Lexus RX (RX 350L, RX450h) 2016-2024 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) 2016-2024 Repair Manual > Door Courtesy Light: Installation
INSTALLATION PROCEDURE 1. INSTALL COURTESY LIGHT BULB (for Bulb Type) (a) Install the courtesy light bulb to the courtesy light housing as shown in the illustration. Install in this Direction (b) Install the courtesy light cover to the courtesy light housing as shown in the illustration. ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Airbag System: Lost Communication with Restraints Occupant Classification System Module (U0154)
DESCRIPTION The airbag sensor assembly sends/receives signals to/from each ECU via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode U0154 Lost Communication with Restraints Occupant Classification System Module ...
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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