Front Power Seat Control System: Inspection

INSPECT SEAT MEMORY SWITCH (w/ MEMORY)

Inspect the switch continuity.

Standard:

SEAT MEMORY SWITCH (w/ MEMORY)

Terminal No.	Switch Position	Specified Condition
1 <=> 2	SET Switch ON	Continuity
2 <=> 3	SW1 Switch ON	Continuity
2 <=> 4	SW2 Switch ON	Continuity

If the result is not as specified, replace the switch assy.

Fig 1: Inspecting Seat Memory Switch (With Memory)

INSPECT FRONT POWER SEAT SWITCH LH (w/o MEMORY)
1. Inspect the continuity between the terminals when each switch is operated.
  
  Fig 2: Inspecting Front Power Seat Switch LH (Without Memory)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard (Slide switch):

Fig 3: Front Power Seat Switch LH - Slide Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard (Front vertical switch):

Fig 4: Front Power Seat Switch LH - Front Vertical Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard (Lifter switch):

Fig 5: Front Power Seat Switch LH - Lifter Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard (Reclining switch):

Fig 6: Front Power Seat Switch LH - Reclining Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the front power seat switch.
INSPECT FRONT POWER SEAT SWITCH RH
1. Inspect the continuity between the terminals when each switch is operated.
  
  Fig 7: Inspecting Front Power Seat Switch RH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard (Slide switch):

Fig 8: Front Power Seat Switch RH - Slide Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard (Reclining switch):

Fig 9: Front Power Seat Switch RH - Reclining Switch Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the front power seat switch.
INSPECT POWER SEAT SWITCH ASSY (LUMBAR SUPPORT)
1. Inspect the continuity between the terminals when the switch is operated.
Standard:

Fig 11: Power Seat Switch Assy (Lumbar Support) Continuity Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the power seat switch assy.
INSPECT FRONT SEAT ADJUSTER ASSY
1. Inspect operation of the slide motor.
  1. Check that the motor rotates smoothly when the battery is connected to the slide motor connector terminals.
  Fig 12: Inspecting Slide Motor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standards:
  
  Fig 13: Front Seat Adjuster Assy - Slide Motor Operational Direction Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the slide motor.
2. LH side:
  Inspect operation of the front vertical motor.
  1. Check that the motor rotates smoothly when the battery is connected to the front vertical motor connector terminals.
    
    Fig 14: Inspecting Front Vertical Motor Operation (LH Side)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Standard:
    
    Fig 15: Front Seat Adjuster Assy - Front Vertical Motor Operational Direction Table (LH Side)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  If the result is not as specified, replace the front vertical motor.
3. LH side:
  Inspect operation of the lifter motor.
  1. Check that the motor rotates smoothly when the battery is connected to the lifter motor connector terminals.
  Fig 16: Inspecting Lifter Motor Operation (LH Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 17: Front Seat Adjuster Assy - Lifter Motor Operational Direction Table (LH Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the lifter motor.
4. Inspect operation of the reclining motor.
  1. Check that the motor rotates smoothly when the battery is connected to the reclining motor connector terminals.
  Fig 18: Inspecting Reclining Motor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 19: Front Seat Adjuster Assy - Reclining Motor Operational Direction Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, replace the reclining motor.
LH side:
INSPECT LUMBAR SUPPORT ADJUSTER ASSY
1. Inspect operation of the motor.
  
  Fig 20: Inspecting Lumbar Support Adjuster Assy Motor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 21: Front Seat Adjuster Assy - Lumbar Support Adjuster Assy Motor Operational Direction Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, replace the lumbar support adjuster motor.