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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DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B15AD Navigation Processor Malfunction When either of the conditions below is met:
A short to ground, short to +B or open occurs in the g
DESCRIPTION The airbag ECU assembly communication circuit consists of the occupant detection ECU and airbag ECU assembly. DTC B1790 is stored when a malfunction is detected in the airbag ECU assembly communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B179