Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the occupant classification system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Confirm problem symptoms.
Click here .gif)
|
| 3. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check that the CAN communication system is functioning normally.
OK:
CAN communication system is functioning normally.
HINT:
-
Refer to CAN Bus Check in CAN Communication System.
Click here
- The occupant detection ECU 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. | PASSENGER AIRBAG ON/OFF INDICATOR CHECK |
(a) Refer to Diagnosis System.
Click here
|
| 5. | DTC CHECK (Present and History DTCs)* |
(a) Refer to DTC Check / Clear.
Click here
OK:
DTCs are not output.
| OK | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 6. | DIAGNOSTIC TROUBLE CODE CHART |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
|
| 7. | CIRCUIT INSPECTION* |
|
| 8. | REPAIR |
|
| 9. | CLEAR DTCS (Present and History DTCs)* |
(a) Refer to DTC Check / Clear.
Click here
|
| 10. | DTC CHECK* |
(a) Refer to DTC Check / Clear.
Click here
OK:
DTCs are not output.
| NG | | GO TO STEP 6 |
|
| 11. | SYMPTOM SIMULATION |
(a) Check the passenger airbag ON/OFF indicator condition.
|
| 12. | CONFIRMATION TEST |
| NEXT | | END |
System Description
SYSTEM DESCRIPTION GENERAL (a) The occupant detection ECU estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The occupant detection ECU determine ...
Initialization
INITIALIZATION DESCRIPTION (a) Zero point of the occupant classification sensors may deviate in the following situations. To ensure sensor accuracy, be sure to perform Zero Point Calibration.
The o ...
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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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