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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 404 (Front Power Seat Control System (W/Memory) - Diagnosis) >> Problem Symptoms Table
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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
All manual and return functions do not operate.
  1. Power source circuit
  2. Position control ECU & switch assy
  3. Wire harness
POWER SOURCE CIRCUIT 
-
-
One function for both manual and return operation do not operate.
  1. Power seat motor circuit
  2. Position control ECU & switch assy
  3. Wire harness
POWER SEAT MOTOR CIRCUIT 
-
-
One or all functions do not operate for manual operation only.
  1. Position control ECU & switch assy
-
Memory function does not operate.
  1. Power seat memory switch circuit
  2. Ignition switch circuit
  3. Park/neutral position switch circuit
  4. Position control ECU & switch assy
  5. Wire harness
MEMORY SWITCH CIRCUIT 
-
AIR BAG SAFETY PRECAUTIONS
-
-
All return operation do not operate or operates partially, then stop.
  1. Position control ECU & switch assy
-
Only one return operation does not operate or operates partially, then stops.
  1. Position control ECU & switch assy
  2. Power seat motor
-
INSPECTION