Engine sensors
Engine Sensors - Throttle Control
Engine sensors - oxygen sensors
Engine sensors (pressure, temperature, air mass flow)
Fuel system - fuel vapor recovery system and fuel-air mixture formation system
Fuel system - injectors
Fuel system - fuel pump
Ignition system (ignition coils 1, 3, 5 and 7)
Ignition system (ignition coils 2, 4, 6 and 8)
Ignition system - sensors
Power supply, ground points, data bus and fault indicator
Transmission and additional subsystems
Coolant Temperature Switch (L18)
Electric fan control (except L18)
The rules for using electrical circuits are located here →