Lexus NX: Refrigerant
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Precaution
PRECAUTION PRECAUTIONS FOR REFRIGERANT HFO-1234yf (R1234yf) (a) Compatibility (1) The parts used in the refrigerant cycle, etc. of the HFO-1234yf (R1234yf) system are not compatible with the conventio
Replacement
REPLACEMENT PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (a) Turn the power switch on (READY). (b) Operate the cooler compressor under the conditions shown below: Item Condition
Refrigerant Line
ComponentsCOMPONENTS ILLUSTRATION *1 LIQUID TUBE SUB-ASSEMBLY *2 DISCHARGE HOSE SUB-ASSEMBLY *3 SUCTION HOSE SUB-ASSEMBLY *4 AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY *5 P
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IG Signal Circuit
DESCRIPTION This circuit detects whether the power switch is on (IG) or off, and sends this information to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedur
Installation
INSTALLATION PROCEDURE 1. INSTALL OCCUPANT DETECTION ECU (a) Attach the claw to install the occupant detection ECU. NOTICE: If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one. (b)
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