1998 Lexus LS 400FACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Grounds

GROUNDS

Component Component Location
BK Under right front seat. See Figure.
BL Under driver's seat. See Figure.
BM At bottom of right rear pillar. See Figure.
BN At right rear of trunk. See Figure.
EA At front of right fender. See Figure.
EB At front of left fender. See Figure.
EC Rear of right cylinder head. See Figure.
ED Rear of left cylinder head. See Figure.
IE Behind dash, on left side of J/B. See Figure.
IF Behind instrument cluster. See Figure.
IG At right dash brace. See Figure.
IH At right side of dash. See Figure.
II At left dash brace. See Figure.
IJ At right dash brace. 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.

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