Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Indicator Circuit
DESCRIPTION
The forward recognition camera sends indicator illumination request signals to the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
-
If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera adjustment.
HINT:
Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.
One Time Recognition: Click here
.gif)
Sequential Recognition: Click here
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
PROCEDURE
| 1. | READ VALUE USING TECHSTREAM (CAN BUS CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: System Select / Can Bus Check.
CAN Bus Check| Result | Proceed to |
|---|---|
| All of the ECUs and sensors that are currently connected to the CAN communication system are displayed | A |
| None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
.gif)
| 2. | CHECK FOR DTCs (HEALTH CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: System Select / Health Check.
(e) Check for DTCs.
(f) Turn the engine switch off.
| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| DTCs are output | B |
| B | | GO TO DTC CHART |
|
| 3. | PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
Body Electrical > Combination Meter > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Meter Display 1 | Multi-information display | OFF or All | - |
| Tester Display |
|---|
| Meter Display 1 |
(f) Turn the engine switch off.
| Result | Proceed to |
|---|---|
| The multi-information display turns on according to the operation of the Active Test | A |
| The multi-information display does not turn on according to the operation of the Active Test | B |
| B | | REPLACE COMBINATION METER ASSEMBLY |
|
| 4. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Lane Control / Data List.
(e) Read the Data List according to the display on the Techstream.
Chassis > Lane Control > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| LDA Control | Lane control system control status | Prohibit or Permit | Prohibit: Control prohibited Permit: Control permitted | - |
| Tester Display |
|---|
| LDA Control |
| Result | Proceed to |
|---|---|
| The LTA indicator illuminates and the Data List item LDA Control changes according to the operation of the LTA main switch | A |
| The LTA indicator does not illuminate but the Data List item LDA Control changes according to the operation of the LTA main switch | B |
| The LTA indicator does not illuminate and the Data List item LDA Control does not change according to the operation of the LTA main switch | C |
| A | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| B | | REPLACE COMBINATION METER ASSEMBLY |
| C | | REPLACE FORWARD RECOGNITION CAMERA |
Steering Pad Switch Circuit
DESCRIPTION The forward recognition camera receives LTA main switch signals from the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supple ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Drive Belt: Precaution
PRECAUTION NOTICE:
Do not apply or add any oil or grease to the belt tensioner to prevent abnormal noises from the belt tensioner pulley, belt squealing, etc.
Do not allow oil or grease to adhere to the moving parts of the belt tensioner, as this may cause malfunctions.
If oil or grease ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Cellular Phone Registration Failure
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here HINT: If the operation of a cellular phone or the rad ...
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
0.0146