Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the windshield deicer system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
-
The following 5 items are important points for problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Driving conditions, weather conditions
How did it happen?
Problem symptoms
|
| 3. | PRE-CHECK |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN DTCs are not output | A |
| CAN DTCs are output | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table. | A |
| Fault is listed in Problem Symptoms Table. | B |
| B | | GO TO STEP 7 |
|
| 6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
|
| 7. | REPAIR OR REPLACE |
|
| 8. | CONFIRMATION TEST |
| NEXT | | END |
System Description
SYSTEM DESCRIPTION GENERAL The windshield deicer system uses thin heater wires attached to the inside of the windshield glass to help deice the window surface more quickly. An indicator light illumina ...
Operation Check
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. ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Front Seat Assembly: Precaution
PRECAUTION HINT:
The following procedures are used to prevent wrinkles from forming when installing the seat cover. Make sure to follow the procedures correctly.
The shape of the seat shown in the illustration may differ from the actual seat.
SEAT COVER SET (a) Align the center cutout of ...
Lexus RX (RX 350L, RX450h) 2016-2024 Owners Manual > Child restraint systems: Using an anchor bracket (for top tether strap)
■ Anchor brackets (for top tether strap)
Anchor brackets are provided for the following seats:
Second-row seats (RX450h)
Second-row seats (RX450hL)
Third-row left side seat
■ Fixing the top tether strap to the anchor bracket (second-row seats)
Install the child restraint system in ac ...
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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