Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The ECM 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.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. | CUSTOMER PROBLEM ANALYSIS |
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| 3. | INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
|
| 4. | CONNECT TECHSTREAM TO DLC3* |
|
| 5. | CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Refer to DTC Check / Clear.
Click here .gif)
|
| 6. | VISUAL INSPECTION |
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| 7. | SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
|
| 8. | PROBLEM SYMPTOM CONFIRMATION |
(a) Refer to Road Test.
Click here
| Result | Proceed to |
|---|---|
| Symptom does not occur | A |
| Symptom occurs | B |
| B | .gif) | GO TO STEP 10 |
|
| 9. | SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
|
| 10. | DTC CHECK* |
(a) Refer to DTC Check / Clear.
Click here
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
| B | | GO TO STEP 20 |
|
| 11. | BASIC INSPECTION |
(a) Refer to Park/Neutral Position Switch.
Click here
(b) Refer to Transmission Control Cable.
Click here
| NG | | GO TO STEP 18 |
|
| 12. | MECHANICAL SYSTEM TESTS |
(a) Refer to Mechanical System Tests.
Click here
| NG | | GO TO STEP 17 |
|
| 13. | HYDRAULIC TEST |
(a) Refer to Hydraulic Test.
Click here
| NG | | GO TO STEP 17 |
|
| 14. | MANUAL SHIFTING TEST |
(a) Refer to Manual Shifting Test.
Click here
| NG | | GO TO STEP 16 |
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| 15. | PROBLEM SYMPTOMS TABLE CHAPTER 1 |
(a) Refer to Problem Symptoms Table.
Click here
| NG | | GO TO STEP 21 |
|
| 16. | PROBLEM SYMPTOMS TABLE CHAPTER 2 |
(a) Refer to Problem Symptoms Table.
Click here
|
| 17. | COMPONENT INSPECTION |
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| 18. | REPAIR OR REPLACE |
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| 19. | CONFIRMATION TEST |
| NEXT | | END |
| 20. | DTC CHART |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
|
| 21. | CIRCUIT INSPECTION |
|
| 22. | IDENTIFICATION INFORMATION |
| NEXT | | GO TO STEP 18 |
System Diagram
SYSTEM DIAGRAM ...
Road Test
ROAD TEST PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transaxle does not shift up, shift down, or t ...
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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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