OPERATION CHECK
CHECK WINDSHIELD DEICER SYSTEM
(a) Turn the engine switch on (IG).
(b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch.
(c) Confirm that windshield deicer system operation stops after approximately 15 minutes.
NOTICE:
If the battery voltage is low, the windshield deicer 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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Lexus RX (RX 350L, RX450h) 2016-2024 Owners Manual > Driving tips: Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle
in winter. Always drive the vehicle in a manner appropriate to the prevailing
weather conditions.
Pre-winter preparations
Use fluids that are appropriate to the prevailing outside temperatures.
Engine oil
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Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Can Communication System: Check Bus 4 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 22 (CA2H) of the network gateway ECU and terminal 4 (CG) of the DLC3, or terminal 7 (CA2L) of the network gateway ECU and terminal 4 (CG) of the DLC3. Symptom Trouble A ...