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Home >> Lexus >> 1996 >> SC 400 >> Repair and Diagnosis >> Body & Frame >> Seats - Power W/Memory >> Component Testing >> Power Seat Motor Test
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Power Seat Motor Test

  1. Disconnect seat motor 2-pin connector. Apply battery voltage between power seat motor connector terminals.
  2. On all models, motor should operate. Reverse polarity to seat motor connector terminals. Motor should operate in opposite direction. If power seat motor does not function as specified, replace power seat motor.
  3. If power seat motor operates as specified, move seat fully in one direction until it stops. With seat stopped, keep battery voltage applied to terminals until circuit breaker is heard operating (within 60 seconds). If circuit breaker does not operate, replace power seat motor.
  4. If circuit breaker operates, reverse polarity and wait until seat moves in opposite direction. If seat moves in opposite direction within 60 seconds, power seat motor is okay. If seat does not move in opposite direction within 60 seconds, replace power seat motor.