Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake System (C1A50)
DESCRIPTION
When a vehicle stability control system malfunction signal sent from the skid control ECU assembly is detected by the clearance warning ECU assembly, DTC C1A50 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A50 | Brake System | When the engine switch is on (IG), a VSC warning light malfunction signal is detected for 1 second or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
Click here
.gif)
-
After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
Click here
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
Click here
HINT:
After turning the engine switch from off to on (IG), wait 4 seconds or more before checking for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream.
Click here
(c) Recheck for DTCs.
Click here
HINT:
- DTC C1A50 is stored when a malfunction signal sent from the vehicle stability control system is detected.
- If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1A50 will not be output again.
-
If DTC C1A50 is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC C1A50 is output | A |
| DTC C1A50 is not output | B |
| A | .gif) | GO TO VEHICLE STABILITY CONTROL SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
Stop Light Relay Circuit (C1A4B)
DESCRIPTION When a stop light relay circuit malfunction signal sent from the vehicle stability control system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No. Detec ...
Steering Angle Midpoint Initial Setting Incomplete (C1AEA)
DESCRIPTION When the clearance warning ECU assembly detects that the steering angle neutral point memorization is incomplete during self diagnosis, C1AEA is stored. DTC No. Detection Item DTC D ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Cylinder Head Gasket: Components
COMPONENTS ILLUSTRATION *A Type A *B Type B *C w/ Oil Cooler - - *1 IGNITION COIL ASSEMBLY *2 VACUUM PUMP ASSEMBLY *3 V-RIBBED BELT *4 GENERATOR ASSEMBLY *5 COMPRESSOR AND MAGNETIC CLUTCH *6 V-RIBBED BELT TENSIONER ASSEMBLY *7 WATER PUMP PULLEY ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Linear Solenoid Power Supply System Malfunction (C120C)
DESCRIPTION This DTC is output by the 4WD ECU assembly if a malfunction occurs in the linear solenoid power supply system. DTC No. Detection Item DTC Detection Condition Trouble Area C120C Linear Solenoid Power Supply System Malfunction
When the 4WD relay is operating, the 4WD re ...
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
0.0102