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 Refer to DTC P2195. Click here HINT:
When any of these DTCs are stored, the ECM enters fail-safe mode. The ECM turns off the air fuel ratio sensor heater in fail-safe mode. Fail-safe mode continues until the power switch is turned off.
Although the DTC titles say oxygen sensor, th
DTC CHECK / CLEAR CHECK DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Tilt & Telescopic / Trouble Codes. Body Electrical > Tilt&Telescopic > Trou