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Geely Emgrand X7. Manual part - 26
2.2.3.3 ECM Controlled Ignition System 1. Closed Ignition Angle Control The length of the closed ignition angle determines the spark plug ignition energy. Too long 2. Start-up Mode In the start-up mode, the system uses a fixed ignition angle in order to ensure cylinder mixture is 3. Ignition Advance Angle Calculation and Control A. Main Ignition Advance Angle When the engine water temperature is B. Ignition Advance Angle Adjustment Temperature adjustment, intake air 水温修正 怠速修正 主点火角 点火提前角 点火提前 角计算 气温修正 阀板修正 减速断油修正 加速修正 配气相位控制 动力加浓修正 空调修正 FE02-8039b C. Acceleration Adjustment Ignition advance angle acceleration adjustment is used to mitigate the engine speed fluctuations D. Valve Timing-controlled Ignition Angle Compensation In order to obtain a better power and torque, system will enrich the Air-Fuel ratio to achieve the E. Valve Timing-controlled Ignition Angle Compensation When the valve timing control system works, the engine's intake and exhaust overlap angle Main ignition angle Water temperature correction Air temperature correction Valve plate correction Accelerate correction Idle speed Ignition angular advance Ignition angle compensation of valve timing control Air conditioning correction Power deepen correction Decrease fuel cut off correction Ignition angular advance calculation 103 |