Lexus NX: Precaution

PRECAUTION

POWER FOLDING SEAT FUNCTION HANDLING PRECAUTIONS

NOTICE:

  • When operating the rear power seat, make sure nothing is in the path of movement.
  • When operating the rear power seat, do not allow body parts or foreign objects to interfere with the seat or other components as injuries or damage to components may result.
  • When the rear power seat is operated by the rear power seat switch, No. 1 fold seat switch assembly or No. 2 fold seat switch assembly and a jam is detected between the seat cushion and seatback, the rear power seat stops moving and the buzzer sounds.
  • When the fold seat control ECU is replaced, initialization must be performed. If initialization is not performed, the fold operation, return operation, reclining operation and jam protection function do not operate.

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 REAR POWER SEAT SWITCH (REAR RIGHT SEAT) *2 REAR POWER SEAT SWITCH (REAR LEFT SEAT) *3 NO. 2 FOLD SEAT SWITCH ASSEMBLY *4 REAR SEATBACK FRAME SUB-ASS

 System Diagram

SYSTEM DIAGRAM

 System Description

SYSTEM DESCRIPTION REAR POWER SEAT CONTROL SYSTEM DESCRIPTION This system has the following functions: reclining, folding and return, and jam protection. Both the left and right seats are equippe

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 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System DTC No. Detection Item Link B2341 Sensor (Motor) Failure B2342 Switch Failure B2343 Position Initialization Incomplete B2344 Position Failure

 Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)

DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure When the power switch

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