The diagnosis circuit of fault code 24 of Daewoo ESPERO

Published:2011/5/18 0:05:00 Author:Borg | Keyword: fault code, detection circuit, Daewoo ESPERO | From:SeekIC

Computer ECM provides 12V voltage to speed sensor through the No. 437 circuit, and then the voltage goes back along the circuit. When the driven wheels run, the sensor makes the No.437 circuit connect the ground in turn, this pulse signals are generated 3683/1.6Km, and ECM counts the speed with the pulse time.The condition of generating the fault of 24: the coolant temperature is higher 85℃, the pressure of admission is lower than 4gkPa (MAP) and the engine rotating speed ranges 1500~4400rpm, the parking/neutral gear indicator is not at the parking or neutral gear, speed sensor shows the car speed is lower than 8km/h, all the conditions mentioned above last for more than 3S.



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