Alfa Romeo 159 Training Material page 214

BRAKING SYSTEM
ECU PINOUT
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INPUT SIGNALS
wheel speed sensors (direct line)
brake pedal three-stage switch (direct line)
engine ECU (on C-CAN line)
throttle angle position (on C-CAN line)
instrument panel
warning lights state (on dedicated serial line)
OUTPUT SIGNALS
brake pressure modulator
ignition advance reduction (on C-CAN line)
engine power management (on C-CAN line)
injection time management (on C-CAN line)
engine power management (on C-CAN line)
VSO signal (vehicle speed)
The ECU:
acquires data from the sensors
stores control parameters defined in the vehicle setup
stores software
Traccia Didattica Alfa 159-en-ridotta
ALFA 159 TRAINING MATERIAL
C-CAN L
C-CAN H
Not connected
Not connected
Not connected
K diagnostic line
Right front sensor positive
Right front sensor signal
Right rear sensor positive
Right rear sensor signal
Solenoid valve ground and electronic ground
+30 from F-5 CVM 30A for solenoid valves
C-CAN L (setup)
C-CAN H (setup)
Not connected
Vehicle speed signal output (VSO)
Brake light switch signal input (NO)
Third brake light output with NAC
Left front sensor positive
Left front sensor signal
Left rear sensor positive
Left rear sensor signal
INT/2 from F-42 CPL 7.5A
Pump ground
+30 from pump power
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Fiat Auto S.p.A.
After Sales Training