turn the ignition switch OFF and back ON.
  2. Drive the vehicle in a “stop and go” pattern for approximately 15 minutes.

Tap  CVT Oil Pressure Calibration “

Usage: To readjust oil pressure calibration of CVT after replacing the related parts.


  1. Keep IG OFF for 30 seconds.
  2. Cycle IG ON (Ready OFF / Engine OFF) and wait at least 2 seconds.
  3. Start vehicle (Ready ON/Engine ON) and wait at least 5 seconds.

Wait 10 seconds and it prompts  CVT Oil Pressure Calibration is complete”.

Finally, check and delete all DTC.

Alright, job is done.