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    2. Common abbreviations for OBD-II fault codes:

      2019-09-17 10:38:46 速銳得 505

      Common abbreviations for OBD-II fault codes:

      Circuit/open circuit

      "Circuit/open circuit" is mostly used when fixed values or high or low detection of specific circuits is not feasible. It can also be used with both low and high fault codes, provided that all three circuit conditions are detectable.

      2. Scope / performance

      “Range/Performance” means that the circuit is within normal operating range, but is not correct for current operating conditions. It can be used to indicate stuck or distorted values, display circuits, components, or systems that are not performing well.

      3. Low circuit

      “Low circuit” refers to the circuit voltage, frequency, or other characteristics measured at the input of the control module, which is below the normal operating range.

      4. High circuit

      “Circuit high” refers to the circuit voltage, frequency, or other characteristic measured at the input of the control module, which is higher than the normal operating range.

      5. Row

      "Powder" refers to a combination of cylinders that share a common control sensor. The first row always contains cylinder 1, and the second row refers to the opposite row.

      6. Sensor location

      The "sensor position" is either relative to the engine air flow: from the intake system to the exhaust system, or relative to the engine fuel flow: from the fuel tank to the engine, in the order of 1, 2, 3, etc.

      7. Left/Right and Front/Rear

      The "left/right and front/rear" positions of the components are assumed to be sitting in the driver's seat.

      8. A, B

      If the component is represented by a letter (for example, A, B, C, etc.), this is a manufacturer-defined value.

      9. Intermittent/unstable

      "Intermittent/unstable" means that the signal is temporarily discontinuous, but the duration of the fault is not sufficient to be considered an open or short circuit, or the rate of change is too high.

      other:

      One more thing to note. The OBD-II system uses a hexadecimal system. It uses 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F to count. For example, the next fault code for P029F is P02A0.


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