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Electrical
• Changing between the high speed and low speed cam in the variable valve timing/lift mechanism is controlled on the basis of the engine speed and gear position conditions. 1ISignal generator • The signal generator produces the engine rpm signal. 2) Gear position switch • The gear position switch detects the current gear position. 3) lgnitor unit • The ignitor unit determines the appropriate timing for the system on the basis of engine rpm and gear position and sends ON/OFF signal to the solenoid. 4) Solenoid • Based on the signal supplied from the ignitor, the solenoid operates the spool valve and changes the oil pressure circuit for the actuator assembly.
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Solenoid
Gear position switch
Valve timing is changed [ when rocker arm shaft is rotated and then rocker arm is moved.
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