Abs/Asr Ecu Connection; Variable Timing Management - Alfa Romeo 159 Training Material

ENGINE

ABS/ASR ECU connection

The interface between the engine control ECU and the ABS/ASR ECU via the CAN line between the two ECUs. The
engine ECU if the wheels slip (indicated by the ABS/ASR ECU) to reduce drive torque by:
reducing ignition advance
reducing throttle opening angle
reducing injection time
I
NPUT PARAMETERS
E
LECTRICAL QUANTITY
Brake node signal
CAN line signal on pins K-85
and K-63

Variable timing management

The ECU according to the following information:
engine temperature
engine speed
engine oil
accelerator pedal position
lambda sensor signals
Traccia Didattica Alfa 159-en-ridotta
ALFA 159 TRAINING MATERIAL
C
ONTROLLER
L
OGIC
MED 7.6.1
The ECU receives
intervention request
torque by the ABS ECU and
modifies the torque output by the
engine.
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After Sales Training
O
UTPUT PARAMETERS
E
LECTRICAL QUANTITY
Motorised throttle
Voltage to pins A-15 and
Voltage disconnect from
pins A-46; A-31;
the
to limit
Voltage to pins:
A-50, A-49; A-47, A-48;
A-32, A-33; A-35, A-34
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Fiat Auto S.p.A.
A-30
Ignition coils
A-01; A-16
Injectors