Contents: Component arrangement ↧ Components on the ECM Wiring Harness ↧ ECU controlled device ↧ Information sensors ↧ The ECU is not connected ↧
Component arrangement
Components on the ECM Wiring Harness
11. Electronic Engine Management System (EEMS) Controller
12. Diagnostic Link Connector (DLC)
13. Malfunction Indicator Lamp (MIL)
14. Fuse panel (2)
ECU controlled device
21. Main cooling fan connector
22. Auxiliary cooling fan connector
23. Ignition coils (6)
24. Electromagnetic valve for purging the adsorber of the SUPB
25. Fuel injectors (6)
26. Throttle body
27. Intake Manifold Runner Control (IMTC) Solenoid Valve
28. Starter relay
29. Air conditioner relay
30. Main relay
31. Main Fan Relay
32. Fan control relay
33. Auxiliary Fan Relay
34. Fuel pump relay
35. Accelerator Pedal Module
36. Valve timing control solenoid (4)
37. Fuel pump
Information sensors
38. Control heated oxygen sensor (2)
39. Oil level sensor
40. Crankshaft Position Sensor (CKP)
41. Knock sensor (2)
42. Engine Coolant Temperature (ECT) Sensor
43. Mass Air Flow (MAF) Sensor
44. Camshaft Position (CMP) Sensor (4)
45. Engine oil pressure sensor
The ECU is not connected
46. Air filter assembly
47. Evaporative Emissions Canister Assembly (under the car, in front of the fuel tank)
[The article is reprinted from the website: «chevyman»]