Circuit DescriptionUnder ordinary operating conditions, the real-time clock in the electronic control module (ECM) is powered by the vehicle’s batteries....

Circuit DescriptionThe injector solenoid valves are actuated by the electronic control module (ECM) to control fuel metering and timing. Each...

Circuit DescriptionThe injector solenoid valves control fueling quantity and injection timing. The electronic control module (ECM) energizes the solenoid by...

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine ECM directly through individual wires. Multiplexing allows those...

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the ECM directly through individual wires. Multiplexing allows those same...

Circuit DescriptionThe injector solenoid valves control fueling quantity and injection timing. The electronic control module (ECM) energizes the solenoid by...