2004 Lexus RX 330 AWDFACTORY OEM SERVICE PROCEDURE

Circuit Protection Devices

CIRCUIT PROTECTION DEVICES LOCATION

Component Location
Engine Room R/B On left side of engine compartment. See Figure.
Fusible Link Block In engine room R/B. See Figure.
Instrument Panel J/B Left side of dash. See Figure.
Overhead J/B Front center of roof. See Figure.
J/B No. 2 In engine room R/B. See Figure.
J/B No. 3 Left side of dash. See Figure.
J/B No. 4 Right side of dash. See Figure.
R/B No. 1 Left side of dash. See Figure.
R/B No. 3 Right side of engine compartment. See Figure.
Rear J/B Left rear side of cargo area. See Figure.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.