Lexus NX: System Description

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 determined by checking if the climate control switch indicator light is on or off.

(c) The blowers of both seats are controlled by the air conditioning amplifier assembly.

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 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the climate control seat system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

 Operation Check

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

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage is low, the climate control seat system may not operate. When "High Power Consumption Partial Limit On AC/Heater Operation." is displ

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 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Road Sign Assist / Trouble Codes. Body Electrical > Road Sign Assist > Trouble Codes (e) Check for DTCs (Test Fail

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The power back door system troubleshooting procedure is based on the premise that the smart access system with push-button start (for Entry Function) is operating normally. Check the smart access system with push-button start (for Entry Function) first before trouble

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