CAUTION / NOTICE / HINT
HINT:
Click here
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
HINT:
What | Vehicle model, system name |
When | Date, time, occurrence frequency |
Where | Road conditions |
Under what conditions? | Driving conditions, weather conditions |
How did it happen? | Problem symptoms |
|
3. | PRE-CHECK |
(a) Measure the 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.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
4. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
Result | Proceed to |
---|---|
CAN DTCs are not output | A |
CAN DTCs are output | B |
B | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
5. | CHECK FOR DTC* |
(a) Check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTC C1A1100 is output | B |
DTCs other than C1A1100 are output | C |
A | ![]() | GO TO STEP 7 |
B | ![]() | GO TO DTC CHART (C1A1100) |
|
6. | RECONFIRM DTC OUTPUT* |
(a) Using the Techstream, Clear the DTCs.
Body Electrical > Front Radar Sensor > Clear DTCs(b) Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
HINT:
Refer to each corresponding DTC for details on the detection conditions.
Click here
(c) Using the Techstream, check for DTCs.
Body Electrical > Front Radar Sensor > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | ![]() | GO TO DTC CHART |
|
7. | CHECK VEHICLE CONTROL HISTORY* |
(a) Using the Techstream, check for Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility Tester Display |
---|
Vehicle Control History (RoB) |
(b) Make a note of the output Vehicle Control History (RoB).
Result | Proceed to |
---|---|
Vehicle Control History (RoB) codes are not output | A |
Vehicle Control History (RoB) code X2026 or X2028 is output | B |
Vehicle Control History (RoB) codes other than X2026 and X2028 are output | C |
A | ![]() | GO TO SYMPTOM SIMULATION |
B | ![]() | GO TO VEHICLE CONTROL HISTORY (X2026 or X2028) |
|
8. | RECONFIRM VEHICLE CONTROL HISTORY* |
(a) Using the Techstream, clear the Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility Tester Display |
---|
Vehicle Control History (RoB) |
(b) Using the Techstream, check for Vehicle Control History (RoB).
Body Electrical > Front Radar Sensor > Utility Tester Display |
---|
Vehicle Control History (RoB) |
Result | Proceed to |
---|---|
Vehicle Control History (RoB) codes are not output | A |
Vehicle Control History (RoB) codes are output | B |
A | ![]() | GO TO SYMPTOM SIMULATION |
B | ![]() | GO TO VEHICLE CONTROL HISTORY |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Cylinder Head: Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during engine unit removal/installation are shown below. Necessary Procedure After Parts Removed/Installed ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Brake Actuator (Skid Control ECU) Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Brake Actuator (Skid Control ECU) Communication Stop Mode Either condition is met:
"Skid Control (ABS/VSC/TRAC)" is not displayed on the CAN Bus Check screen of the Techstream.
Click here
Communication system DTCs (DTCs that star ...