2011 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

DTC Check/Clear

  1. CHECK DTC 
    1. Connect the Techstream (with CAN VIM) to the DLC3.
    2. Turn the power switch ON (IG).
    3. Read the DTCs by following the directions on the tester's screen.

      HINT: 

      • When using the Techstream with the power switch OFF to troubleshoot:

        Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.

      • Refer to the Techstream operator's manual for further details.
  2. CLEAR DTC 
    1. Connect the Techstream (with CAN VIM) to the DLC3.
    2. Turn the power switch ON (IG).
    3. Erase the DTCs by following the directions on the tester's screen.

      HINT: 

      • When using the Techstream with the power switch OFF to troubleshoot:

        Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.

      • Refer to the Techstream operator's manual for further details.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.