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FIAT TIPO -47- REV 0.0
HMI area (Human Machine Interface)
1: accelerator pedal.
2: clutch pedal.
3: brake pedal.
4: gearbox control.
5: S&S push-button.
6: instrument panel.
PWT area (powertrain)
7: accelerator potentiometer.
8: clutch sensor.
9: brake sensor.
10: gearbox sensor.
11: engine temperature sensor.
12: braking system vacuum sensor.
13: engine rpm sensor.
14: other (handbrake, catalytic converter, etc).
15: flywheel.
16: engine.
ECM: engine control module (engine control
node)
CAR area
17: starter.
18: alternator.
19: various loads (heated rear window,
windscreen wiper, etc.).
20: seat belt fastened sensors.
21: door sensors.
22: outside temperature sensor.
23: battery.
24: voltage stabiliser for radio and Hi-Fi.
25: various electrical loads.
RRM/ HI-FI: radio receiver/Hi-Fi node.
IBS: Intelligent Battery Sensor (battery monitor).
FP: dummy pole.
NCL: Climate control node.
BCM: Body Computer Module (Body Computer
Node)
Added components (white)
5: S&S function activation/deactivation button.
10: gearbox sensor.
12: brake servo vacuum sensor.
24: voltage stabiliser for radio and info-telematics
supply.
FP: dummy negative battery pole with wiring.
IBS: Intelligent battery sensor (battery monitor
control unit).
Components with modified hardware (yellow)
2: clutch pedal with clutch sensor.
13: engine rpm sensor.
16: engine.
15: flywheel.
17: starter.
18: alternator.
23: battery.
Components with modified hardware and/or
software (orange)
6: instrument panel.
ECM: (Engine Control Node).
BCM: (Body computer node).
NCL: (Automatic climate control node).
ABS (Braking system control module)
Carry over components (green)
1: accelerator pedal with accelerator sensor.
3: brake pedal with brake sensor.
11: engine coolant temperature sensor.
20: belt sensors.
21: door sensors.
22: outside temperature sensor.
14: other (handbrake, catalytic converter, DPF,
heated rear windscreen, windscreen wiper,
general electrical loads, etc.)
RRM: Hi-Fi radio.
Sensor for gearbox in neutral
The gearbox sensor is fitted on the gear lever unit and transmits to the ECM a signal enabling the
system to recognise the position of the lever corresponding to the "gearbox in neutral" condition.
The condition of gearbox in neutral is essential for the engine automatic starting.
The gearbox sensor generates a PWM signal with a duty cycle between 33% and 67% when the
gearbox is in neutral.
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