Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the airbag system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Confirm problem symptoms.
Click here .gif)
|
| 3. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
OK:
CAN communication system is functioning normally.
HINT:
-
Refer to Communication Bus Check in CAN Communication System.
Click here
- The airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
| NG | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 4. | SRS WARNING LIGHT CHECK |
(a) Proceed to Operation Check.
Click here
|
| 5. | CHECK FOR DTC* |
(a) Proceed to DTC Check / Clear.
Click here
OK:
DTCs are not output.
| NG | | GO TO STEP 12 |
|
| 6. | SYMPTOM SIMULATION |
(a) Proceed to How to Proceed with Troubleshooting.
Click here
|
| 7. | PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
|
| 8. | CIRCUIT INSPECTION* |
|
| 9. | IDENTIFICATION OF PROBLEM |
|
| 10. | REPAIR OR REPLACEMENT |
|
| 11. | CONFIRMATION TEST |
| NEXT | | END |
| 12. | DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
|
| 13. | CIRCUIT INSPECTION* |
|
| 14. | IDENTIFICATION OF PROBLEM |
|
| 15. | REPAIR OR REPLACEMENT |
|
| 16. | CONFIRMATION TEST |
| NEXT | | END |
System Description
SYSTEM DESCRIPTION FUNCTION OF CONNECTORS (a) Location of activation prevention mechanism (b) Function of activation prevention mechanism (1) This mechanism is designed to create a short circuit aut ...
Operation Check
OPERATION CHECK PRECAUTION FOR OPERATION CHECK CAUTION: Use the correct procedure to replace the airbag parts. CHECK SRS WARNING LIGHT (a) Primary check (1) Turn the engine switch on (IG) and check ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Actuator Supply Voltage "A" Stuck On (P06579E)
MONITOR DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage is usually 0 V when the engine switch is turned off. If the output voltage is 7 V or higher when the engine switch is turned off, the ECM ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Pre-collision System: Lost Communication with Image Processing Module "A" Missing Message (U023A87)
DESCRIPTION The forward recognition camera communicates with the skid control ECU (brake actuator assembly) via CAN communication. If a communication error is detected between the skid control ECU (brake actuator assembly) and forward recognition camera, the forward recognition camera stores this DT ...
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
0.0154