OPERATION CHECK
CHECK WINDOW DEFOGGER SYSTEM
(a) Turn the engine switch on (IG).
(b) Check that the rear window defogger wire (back window glass) becomes warm by operating the rear window defogger switch of the air conditioning control assembly.
(c) When the vehicle is stopped, confirm that the window defogger system operation stops after approximately 15 minutes.
NOTICE:
If the battery voltage is low, the window defogger system may not operate. When "Operation of Electrical Items Restricted." is not displayed on the multi-information display in the combination meter assembly, check the Data List item "Battery Control Count (Body ECU)".
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How To Proceed With Troubleshooting
Problem Symptoms TableLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Occupant Classification System: Parts Location
PARTS LOCATION ILLUSTRATION *1 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 8 FUSE - - ILLUSTRATION *1 AIRBAG SENSOR ASSEMBLY *2 OCCUPANT DETECTION ECU *3 - PASSENGER SIDE BUCKLE SWITCH FRONT SEAT INNER BELT ASSEMBLY RH *4 RADIO RECEIVER ASSEMBLY ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Windshield Deicer System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Intelligent Clear ...