2003 Lexus GX 470FACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

PROBLEM SYMPTOMS

Symptom Suspected Area Action
Tension reducer for driver side seat belt does not operate
  1. GAUGE fuse
  2. Front seat inner belt assy LH
  3. Front seat outer belt assy LH
  4. Wire harness
  1. -
  2. INSPECTIONΒ 
  3. INSPECTIONΒ 
  4. -
Tension reducer for passenger side seat belt does not operate
  1. GAUGE fuse
  2. Front seat inner belt assy RH
  3. Front seat outer belt assy RH
  4. Wire harness
  1. -
  2. INSPECTIONΒ 
  3. INSPECTIONΒ 
  4. -
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:

  • 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.