Fiat 1995 Brava, Service Manual

Page: 463 / 544

Bravo-Brava
B r a k i n g s y s t e m
Anti-lock braking system
33.
CONTROL UNIT
The electronic control unit (E.C.U.) consists of:
- input circuits for filtering, conditioning and digitizing the signals received from the system via wiring;
- integrated logic circuits for processing signals and managing program memories;
- specific data memory for the application for which it is intended;
- output or power stages for driving, with sufficient current intensity, the regulating solenoids, recy-
cling pump motor and fault warning light.
P4A07AD01
NOTE In the event of a fault, the complete
assembly is supplied as a spare part,
so the connector (B) must never be
disconnected.
A. Socket for connector on cables between
control unit and system
B. Connector for cables connecting recy-
cling pump to control unit
Teves MK 20 A.B.S. control unit output pins
1. Rear right sensor earth
2. Rear left sensor earth
3. Front right sensor signal
4. Front left sensor signal
5. N.C.
6. N.C.
7. N.C.
8. Power earth
9. Supply from battery (+VB)
10. Rear left sensor signal
11. Front left sensor earth
12. Brake pedal switch
13. F / L Tester connection
14. N.C.
15. N.C.
16. System fault warning light
17. Rear right sensor signal
18. Front right sensor earth
19. N.C.
20. N.C.
21. N.C.
22. N.C.
23. Ignition switch supply (+15)
24. Power earth
25. Supply from battery ( + V B )
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