en:obd
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| en:obd [2025/01/24 21:07] – obd_diagnose | en:obd [2026/06/14 21:59] (current) – obd-diagnose | ||
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| This enables the workshop to read out any errors that have occurred ([[fault codes]]) from the respective error memories and to check the correct function via [[measurement values]]. | This enables the workshop to read out any errors that have occurred ([[fault codes]]) from the respective error memories and to check the correct function via [[measurement values]]. | ||
| - | An OBD system consists of at least one control unit that uses measured values from various sensors (e.g. oxygen sensors) to control actuators (e.g. injection nozzles) to achieve the desired behaviour. A modern vehicle can contain countless ECUs, each supporting hundreds of parameters that can be accessed via the DLC (Diagnostic Link Connector, [[obd-2-plug]] ) using an OBD diagnostic device ([[OBD-Scanner]]). | + | An OBD system consists of at least one control unit that uses measured values from various sensors (e.g. oxygen sensors) to control actuators (e.g. injection nozzles) to achieve the desired behaviour. A modern vehicle can contain countless ECUs, each supporting hundreds of parameters that can be accessed via the DLC (Diagnostic Link Connector, [[obd-2 plug]]) using an OBD diagnostic device ([[OBD-Scanner]]). |
| Apps are available for mobile devices that display real-time data from the respective ECUs (virtual instrument panel). One example is the OBD app Drivedeck. For Microsoft Windows, for example, there is the OBD-2 software KOBD2Check and [[VCDS]] for manufacturer-specific OBD on Audi, Seat, Skoda and VW. An [[OBD-Scanner]] with its own display, which is independent of basic devices such as mobile phones, PCs or laptops, is practical for [[diagnosis]] in the workshop. | Apps are available for mobile devices that display real-time data from the respective ECUs (virtual instrument panel). One example is the OBD app Drivedeck. For Microsoft Windows, for example, there is the OBD-2 software KOBD2Check and [[VCDS]] for manufacturer-specific OBD on Audi, Seat, Skoda and VW. An [[OBD-Scanner]] with its own display, which is independent of basic devices such as mobile phones, PCs or laptops, is practical for [[diagnosis]] in the workshop. | ||
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| [[OBD-2]] stands for On Board Diagnostics of the second development stage. OBD-2 is available as [[EOBD]] in the EU for the following vehicles: | [[OBD-2]] stands for On Board Diagnostics of the second development stage. OBD-2 is available as [[EOBD]] in the EU for the following vehicles: | ||
| * from 1.1.2000 for petrol cars | * from 1.1.2000 for petrol cars | ||
| - | * from 1.1.2003 for [[https:// | + | * from 1.1.2003 for [[https:// |
| * from 1.1.2005 for trucks | * from 1.1.2005 for trucks | ||
| * from 1.1.2017 for motorbikes | * from 1.1.2017 for motorbikes | ||
| - | Corresponding vehicles have a [[obd-2-plug]] for connecting a diagnostic system. However, the socket itself is not an indication of the OBD-2 capability of the vehicle, because it was often also used on vehicles that only support manufacturer-specific diagnostics. | + | Corresponding vehicles have a [[obd-2 plug]] |
| Efforts are being made to harmonise emission-related diagnostics worldwide; the corresponding standard [[WWH-OBD]] has been in development since 2014. | Efforts are being made to harmonise emission-related diagnostics worldwide; the corresponding standard [[WWH-OBD]] has been in development since 2014. | ||
| Various providers offer [[obd-help]] , which goes beyond the content of this wiki. [[https:// | Various providers offer [[obd-help]] , which goes beyond the content of this wiki. [[https:// | ||
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