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.
2010 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE
Problem Symptoms Table
HINT:
- Use the table below to help determine the cases of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
ELECTRIC POWER CONTROL SYSTEM
| Symptom | Suspected Area | Refer To |
|---|---|---|
| Indicator and charge warning light illuminate | Battery | - |
| Generator | Refer to INSPECTION | |
| Charging system | Refer to ON-VEHICLE INSPECTION | |
| Indicator and each systems indicator illuminate | Battery | - |
| Generator | Refer to INSPECTION | |
| Charging system | Refer to ON-VEHICLE INSPECTION | |
| Each system | - | |
| Load control linked component does not operate | Check load control history | Refer to OPERATION CHECK |
| Each system | - | |
| Power cut linked part does not operate | Each system | - |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.