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11-6 2. OPERATING PROCESS 1) System Layout (1) Engine start SKM performs the authentication process for the SMART key and sends the engine start request to EMS if there is a normally coded SMART key when pressing the Engine Start/Stop button with the SKM sends the start request signal to PCAN network and the cranking request to BCAN network by button. SKM turns off the IGN2/ACC relay during cranking to shut down the electric loads. SKM receives the starting status signal from EMS throug PCAN. EMS starts to crank the engine after checking the pre-heating condition if it receives the engine cranking request 1 when pressing the Engine Start/Stop button. EMS starts to crank the engine immediately if it receives the engine cranking request 2 when pressing the Engine Start/Stop button. 1. 2. 3. 4. 5. 6. Engine cranking request 1: when pressing the Engine Start/Stop button shortly in normal conditions Engine cranking request 2: when pressing the Engine Start/Stop button again after first press or when pressing the Engine Start/Stp button for more than 3 seconds - - Engine start during driving 7. When pressing the Engine Start/Stop button with IGN ON, the engine start is requested if the the brake switch is ON (no need authentication for 30 seconds). When pressing the Engine Start/Stop button with IGN ON, the engine start is requested position (no need authentication for 30 seconds). Except input of brake switch signal In vehicle equipped with A/T, when pressing the Engine Start/Stop button for more than 10 seconds with ACC ON, the engine start is requested regardless of brake signal if the gear shift - - * - |