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white speedometer light nissan altima
For white speedometer light nissan altima is the ABS light on the instrument panel of model a car flashes abnormally while driving, and ABS does not work.The ABS of Nissan altima (u13) car has the function of fault self diagnosis. When the ABS fails, it can be adjusted and repaired according to the fault results stored by the self diagnosis. When the engine is just started, the wheels do not rotate, and the ABS light on the instrument panel is on; When the car starts, the ABS light should go out; When the vehicle speed reaches 1km/h, ABS performs a self-test. At this time, mechanical noise can be heard, which is the feature of normal self-test. During the detection process, if there is a fault in ABS, the ABS lamp will flash again.
In the process of driving, if the ABS light flashes, it indicates that ABS is faulty. In order to obtain accurate self diagnosis results, the "L" interface of the self diagnosis interface can be grounded (this interface is located in the fuse box under the dashboard in front of the driver).When testing the wheel speed sensor, unplug the connector and measure the resistance between the two interfaces of the connector with the ohm gear of the digital multimeter. The normal resistance value should be 1.0kΩ~1.25 kΩ。 If the measured resistance value is k Ω or less than 1.0k Ω, it indicates the line
There is a short circuit in the coil: if the measured resistance value is 8 or very high, it indicates that there is an open circuit in the coil. After checking that the sensor itself is normal, plug in the connector, then unplug the connector connecting the sensor to absecu, and measure the resistance of the socket at this end of the wheel speed sensor with the ohm gear of the digital multimeter. If the resistance value is still the normal resistance value of the wheel speed sensor, the connecting wire is normal; If the measured resistance value is 0k Ω or less than 10k Ω, it indicates that there is a short circuit in the connecting wire or connector; If the measured resistance value is ∞ or very high, it indicates that there is an open circuit in the connecting wire or connector.
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