Injection System Wiring Diagram Components - Fiat 1998 Marea Service Manual

Marea-Marea Weekend®™®™
99
range

Injection system wiring diagram components

variants for @> JTD
2-1 3-51 3-38
-g 0—0
11. Injection system failure warning light
12. Air conditioning system relay feed
13. Engine coolant temperature sensor
14. Rpm sensor
15. Fuel temperature sensor
16. Diagnostic socket
17. Fiat CODE control unit
18. Four stage pressure switch
19. Injection electronic control unit
20. Excess pressure sensor
21. Injection system protective fuse (7.5A) (+15 supply from ignition switch)
22. Injection control unit protective fuse (7.5A)
23. Injection system main relay
24. Injection system protective fuse (30A)
25. Auxiliary electric fuel pump relay feed
26. Heater plugs control unit
27. Intake air temperature and quantity sensor (flow meter)
28. Switch on brake pedal
29. Switch on clutch pedal
30. Ignition switch
31. Battery
32. Inertia switch
33. Auxiliary electric pump (immersed in tank)
34. Heater plugs control unit protective fuse (60A)
35. Heater plug for cylinder no.1
36. Heater plug for cylinder no.2
37. Heater plug for cylinder no. 3
38. Heater plug for cylinder no. 4
39. Injector for cylinder no. 1
40. Injector for cylinder no. 2
41. Injector for cylinder no. 3
42. Injector for cylinder no. 4
43. Heater plug for cylinder no. 5 (2387 JTD only)
44. Injector for cylinder no. 5 (2387 JTD only)
Copyright by Fiat Auto
5-05 5-09 5-01 5-04 5-08 5-07 5-03
0—0—0 p 0 —
0——0
4F007NJ01
1. Vehicle speed
2. Rev counter
3. Engine radiator fan low speed relay feed
4. Engine radiator fan high speed relay feed
5. Accelerator pedal potentiometer
6. Timing sensor
7. Fuel pressure sensor
8. EGR solenoid valve
9. Fuel pressure regulator
10. Heater plugs warning light in instrument
panel
(+30 supply from battery)
Engine
Fuel system
10.
1