Using Hand-Held Tester

WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: DTCs are 4 digit numbers.

NOTE: The LEXUS hand-held tester has a Snapshot function which records the monitored data. Refer to the LEXUS hand-held tester operator's manual for further details.

Hook up the LEXUS hand-held tester to the DLC3. See Fig 1.
Monitor the ECU data by following the prompts on the tester screen.

Fig 1: Connecting Hand-Held Tester To DLC3