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Home >> Lexus >> 2005 >> RX 330 AWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Front Power Seat Control System - Diagnostics >> Front Power Seat Control System (W/Memory) >> Problem Symptoms Table

Problem Symptoms Table

PROBLEM SYMPTOMS

Symptom Suspected Area Refer to
Power seat does not operate (manual or memorized positions)
  1. Power source circuit
  2. Position control ECU & switch assy
  3. Wire harness
  1. ECU POWER SOURCE CIRCUIT 
  2. -
  3. -
One function of power seat does not operate (manual or memorized positions)
  1. Power seat motor circuit
  2. Position control ECU & switch assy
  3. Wire harness
  1. POWER SEAT MOTOR CIRCUIT 
  2. -
  3. -
One or all manual seat functions do not operate (memorized positions OK)
  1. Position control ECU & switch assy
-
Memory function does not operate
  1. Power seat memory switch circuit
  2. Park/neutral position switch
  3. Power window regulator master switch assy
  4. Position control ECU & switch assy
  5. Wire harness
  1. MEMORY SWITCH CIRCUIT 
  2. DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT)
  3. -
  4. -
  5. -
All memory functions do not operate or operate a little then stop (manual functions OK)
  1. Position control ECU & switch assy
-
One memory function does not operate or operates a little then stops (manual functions OK)
  1. Position control ECU & switch assy
  2. Power seat motor assy
  1. -
  2. INSPECTION