Computers and Control Systems: Locations

Components on PCM/ECM Harness
11. Powertrain Control Module (PCM)/Engine Control Module (ECM)
12. Data Link Connector (DLC)
13. Service Reminder Indicator Lamp/Malfunction Indicator Lamp
14. PCM/ECM/ABS Harness Ground
15. Fuse Panel (2)

PCM/ECM Controlled Devices
19. Exhaust Gas Recirculation (EGR) Valve
21. Fuel Injector (4)
22. Idle Air Control (IAC) Valve
23. Fuel Pump Relay
24. Cooling Fan Relays
25. Series/Parallel Cooling Fan Relay (A/C Only)
26. Electronic Ignition (EI) System Ignition Coil
27. Evaporative Emission (EVAP) Controlled Canister Purge Solenoid
28. Ignition 1 Relay
29. A/C Compressor Relay
30. Variable Geometry Induction System (VGIS)

Information Sensors
31. Manifold Absolute Pressure (MAP) Sensor
32. Pre-Converter Oxygen Sensor (O2S 1)
33. Throttle Position (TP) Sensor
34. Engine Coolant Temperature (ECT) Sensor
35. Intake Air Temperature (IAT) Sensor
36. Vehicle Speed Sensor (VSS)
37. P/N Position Switch (Automatic Transaxle only)
38. Crankshaft Position (CKP) Sensor
39. Knock Sensor
40. Post-Converter Oxygen (HO2S 2) Sensor
41. Camshaft Position (CMP) Sensor

PCM/Not ECM Connected
42. Evaporative Emission Canister (under vehicle, behind right rear wheel)
43. Oil Pressure Switch
44. Air Cleaner