Lexus NX: Seat Heater System

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 Precaution

PRECAUTION FOR OPERATION OF ELECTRICAL ITEMS RESTRICTED NOTICE: If the auxiliary battery voltage is low, the seat heater system may not operate. When "High Power Consumption / Partial Limit On AC/H

 Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Rear Seat Heater - - *1 AIR CONDITIONING CONTROL ASSEMBLY *2 SEAT HEATER SWITCH (for Driver Side) *3 SEAT HEATER SWITCH (for Front Passenger

 System Diagram

SYSTEM DIAGRAM for Front: for Rear (w/ Rear Seat Heater):

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 Check Mode Procedure

CHECK MODE PROCEDURE NOTICE: Enter "Signal Check" from the "DTC Check" screen displayed on the Techstream to clear the output DTCs (both present and past). HINT: DTCs can be stored more sensitively in check mode than in normal diagnosis mode. Perform the check mode inspection when a malfunction

 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 / Combination Meter / Trouble Codes. (e) Check for DTCs. Body Electrical > Combination Meter > Trouble Codes CLEAR D

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