When shift shock is occurred or parts related with the transmission are replaced, TCM learning should be performed.
In the following case, TCM learning is required.
• |
Transmission assembly replacement |
1. |
TCM learning condition
A. |
ATF temperature: 30 ~ 95°C (86 ~ 203°F) |
|
2. |
TCM learning procedure
- |
Repeat the below shift pattern four times or more with stepping on the brake. |
1. |
Drive the vehicle through all gears at D range. Drive from
stop to 1st to 2nd to 3rd to 4th to 5th to 6th to 7th to 8th with
keeping fixed throttle open. |
2. |
Down shift from 8th to 7th, 7th to 6th, 6th to 5th, 5th to 4th, 4th to 3rd, 3rd to 2nd, 2nd to 1st. |
3. |
Repeat the above driving pattern four times or more.
Up-shift throttle open : 15 ~ 30% |
|
Description
Automatic transmission system relies on various measurement
data to determine the current control status and extrapolate the
necessary compensation values. These values are used to ...