Resetting auto T/A value

1. Connect GDS to DLC (Data Link Cable).
2. IG "ON" & ENG "OFF".
3. Select the "Vehicle S/W Management" about related DTC with GDS.

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   Fig.1) Vehicle S/W Management screen

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   Fig.2) Oil-pressure Characteristics BackUp & Input (TCU Replacement)

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   Fig.3) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.4) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.5) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.6) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.7) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.8) Oil-pressure Characteristics BackUp & Input (TCU Replacement) continued

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   Fig.9) Oil-pressure Characteristics BackUp & Input (TCU Replacement) completed

4. "Vehicle S/W Management" is complete, and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

* How to perform Initial Learning

If you replace the automatic transmission or TCU, or if you overwrite the TCU software, be sure to initialize the learned values and perform initial learning.

STEP 1) Warm-up

Raise the ATF temperature by leaving the vehicle idling or performing city drive. Check the ATF temperature using the GDS and make sure it is between 50°C (122°F) and 120°C (248°F). If the ATF temperature is outside this range, work to bring the range.

(Reference)

If the oil temperature is not between 50°C (122°F) and 120°C (248°F), initial learning can not be performed. Before learning, check for variable speed shock or shift shock.

STEP 2) How to transmission oil pressure Learning

Please do more than 3 times as blow procedure.

STEP 3) Garage shift control learning

In "D", with the throttle opening between 25 and 35%, drive until you reach 8th gear and a vehicle speed at 80 Km/h or higher. Then, release the accelerator pedal and coast, and bring the vehicle to a stop in 60 seconds minimum. Repeat this procedure 10 times.

STEP 4) Garage shift learning ("N→D→N→R")

With the vehicle standing still, depress the brake and keep the shift lever in "N" for 3 seconds. Then, shift from "N" into "D", and maintain this condition for 3 seconds.

Repeat this procedure 5 times. Then repeat it 5 times in the same way for "R".

STEP 5) Check learning results

Check that variable speed shock and shift shock have decreased compared to conditions before learning. How to perform "N" position learning.