Power, ground, data bus and fault indicator
Sensors - power and ground
Sensors - pressure and temperature
Sensors - oxygen sensors
Sensors - throttle control
Ignition coils #1, #3, #5 and #7
Ignition coils #2, #4, #6 and #8
Sensors and cylinder deactivation system
Fuel system - fuel pump
Fuel system - injectors
Fuel System - Evaporative Emission System
Management and monitoring of additional systems
Rules for the use of electrical circuits are here →