老款桑塔纳机油灯控制原理（Control principle of oil lamp of old Santana）.doc

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老款桑塔纳机油灯控制原理（Control principle of oil lamp of old Santana）.doc

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老款桑塔纳机油灯控制原理（Control principle of oil lamp of old Santana）

老款桑塔纳机油灯控制原理（Control principle of oil lamp of old Santana） A, Its working principle is that, general GLi, GSi Santana and Jetta car engine oil alarm circuit is the same, a low voltage induction plug blue, in the back end of the cylinder head, the high voltage induction plug in white oil filter seat, the odometer has a circuit board is alarm controller, six pin 1. speed the signal controller on the ground; 2.; 3. power supply; 4. machine oil pressure sensor plug; 511 Di line; 6. high voltage induction plug. The low pressure induction plug is normally closed. When the oil pressure exceeds 30kPa, the contact is broken. The oil lamp goes out. If the low voltage or low voltage induction induction plug plug to instrument lines are open circuit. Then the ignition switch to the ON file, it will shine out the lamp, and normal in the ON file, do not start the engine when the engine oil is flickering. The high voltage induction plug is normally open, when the oil pressure reaches 180kPa, the contact is closed (the speed must be in 2000r / min), if the high voltage induction plug or high-voltage induction plug to instrument wiring circuit, low oil pressure, then the instrument will beep and alarm lamp. Turn the ignition switch, the lamp flashing, idle 800r / min machine, extinguished lamp accelerated to 2500r / min, pull off the high voltage induction plug, buzzer alarm lamp. Machine. After a series of examinations found no adverse. 1. input signal (1) the oil pressure switch is normally closed. When there is no oil pressure, the switch is in the conduction state. When the pressure is more than 30 (+ 15) kPa, the switch is disconnected. (2) the high pressure oil pressure switch is normally open. When the pressure is lower than 180kpa, the switch is in a state of disconnection. When the pressure exceeds 180kpa, the switch is switched on. (3) the speed signal of the engine is connected with the negative electrode of the ignition coil. When the key is opened and the car is not in