| The automatic gearbox is controlled electro-hydraulically. |
| The term “self-diagnosis” refers specifically to electronic and electric control. |
| The automatic gearbox control unit -J217- receives information from components that influence gear selection and transmits the information to solenoid valves that control the spool valves in the valve body. |
| The control unit is equipped with a fault memory so that in the event the failure of an electronic or electrical component or an open circuit, the fault can be determined quickly. Fault are detected through electrical signals and stored in the fault memory. |
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