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2004 chevy silverado speedometer sensor
2004 chevy silverado speedometer sensor: The speed sensor is installed in the drive axle housing or the transmission housing: 1. The signal wire of the vehicle speed sensor is usually installed in a shielded jacket, which is to eliminate the electromagnetic and radio frequency interference generated by the high-voltage electric live wire and the car phone or other electronic equipment; 2. 3. Magnetic and photoelectric sensors are the two most widely used speed sensors in automobiles, and are used in various automobiles in Europe, North America and Asia. Magnetic sensors are widely used to control vehicle speed (VSS), crankshaft angle (CKP) and camshaft angle (CMP), and can also be used to sense the speed and position signals of other rotating parts, such as compressors clutch etc. The vehicle speed sensor is installed in the drive axle housing or the transmission housing. The vehicle speed sensor detects the speed of the electronically controlled car. The control computer uses this input signal to control the engine idle speed, the torque converter of the automatic transmission is locked, the automatic transmission gear shift and the cooling fan of the engine. Other functions such as opening and closing and cruise control. The vehicle speed sensor is generally installed on the output shaft of the transmission, and one is also installed on the odometer for the auxiliary transmission; after the former fails, the latter acts as a failsafe.
If the speedometer is faulty,
1. check whether the circuit from the speedometer sensor to the speedometer is broken or short circuited, whether the plug is loose or loose, and whether the circuit plug is normal. First check the sensor. If the sensor is normal, the speedometer itself needs to be repaired. If the vehicle speed sensor is damaged, the speedometer will not move. Check whether the vehicle speed sensor is faulty. If it is, replace it in time;
2. If the speedometer is damaged, the speedometer may not move, but check whether the circuit of the speedometer is falsely connected or short circuited, if it is repaired in time;
3. Check whether there is any fault in the sensor driving mechanism, and the poor contact of the connecting circuit will also cause the speedometer to stop moving;
4. Use the diagnostic apparatus to take out the fault code, which can solve the problem more quickly;
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