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10-9 1413-00 (3) Power control GCU PWM control This describes the voltage supplying types to glow plugs. - GCU estimates the temperature of glow plug for pre-heating. To avoid the power loss and overheat, GCU supplies the lowest power for getting target temperature when turning ON the ignition from OFF. - (4) Operation Frequency: 20~33Hz PWM control duty ratio - 1st step: 100% - 2~3 step: 35% - 4th step: 23% |