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Home >> Lexus >> 2003 >> GX 470 >> Repair and Diagnosis >> Body & Frame >> Seats >> Front Power Seat Control System (W/Memory) - Diagnosis >> Problem Symptoms Table
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Problem Symptoms Table

PROBLEM SYMPTOMS

Symptom Suspected Area Action
All manual and return functions do not operate.
  1. Power source circuit
  2. Position control ECU & switch assy
  3. Wire harness
  1. POWER SOURCE CIRCUIT 
  2. -
  3. -
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
  1. POWER SEAT MOTOR CIRCUIT 
  2. -
  3. -
One or all functions do not operate for manual operation only.
  1. Position control ECU & switch assy
  1. -
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
  1. MEMORY SWITCH CIRCUIT 
  2. -
  3. DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT)
  4. -
  5. -
All return operation do not operate or operates partially, then stop.
  1. Position control ECU & switch assy
  1. -
Only one return operation does not operate or operates partially, then stops.
  1. Position control ECU & switch assy
  2. Power seat motor
  1. -
  2. INSPECTION
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