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 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 ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Millimeter Wave Radar Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Millimeter Wave Radar Sensor Communication Stop Mode Either condition is met:
"Front Radar" is not displayed on the CAN Bus Check screen of the Techstream.
Click here
Communication system DTCs (DTCs that start with U) that corres ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Engine Switch: Components
COMPONENTS ILLUSTRATION *1 ENGINE SWITCH *2 INSTRUMENT CLUSTER FINISH PANEL ORNAMENT *3 LOWER INSTRUMENT FINISH PANEL SUB *4 LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL *5 LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL - - ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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