Lexus IS250 · Service Manual BODY

INSPECTION

Inspection

INSPECT FRONT SEAT FRAME WITH ADJUSTER LH

B081621

Check operation of the seat frame (slide motor).
1. Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Forward
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Backward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (front vertical motor).
1. Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Upward
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Downward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (lifter motor).
1. Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Upward
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Downward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (reclining motor).
1. Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Forward
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Backward
  
  If the result is not as specified, replace the seat frame with adjuster.

INSPECT FRONT SEAT FRAME WITH ADJUSTER RH

B081621

Check operation of the seat frame (slide motor).
1. Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Forward
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Backward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (front vertical motor).
1. Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Upward
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Downward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (lifter motor).
1. Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Upward
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Downward
  
  If the result is not as specified, replace the seat frame with adjuster.

Check operation of the seat frame (reclining motor).
1. Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
  
  OK:
  
  Measurement Condition
  Operational Direction
  
  Battery positive (+) → 2
  Battery negative (-) → 1
  Forward
  
  Battery positive (+) → 1
  Battery negative (-) → 2
  Backward
  
  If the result is not as specified, replace the seat frame with adjuster.