Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure listed to troubleshoot the Dynamic Torque Control AWD system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
| 3. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN DTC is not output | A |
| CAN DTC is output | B |
| B |  | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
| 4. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
(b) Check for freeze frame data.
HINT:
Write down or print DTCs and freeze frame data if necessary.
(c) Clear the DTCs and freeze frame data.
Click here
(d) Recheck for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC does not reoccur | A |
| DTC does reoccur | B |
| B | | GO TO STEP 7 |
|
| 5. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault not listed in problem symptoms table | A |
| Fault listed in problem symptoms table | B |
| B | | GO TO STEP 7 |
|
| 6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
|
| 7. | REPAIR OR REPLACE |
|
| 8. | CONFIRM TEST |
| NEXT | | END |
Calibration
CALIBRATION DESCRIPTION (a) When the 4WD ECU assembly is replaced with a known good one from another vehicle or the acceleration sensor (airbag ECU assembly*1 or yaw rate sensor assembly*2) is replace ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Radar Cruise Control System: Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received (U040181)
DESCRIPTION If the ECM cannot recognize the forward recognition camera. DTC U040181 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from U040181 Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received Approximately 17 seconds or ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Axle Hub: Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR WHEEL Click here 2. REMOVE REAR SUSPENSION ARM COVER Click here 3. REMOVE REAR AXLE SHAFT NUT (for AWD) (a) Using SST and a ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- For safety and security
- Instrument cluster
- Operation of each component
- Driving
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- When trouble arises
- Vehicle specifications
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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