LAUNCH Ford Automatic Transmission System TCM Adaptive Learning Clutch Learning

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TCM Adaptive Learning – Clutch Learning

Applicable for

All Ford models

Function Introduction

This function is used to learn the clutch parameters to improve its performance after replacement of transmission control system or when the clutch

pedal is not functioning well.

Test Conditions and Attentions

Vehicle has a certain quantity of oil, turn off all electrical systems (A/C, blower, headlamp, etc.).When the engine runs at full speed, it makes a lot of noise and

may last 2‐3 minutes. During this process, do not release the gas pedal! Almost during the whole test, the brake pedal is pressed .

When this function is done, some DTC may be set (usually appear in PCM, causing engine lamp illuminated), it is normal, but do clear the DTC manually to remove

the MIL abnormity.

Operation Procedure

1).Select Special Function ‐ TCM Adaptive Learning under TCM according to the path shown in the below picture. Click YES to start this function after read the

prompts and confirm the conditions are met.

2).TCM Learning function has following 3 sub‐functions. Here we take sub‐function "Clutch" for example. Note, performing this function may generate

some DTC, causing the MIL illuminated. After this function completed, do clear the DTC manually to remove the generated DTC.

3).According to the prompt, ensure the gear selector is at P position, press and hold the brake pedal, then click OK to start the function initialization. Wait for 15 seconds.

4).Press and hold the brake pedal. Now the tool starts to set the clutch parameter one by one and check the pairing, including reset adaptive values, adapt clutch

A+B touch points, A+B friction coefficient, clutch offset, clutch position offset, clutch torque offset, learn clutch reference position, steering roller adaptive

learning, neutral state gear position command of both drive shafts, gear stroke test unit A, gear stroke test unit B and false memory deletion. It enters the next

step only when every item is succeeded. Any one of them failed, the function will fail.

Adapt clutch A+B touch points

Clutch position offset

A).The roller moving in the front cover will be clearly heard when performing the steering roller adaptive learning.

Steering roller adaptive learning

Gear stroke test unit B

B).After completed the last "False memory deletion", it enters the next step normally.

False memory deletion

5).Start engine, or crank for 5 seconds if engine failed to start (usually this will start the engine successfully). Note, do not press the gas pedal! Meanwhile, the

brake pedal must not be released.

6).Check and ensure the gear selector is at P position. Press and hold the brake pedal. Press the gas pedal to the floor and keep the throttle wide open, so the

engine runs at maximum speed for the clutch initialization in the next step.

7).Return to idle. Click OK button after release the gas pedal and return to idle (ensure the engine load is stable). During the process, the brake pedal must not be released.