2011 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE

Service Data

Charging circuit without load Standard amperage: 10 A or less
Standard voltage: 13.2 to 14.8 V
Charging circuit with load Standard amperage: 30 A or more
Brush length Standard: 10.5 mm (0.413 in.)
Minimum: 4.5 mm (0.177 in.)
Generator rotor assembly Slip ring - slip ring resistance: 1.5 to 1.9 kΩ at 20°C (68°F)
Slip ring - rotor resistance: 1 MΩ or higher
Standard slip ring diameter: 14.2 to 14.4 mm (0.559 to 0.567 in.)
Minimum slip ring diameter: 14.0 mm (0.551 in.)
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.