2008 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

HINT:

Read freeze frame data using the Techstream. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

  1. CHECK DTC 
    1. Clear DTC (see DTC CHECK / CLEAR ).
    2. Turn the engine switch off.
    3. Disconnect the battery negative terminal and wait for 1 minute (see PRECAUTION ).
    4. Connect the battery negative terminal (see PRECAUTION ).
    5. Turn the engine switch on (IG).
    6. Connect the Techstream to the DLC3.
    7. Turn the Techstream ON.
    8. Enter the following menus: Powertrain / Engine / Trouble Codes.
    9. Check DTC.

      OK: P0607 is not present. 

    NG: REPLACE ECM  (See REMOVAL )

    OK: CHECK FOR INTERMITTENT PROBLEMS  (See CHECK FOR INTERMITTENT PROBLEMS )

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.

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