Inspection Procedure 4: Poor Acceleration or Incomplete Shifting Operation



  • Malfunction of forward clutch
  • Malfunction of torque converter
  • Malfunction of CVT assembly
  • Malfunction of valve body assembly
  • Malfunction of CVT-ECU


STEP 1. Engine-related troubleshooting check

Check for engine malfunction.

Q. Is the check result normal?

Go to Step 2.
Carry out the engine-related troubleshooting.

STEP 2. Torque converter stall test implementation

Refer to .

Q. Is the check result normal?

Go to Step 4.
NO (stall speed is low.) : Replace the torque converter.
NO (stall speed is high.) : Go to Step 3.

STEP 3. Retest the system.

Replace CVT-ECU, and then recheck symptoms.

Q. Does the malfunction take place again?

Replace the CVT assembly.
The inspection is complete.

STEP 4. Forward clutch pressure check

Carry out "hydraulic test"(Refer to ).

Q. Is the check result normal?

Replace the forward clutch.
Replace the valve body assembly.