Lexus NX: System Diagram

SYSTEM DIAGRAM

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 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

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the rear power seat control system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER

 Operation Check

OPERATION CHECK CHECK BASIC FUNCTION (a) Operate the rear power seat switch, No. 1 fold seat switch assembly and No. 2 fold seat switch assembly and check that each switch function operates normally.

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 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY LH NOTICE: Prevention of static electricity is required during this procedure.

 Stop Light Relay Circuit (C1A4B)

DESCRIPTION When a stop light relay circuit malfunction signal sent from the pre-collision system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4B Stop Light Relay Circuit Stop light relay circu

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