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INJECTION
OPERATING PHASES : BOSCH ME 7.9.5 INJECTION SYSTEM
Engine : CFA
MMT piloted manual gearbox
The injection ECU dialogues with the automatic gearbox ECU in order to guarantee optimal functioning of the gearbox as well as of the engine.
WARNING :
Following any incident concerning the injection, it is essential to read the faults in the injection ECU and the piloted manual gearbox ECU.
The piloted manual gearbox ECU receives the following information from the injection ECU:
- Engine load (as a function of the position of the accelerator pedal)
- Engine speed
- Engine temperature
The piloted manual gearbox ECU sends the following information from the injection ECU:
- Information on request for torque reduction
- Information on request for compensation of idling speed
Gear changing quality is enhanced by an order to reduce engine torque given by the gearbox ECU to the injection ECU.
When there a change of gear, the gearbox ECU:
- Pilots the engine ECU in terms of engine torque and engine speed in making the change of gear
- Pilots the changing of the gear inside the gearbox
FR-C1-page93-125-2005 9/01/06 8:51 Page 105