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Home >> Lexus >> 2002 >> GS 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Engine Immobilizer System >> Self-Diagnostic System >> Retrieving Diagnostic Trouble Codes >> Using Hand-Held Tester

Using Hand-Held Tester

  1. Using the hand-held tester, check the DTC.
  2. Prepare the OBD II scan tool (complying with SAE J1978) or hand-held tester.
  3. Connect the OBD II scan tool or hand-held tester to the DLC3 under the instrument panel lower pad. See Figure.
  4. Turn the ignition switch ON and turn the OBD II scan tool or hand-held tester switch ON.
  5. Use the OBD II scan tool or hand-held tester to check the DTCs and freeze frame data; note them down. (For operating instructions, see the OBD II scan tool's instruction book).
  6. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  table to confirm the details of the DTCs.
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