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.
2003 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA
| Battery | Specific gravity | at 20°C (68°F ) | 1.25-1.29 |
| Voltage | at 20°C(68°F ) | 12.5-12.9 V | |
| Generator | Rated output | 12V 130A | |
| Rotor coil resistance | at 20 ° C (68 ° F) | 2.3 - 2.7 ohm | |
| Slip ring diameter | STD | 14.2 - 14.4 mm (0.559 - 0.567 in.) | |
| Minimum | 14.0 mm (0.551 in.) | ||
| Brush exposed length | STD | 10.5 mm (0.413 in.) | |
| Minimum | 4.5 mm (0.177 in.) | ||
| Charging circuit | Without load | STD amperage | 10 A or less |
| STD voltage | 13.2-14.8 V | ||
| With load | STD amperage | 30 A or less | |
Factory Service Tools
Use the Manual With the Right Hardware
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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.