Lexus NX: System Diagram
SYSTEM DIAGRAM

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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 determi
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 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
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RELATED DTCS DTC No. Monitoring Item Link P00FE EVAP vent line blocked P043E Reference orifice clogged (built into canister pump module) P043F Reference orifice high-flow (built into canister pump module) P0441
Purge VSV (Vacuum Switching Valve) stuck clos
DESCRIPTION This DTC is output when the headlight ECU sub-assembly receives an abnormal signal from the headlight unit. The headlight ECU sub-assembly LH outputs DTC B2439 and B243A DTC No. Detection Item DTC Detection Condition Trouble Area B2439 Headlamp LH Circuit Headlight ECU s