Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: On-vehicle Inspection
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.
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(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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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, engine speed and vehicle speed. The co ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Safety Connect System: Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE TELEMATICS SYSTEM (a) Customizing with the Techstream. NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a funct ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Fuel Pressure Sensor (for High Pressure): Components
COMPONENTS ILLUSTRATION *A w/ Dust Cap - - *1 FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH (FUEL PRESSURE SENSOR) *2 FUEL PIPE PLUG SUB-ASSEMBLY *3 DUST CAP SUB-ASSEMBLY *4 O-RING *5 NO. 1 FUEL INJECTOR BACK-UP RING *6 NO. 2 FUEL INJECTOR BACK-UP RING *7 N ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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