Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE
Operation Check
- CHECK LOAD CONTROL HISTORY
- Using the Techstream, read the Data List.
Electric Power Control
ELECTRIC POWER CONTROL REFERENCE CHARTItem Measurement Item/Display (Range) Normal Condition Diagnostic Note Ctrl Load Lv1 History Load control level 1 history count/ 0 to 255 History count until now - Ctrl Load Lv3 History Load control level 3 history count/ 0 to 255 History count until now - OK:
No load control history (each system may have malfunction)
NG: There is load control history (check charging system (see ON-VEHICLE INSPECTION ))
- Using the Techstream, read the Data List.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.