Using LEXUS Hand-Held Tester

WARNING: This page is about a different car, the 2002 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Hook up the LEXUS hand-held tester to the DLC3.
Monitor the ECU data by following the prompts on the tester screen.
NOTE: LEXUS hand-held tester has a "Snapshot" function which records the monitored data. Please refer to the LEXUS hand-held tester operator's manual for further details.

Fig 1: Connecting Lexus Hand-Held Tester To DLC3