1. Engine control unit (MCU) or powertrain control unit (PCU)
2. Mass Airflow Sensor (MAPS)
3. Air temperature sensor (IATS)
4. Throttle Position Sensor (TPS)
5. Coolant temperature sensor (ECTS)
6. Camshaft Position Sensor (CMPS)
7. Crankshaft Position Sensor (CKPS)
8. Front oxygen sensor (HO2S(1)
9. Rear oxygen sensor (HO2S(2)
10. Knock sensor (KS)
11. Wheel Speed Sensor (WSS)
12. Fuel injector
13. Idle Air Control Valve (ISCA)
14. Canister Purge Valve (PCSV)
15. Oil valve for adjusting the timing phase (OCV)
16. Ignition coil
17. Main relay
18. Fuel pump relay
19. Multifunctional diagnostic connector
20. Diagnostic connector
21. Fuel Tank Pressure Sensor (FTPS)
22. Canister shut-off valve (CCV)
23. Fuel Level Gauge Sensor (FLS)
Timing phase adjustment system diagram
