Electronic Ignition System Part 2 Mechanical

Time Control Time On The Power Control consists of two basic elements: a) Power Control During Start b) Control Power Boot After Power Control During Start ignition control during startup is defined as period during which the engine is doing and immediately after he left. The ignition occurs at a specific angle of crankshaft position, approximately 5 to 10 before TDC, regardless of engine operating conditions and this is called the "initial angle of time." As the engine speed is still below the specified RPM and unstable during and immediately after starting, the starting time is fixed to the engine operation to stabilize. The PCM recognizes that progress, or starter motor is going to the engine when it receives signals from the sensors of the crankshaft and camshaft. In some models, the starter signal (STA) is also used to inform the PCM that the engine is being started. Power Control Boot After ignition control after starting calculate and adjust the ignition timing based on engine operating conditions.

The calculations and time settings on work in a continuous series of consecutive steps, starting with the Basic Control Power Forward. Several corrections are added to the initial angle of ignition timing and the basic angle of ignition timing. The ignition control is executed after boot during normal engine operation. The various corrections (based on signals from sensors relevant) are added to the initial angle of ignition timing and the basic angle on time (determined by the signal of mass flow of air or intake manifold pressure ) and the sign of the speed of the engine: time on = time initial angle on a) basic angle of ignition advance b) right angle ignition advance during normal operation of the Power Control After booting, the STE signal is calculated by the microprocessor within the PCM and then, CCE signal is sent to the primary winding.