Vehicle Electrical Problems


stands for on board diagnostic, it was introduced in US to help maintain vehicles and keep environmental pollution to a minimum. OBD2 diagnostics simply means European on board diagnostics.

What is the ‘check engine light‘? How can you solve the problem when the engine light comes on? The ‘check engine light’ is different to the engine management light. It indicates when something is wrong, a malfunction in one, or more, of the sensors and meters sending information to the car’s brain – the ECU. If the ‘check engine’ light comes on it sometimes means a fault and your vehicle enters into a “limp mode”. This means it is running in a ‘safe’ mode – a program which means more fuel consumption and increased emissions. To turn off the ‘check engine light’ you will need first of all to read the fault code to find out what is wrong. When you know the fault, you can put it right, reset the codes and have the ‘check engine light’ switched off.

If you use a code reader, you can VOLVO VIDA read the error code.  Fortunately all code readers will read Diagnostic trouble code (DTC). Code readers can be simple – ones that read Diagnostic trouble codes, – and they can be more complicated (and more expensive). ‘Only the better ones will read ABS, Transmission codes and reset engine service lights.’ If you want a code reader that is multi-purpose and covers every vehicle you will have to pay top dollar. When you plug in your scanner it will automatically turn on and should give you instructions to show you how to retrieve the trouble code. As soon as you have the code you can interpret it from the chart (supplied with your code reader) or look it up in your Workshop manual or go online and find the code details there.

The scanner plugs into the Data Terminal Connector (DTC) usually located in the driver or passenger foot-well. These data terminal connectors are also called data link connectors. They are located in a variety of different places on different vehicles; have a quick look under the dash, or in the passenger foot-well. It can also be located in the center console, sometimes behind a plastic cover. And there is more information in your owner’s instruction manual Ford Mazda IDS V75 .

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