Identification Of Fuel Injection-Ignition Control Unit Connections (Pin Outputs) - Fiat Bravo Service Manual

Engine
Fuel system
10.

Identification of fuel injection-ignition control unit connections (pin outputs)

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1 -3. Not connected
4. Rev counter signal
_ 5. Automatic transmission control unit
(coolant temperature signal)
6-8. Not connected
9. Lambda probe (negative)
10-12. Not connected
13. Fiat CODE control unit
14. Radiator fan high speed control (ver-
sions with air conditioner)
15. Fuel injection relay enablement
16. Automatic tranmission
(throttle valve angle)
17. Engine coolant overheating warning
light
18-19. Not connected
20. Lambda probe (positive)
2 1 . 4-stage pressure switch
22-24. Not connected
25. Diagnostic socket (line k)
26. Fuel injection fault warning light
27-28. Earth
29. Fused supply ( + 3 0 )
30-34. Not connected
35. Signal requesting radiator fan l o w
speed
36. Automatic transmission control
(torque reduction signal)
37-39. Not connected
40. Radiator fan low speed control (ver-
sions w i t h air conditioner)
4 1 . Air conditioner compressor relay
42-43. Not connected
44. Lambda probe cables shielding
45-46. Not connected
47. Supply ( + 1 5 )
48. Request to switch on air conditioner
28
control unit
unit
7 3 - 7 4 . Not connected
Bravo-Brava
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49. Automatic transmission
(gear change signal)
50. Vehicle speed signal
5 1 . Not connected
52. Fuel vapours solenoid
53. Rpm sensor (positive)
54. Earth of coolant temperature, air pres-
sure/temperature and throttle valve p o -
sition sensors.
55. Intake air temperature
56. Knock sensor (positive)
57. Engine idle speed actuator
58. Engine idle speed actuator
59. Ignition coils (cylinders 1 -4)
60. Supply to throttle valve position sensor
6 1 . Not connected
62. Coolant temperature sensor (positive)
63. Knock sensor cables shielding
64. Engine idle speed actuator
65. Engine idle speed actuator
66. Ignition coils (cylinders 2-3)
67. Rpm sensor (negative)
68. Supply to intake air temperature/pres-
sure sensor
69. Not connected
70. Knock sensor (negative)
7 1 . Cylinder no. 1 fuel injector
72. Cylinder no. 4 fuel injector
75. Intake air pressure signal
76. Throttle valve position signal
77. Rpm sensor cables shielding
78. Cylinder no. 3 fuel injector
79. cylinder no. 2 fuel injector
80. Not connected
Publication no. 506.670/14
16v
'98 range
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control unit