Lexus NX: System Description
Lexus NX Service Manual / Vehicle Interior / Seat / Climate Control Seat System / 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
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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
SEE MORE:
Internal Control Module Software Incompatibility Invalid/Incompatible Software Component (U030057)
DESCRIPTION If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the hybrid vehicle control ECU, the forward recognition camera stores DTC U030057. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU cannot be customized via the navigation system vehicle customization screen. HINT: The certification ECU controls the smart access system with push-button start (for Entry Function) related items that are customizable via
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