Lexus NX: 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/Heater Operation" is displayed on the multi-information display in the combination meter assembly, inspect the auxiliary battery, referring to On-vehicle Inspection for the charging system.

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    HINT:

    If the auxiliary battery voltage is low, "Operation Limitation Control History Count (Level 1)" and "Operation Limitation Control History Count (Level 2) is counted.

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  • If the auxiliary battery voltage is low, the seat heater system may not operate. Refer to Data List for the power steering system.

    for Manual Tilt and Manual Telescopic Steering Column Power: Click here

    for Power Tilt and Power Telescopic Steering Column: Click here

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 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):

 System Description

SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch on the air conditioning control assembly, the temperature can be controlled within the range of 32 to 43°C (89 to 109°F).

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 ENGINE ROOM RELAY BLOCK - AM2 FUSE - - ILLUSTRATION *A w/o Power Back Door System *B w/ Power Back Door System *1 BACK DOOR LOCK ASSEMBLY *2 BACK DOOR LOCK ASSEMBLY *3 BACK DOOR OPENER SWITCH ASSEMBLY *4 FRONT DOOR COURT

 Front Passenger Side Door ECU Communication Stop (B2322)

DESCRIPTION This DTC is output when LIN communication between the front power window regulator motor assembly RH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B2322 Front Passenger Side Door ECU

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