ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN SYSTEM
CAUTION:
To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when inspecting the cooling fan system.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Engine Cooling Fan Duty Ratio.
Powertrain > Engine > Active Test Tester Display |
---|
Control the Engine Cooling Fan Duty Ratio |
(e) Check the operation of the cooling fan while operating it using the Techstream.
OK:
Active Test Operation | Fan Operation |
---|---|
30 - 100% | Cooling fans operate |
0% | Cooling fans stop |
If the cooling fan motor does not operate, check the cooling fan circuit.
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Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Driving tips: Winter driving tips
Carry out the necessary preparations and inspections before driving the
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Pre-winter preparations
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