LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 393 (Front Power Seat Control System) >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS

Symptom Suspected Area See
Power seat does not operate
  1. Front power seat switch
  2. PWR SEAT fuse
  3. Wire harness
INSPECTION 
SYSTEM WIRING DIAGRAMS
-
Only slide operation function does not operate
  1. Front power seat switch
  2. Slide motor
  3. Wire harness
  4. Seat memory switch (w/ Memory)
INSPECTION 
INSPECTION 
-
INSPECTION 
Only front vertical operation function does not operate (Driver seat only)
  1. Front power seat switch
  2. Front vertical motor
  3. Wire harness
  4. Seat memory switch (w/ Memory)
INSPECTION 
INSPECTION 
-
INSPECTION 
Only lifter operation function does not operate (Driver seat only)
  1. Front power seat switch
  2. Lifter motor
  3. Wire harness
  4. Seat memory switch (w/ Memory)
INSPECTION 
INSPECTION 
-
INSPECTION 
Only reclining operation function does not operate
  1. Front power seat switch
  2. Reclining motor
  3. Wire harness
  4. Seat memory switch (w/ Memory)
INSPECTION 
INSPECTION 
-
INSPECTION 
Only lumbar support function does not operate (Driver seat only)
  1. Power seat switch assy (Lumbar support)
  2. Reclining motor
  3. Wire harness
INSPECTION 
INSPECTION 
-