Lexus NX: System Diagram
SYSTEM DIAGRAM

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SYSTEM DESCRIPTION GENERAL (a) The seat blower has 3 levels, controlled by operating the climate control switch on air conditioning control assembly. (b) Whether the blower is on or off can be determi
CAUTION / NOTICE / HINT HINT:
Use this procedure to troubleshoot the climate control seat system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK AIR DUST (a) Check that there are no cracks or damage on the air ducts of the seat climate control blower and seatback climate control blower, and that the air ducts are installe
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COMPONENTS ILLUSTRATION *1 COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY *2 FRONT FENDER TO COWL SIDE SEAL LH *3 FRONT FENDER TO COWL SIDE SEAL RH *4 FRONT WIPER ARM HEAD CAP *5 FRONT WIPER ARM LH *6 FRONT WIPER ARM RH *7 NO. 1 WINDSHIELD OUTSIDE MOULDING CLIP *8 WI
DESCRIPTION This DTC is output when the multiplex network door ECU detects a power back door sensor assembly RH touch sensor malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B222B PBD Touch Sensor RH Circuit Multiplex network door ECU detects power back door