What causes an Audi oil alarm?
Vehicle Information
Fault Model: Audi A4L Engine Model: CDZ Engine Displacement: 2.0L Mileage: 79900KM
Vehicle Information
Fault phenomenon: a 2012 Audi A4L, driving more than 70,000 kilometers, the instrument prompted the oil level alarm, please add 1L oil. At this time, the engine internal oil level is not abnormal, do not need to add oil.
Fault resolution
First of all, we use the diagnostic computer to read the fault code code in the engine control unit, the fault code is, the oil level sensor G266 short circuit to the iron, according to the meaning of the fault code, we judge either the internal fault of the oil level sensor, or the external line to the iron short circuit fault, the more simple before the difficult principle, first check the external line whether there is obvious wear and tear, and at the same time use a multimeter to the oil level sensor to be Measurement, terminal 1 for the supply voltage of 12.6V, normal, unplug the oil level sensor measuring terminal 2 on the body between the resistance of the hitch is less than 2 ohms, normal, measuring the oil level sensor plug terminal 3 to the engine control unit of the line between the terminals of the line without a short-circuit, disconnection. Also belongs to the normal phenomenon.
Fault resolution
Replacing Engine Hood Locks Troubleshooting
Fault resolution
Repair of high-end vehicles, the combination of troubleshooter, repair manuals and repair wiring diagrams, a multi-faceted approach, empirical repair may not be able to further repair accuracy, to efficient troubleshooting.
