NoteFor all these operations, follow the procedure in the diagnostic tool
Replacing the automatic gearbox without replacing the ECU
Perform the following operations
- Initialisation of the neutral position of the gear selection lever position sensor
- Adaptation programming procedure of the oil pressure solenoid valves and regulators
- Initialising the autoadaptives
- Reset to zero of the oil usage counter
Replacement of the automatic gearbox ECU
Perform the following operations
- Read the value of the gearbox oil usage counter from the old ECU
- Write the oil usage counter value into the new ECU
- Initialisation of the neutral position of the gear selection lever position sensor
- Adaptation programming procedure of the oil pressure solenoid valves and regulators
- Initialising the autoadaptives
Replacing the automatic gearbox and the automatic gearbox ECU
Perform the following operations
- Initialising the autoadaptives
- Reset to zero of the oil usage counter
- Adaptation programming procedure of the oil pressure solenoid valves and regulators
Draining the automatic gearbox oil
Perform the following operations
- Adaptation programming procedure of the oil pressure solenoid valves and regulators
- Reset to zero of the oil usage counter
NoteFor downloading of the automatic gearbox ECU, there is no specific operation; follow the diagnostic equipment procedure
WarningFor a certain period, a quality of gear change can be obtained which is more or less satisfactory (adaptation of ECU parameters to the gearbox). To obtain satisfactory gear changing quality, it is necessary to carry out a road test involving frequent gear changes (auto-adaptive laws)