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:
Pointer Displayed/not Displayed Repeatedly
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
When replacing the radio receiver assembly, always replace it with a new one.
If a radio receiver assembly which was installed to another vehicle is u
Lost Communication with EV ECU (U0100,U0129,U0131,U0142,U0151,U0163,U0182,U023A)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0100 Lost Communication with EV ECU Both conditions are met:
IG voltage is 10.5 V or higher.
No communication with the ECM or hybrid vehicle control ECU continues for 2 seconds or more.
ECM
Hybri
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