How To Proceed With Troubleshooting: Notes
WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
Carry out troubleshooting in accordance with the troubleshooting flowchart. Here, only the basic procedure is shown. Details are provided in Diagnostics articles, showing the most effective methods for each circuit. Confirm the troubleshooting procedures first for the relevant circuit before beginning troubleshooting of that circuit.