Computers and Control Systems: Service Precautions

All control modules are more or less sensitive to static electricity and can, if they are handled incorrectly, be so seriously damaged as to render them unserviceable. For this reason, it is important to adhere to the following rules whenever removing or changing a control module for any reason.
- Avoid unplugging or removing the control module unless it is absolutely necessary.
- Never touch the connector pins and never place the control module where the connector pins may come into contact with anything else.
- Before unpacking a new control module, ground the packaging to the car bodywork and open it as short a time as possible before installation.
- When working with the control module, it is important to regularly ground yourself. The is especially important when you have been sitting in the car, when you have changed position or moved around the car and is even more important when working in climatic conditions with very dry air (for example during the winter in cold markets).
- Avoid wearing clothes of synthetic materials.
- Avoid wearing shoes with insulating rubber soles.
- In addition, always handle control modules suspected of being faulty in the same way. This significantly increases the possibility of localizing the cause of the fault.