Diagnostic Trouble Code Check Procedure
WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
Taking into account the points on the previous information, a flow chart showing how to proceed with troubleshooting using the diagnostic trouble code check is shown below. This flow chart shows how to utilize the diagnostic trouble code check effectively, then by carefully checking the results, indicates how to proceed either to agnostic trouble code troubleshooting or to troubleshooting of problem symptoms table.