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 intuitive parking assist system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | CUSTOMER PROBLEM ANALYSIS |
|
| 3. | INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN communication system DTCs are not output | A |
| CAN communication system DTCs are output | B |
| B |  | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | PROBLEM SYMPTOM CONFIRMATION |
|
| 6. | CHECK DTC* |
(a) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTCs are output | A |
| DTCs are not output (Problem symptom does not occur) | B |
| DTCs are not output (Problem symptom occurs) | C |
| B | | GO TO STEP 8 |
| C | | GO TO STEP 9 |
|
| 7. | DIAGNOSTIC TROUBLE CODE CHART (INTUITIVE PARKING ASSIST SYSTEM) |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
NOTICE:
The clearance warning ECU assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the intuitive parking assist system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.
| System | Proceed to |
|---|---|
| Intelligent Clearance Sonar System | |
| NEXT | | GO TO STEP 11 |
| 8. | SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
|
| 9. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table | A |
| Fault is listed in Problem Symptoms Table | B |
| B | | GO TO STEP 11 |
|
| 10. | OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
|
| 11. | CIRCUIT INSPECTION |
|
| 12. | IDENTIFICATION OF PROBLEM |
|
| 13. | REPAIR OR REPLACE |
|
| 14. | CONFIRMATION TEST |
| NEXT | | END |
System Diagram
SYSTEM DIAGRAM w/ Panoramic View Monitor System w/ Parking Assist Monitor System ...
Operation Check
OPERATION CHECK Self-diagnosis System (a) When a malfunction occurs in the intuitive parking assist system or the system cannot be used, a warning is displayed on the multi-information display, each i ...
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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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