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2007 yukon oil pressure gauge and voltage gauge not working
Why 2007 yukon oil pressure gauge and voltage gauge not working ? In all automobile instrument circuits, most of them are equipped with power regulators, and electromagnetic instruments and electric heating instruments are equipped with sensors. Diagnosis prompt: if two or more instruments fail to work at the same time when the instrument fails, check whether the instrument fuse and power regulator are faulty. If a single instrument does not work, first determine whether the fault is in the sensor or instrument. A single instrument does not work. First, check whether the wiring of the sensor is intact. If it is normal, disconnect the wiring of the sensor and use a multimeter to check whether the wiring of the sensor has power. If there is no power, check the circuit from the sensor to the instrument and battery; If there is power, take the oil meter as an example, and the detection method is shown in the following figure.
When 2007 yukon two or more instruments are not working at the same time , check the instrument fuse , power regulator and voltage regulator circuit. If the instrument fuse is normal , check the power regulator . Measure the voltage between the output terminal 3 and the grounding terminal 2. The voltage gauge reading should be 9.75~10.25 volts; Otherwise, replace the voltage regulator . Measure the voltage between input terminal 1 and ground terminal 2. The reading of the voltmeter should be the supply voltage , otherwise , repair the circuit .
First, check whether there is oil in the 2007 yukon oil tank. If there is no oil, it means that the oil pipe is broken , cracked or the oil drain plug of the oil pan is loose , resulting in oil leakage. Secondly , check whether the oil pressure gauge and the sensing plug are damaged . Then check the transmission shaft of the oil pump, and whether the transmission pin is broken so that the oil pump stops working . Finally , check whether the 2007 yukon oil filter is blocked by foreign matters, whether the plug of the connecting rod bearing purification oil chamber is loose, and remove it in time. Reasons why the voltmeter does not display: 1. The meter is broken; 2. Whether the battery is dead ; 3. The transmission equipment is broken (such as electric wire or mechanical connection) .
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