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Home >> Mitsubishi >> 2021 >> Mirage LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) >> Diagnosis >> CVT Fluid Pressure Control Learning Procedure >> Learning Procedure
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Learning Procedure

STEPS ITEM CONTENTS
1 Engine idling learning Refer to ENGINE IDLING LEARNING PROCEDURE .
2 Transmission fluid temperature measurement Use the scan tool (M.U.T.-III) to measure the transmission fluid temperature (data list item number 21).
3 Transmission fluid temperature adjustment Start the engine and warm it up until the transmission fluid temperature reaches approximately 80°C (176°F).
If the transmission fluid temperature does not rise to 80°C (176°F) in cold climates, raise the fluid temperature as much as possible.
4 Secondary pressure sensor learning
  1. Start the engine when the selector lever is in the "P" range and the vehicle is stopped.
  2. Turn the ignition switch to the "LOCK" (OFF) position to stop the engine.
  3. Wait for 30 seconds in the state described in Step 2.
  4. Repeat above steps  1 to  3 three times to complete learning.
5 Select control learning
CAUTION: When moving the selector lever from the "N" range to the "D" range, and from the "N" range to the "R" range, hold for eight seconds or more in each range.
  1. Start the engine, and move the selector lever from the "N" range to the "D" range and from the "N" range to the "R" range (two or three times each). If there is no shift shock, the learning is complete.
  2. If the shift shock is large, move the selector lever from the "N" range to the "D" range and from the "N" range to the "R" range (up to 10 times each) and the learning is complete.
6 Shift control learning 1
  1. Check that the "idle neutral active status (data list item number 40)" can be monitored by using the scan tool (M.U.T.-III).
  2. Start the engine and wait for at least one minute.
  3. Turn off the air conditioning.
  4. While the selector lever is at the "D" range, drive the vehicle at 10 km/h (6.2 mph) or more. Then, stop the vehicle with the selector lever at the "D" range.
  5. Depress the brake pedal to activate the idle neutral control, and wait for 30 seconds or more.
  6. Carry out Step  4 and Step  5 again to complete learning.
7 Shift control learning 2
  1. Start the engine.
  2. Turn off the air conditioning.
  3. While the selector lever is at the "D" range, depress the accelerator pedal by approximately 1/8(1) to accelerate to approximately 60 km/h (37 mph). Depress the brake pedal to decelerate and stop the vehicle. Turn the ignition switch to the "LOCK" (OFF) position to stop the engine and wait for five seconds.
  4. If there is no shift shock, the learning at Step 3 is complete. If the shift shock is large, repeat Step  3 (up to five times).
  5. While the selector lever is at the "D" range, depress the accelerator pedal by approximately 3/8(2) to accelerate to approximately 60 km/h (37 mph). Drive at a constant speed for five seconds, and depress the brake pedal to decelerate and stop the vehicle. Turn the ignition switch to the "LOCK" (OFF) position to stop the engine and wait for five seconds.
  6. If there is no shift shock, the learning at Step 5 is complete. If the shift shock is large, repeat Step  5 (up to 10 times) and the learning is complete.
NOTE:
(1) Reference: Data list item number 15 "Accelerator position" on scan tool (M.U.T.-III) measures 10 to 15 percent.
(2) Reference: Data list item number 15 "Accelerator position" on scan tool (M.U.T.-III) measures 25 to 50 percent.
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