244
CLUTCH
GEARBOX
DRIVESHAFTS
Engines : NFZ - NFU - RFN
ECU : Downloading, Configuration, Initialisation (pedal) (continued)
Downloading.
ECU downloading procedure :
- Follow the diagnostic tooling procedure.
A new ECU or downloaded update is always configured with the following
options :
- SHIFT LOCK gear selection lever position.
- OBD outlet (emission standard L4).
If the ECU is to be fitted to a vehicle without one or bothof these options:
- Carry out a configuration which inhibits the diagnosis of the option(s)
concerned.
Pedal initialisation.
A pedal initialisation must be carried out in the following cases :
- Replacement of the automatic gearbox ECU.
- Replacement of the automatic gearbox.
- Downloading of the ECU configuration.
- Adjustment or replacement of the accelerator cable.
- Replacement of the throttle potentiometer.
RECOMMENDATIONS - PRECAUTIONS : AL 4 AUTOMATIC GEARBOX
IMPERATIVE : For a certain period of time, while the ECU parameters are adapted to the gearbox, there may be an inconsistentgear
selection quality. To achieve a consistent standard, it will be necessary to carry out a road test taking in frequent gear changes (auto-
adaptive laws).
XSARA
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