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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 Inspection

INSPECTION PROCEDURE 1. INSPECT REAR NO. 3 SPEAKER ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: for 10 Speakers Tester Connection Condition Specified Condition 1 - 2 Always 2.5 Ω for 14 Speakers Tester Connection C

 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U029387)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message Communication stop occurs between the forward recognition camera and airbag ECU assembly continuously for 5

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