Final answer:
Troubleshooting diagrams are used to inform users on how to use and maintain a system/product by providing step-by-step instructions and visual representations.
Step-by-step explanation:
Troubleshooting diagrams are used to inform the user on how to use and maintain a system/product. These diagrams provide step-by-step instructions on identifying and resolving common issues that may arise while using the product. They can include visual representations of the product, along with labels and annotations, to help the user understand the different parts and functions of the system.