Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of the problem symptoms. The potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to this system before inspecting the suspected areas below.

  Front power seat control system 

  FRONT POWER SEAT CONTROL SYSTEM - PROBLEM SYMPTOMS CHART
  
  

  Symptom	Suspected area	See
  Front Power Seat does not Operate with Front Power Seat Switch (slide, front vertical, lifter, reclining, lumbar support functions do not operate)	1. Fuse (D P/SEAT, P P/SEAT, MPX-IG, MPX-B1, D/C CUT, AM1)	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	2. IG1 relay	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	3. Wire harness and connector	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	4. Position control ECU (driver, front passenger side)	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	5. Front power seat switch LH, RH (slide, front vertical, lifter, reclining switch)	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	6. Power seat motor (slide, front vertical, lifter, reclining motor)	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	7. Lumbar front power seat switch LH, RH	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  	8. Lumbar support adjuster motor	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
  Power Seat Position is not Memorized	1. Position control ECU (driver, front passenger side)	POWER SEAT POSITION IS NOT MEMORIZED
  	2. Seat memory switch LH, RH	POWER SEAT POSITION IS NOT MEMORIZED
  	3. Wire harness and connector	POWER SEAT POSITION IS NOT MEMORIZED
  	4. Multiplex network door ECU front LH, RH (driver, front passenger door ECU)	POWER SEAT POSITION IS NOT MEMORIZED
  Power Seat does not Return to Memorized Position	1. Combination meter	POWER SEAT DOES NOT RETURN TO MEMORIZED POSITION
  	2. Position control ECU LH, RH	POWER SEAT DOES NOT RETURN TO MEMORIZED POSITION
  	3. Front seat adjuster outer LH, RH (position control sensor)	POWER SEAT DOES NOT RETURN TO MEMORIZED POSITION