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Using Hand-Held Tester

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.
  1. Hook up the LEXUS hand-held tester to the DLC3. See Fig 1.
  2. Monitor the ECU data by following the prompts on the tester screen.
Fig 1: Connecting Hand-Held Tester To DLC3
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