DESCRIPTION
The front center ultrasonic sensor LH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor LH. If the front center ultrasonic sensor LH has an open circuit or other malfunction, it will not function normally.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1AE2 | Front Left Center Sensor | A malfunction of the front center ultrasonic sensor LH. |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the engine switch on (IG) and the intuitive parking assist system on. Then clear the DTCs.
Click here
PROCEDURE
1. | CHECK DTC OUTPUT |
(a) Check for DTCs.
Click here
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes Result | Proceed to |
---|---|
Only DTC C1AE2 is output | A |
DTC C1AE2 and C1AEC are output | B |
No DTCs are output | C |
B | GO TO DTC (C1AEC) |
C | USE SIMULATION METHOD TO CHECK |
|
2. | REPLACE FRONT CENTER ULTRASONIC SENSOR LH |
(a) Replace the front center ultrasonic sensor LH with a known good one.
Click here
HINT:
All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
|
3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs.
Click here
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes Result | Proceed to |
---|---|
DTC C1AE2 is output | A |
No DTCs are output | B |
A | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B | END (FRONT LEFT CENTER SENSOR WAS DEFECTIVE) |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Airbag System: Airbag ECU Malfunction1 (B1160-B1167)
DESCRIPTION The airbag sensor assembly consists of the acceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc. If the airbag sensor assembly receives signals from the acceleration sensor and pressure sensor, it determines whether the airbags, pretensioners and se ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Front Radar Sensor System: Utility
UTILITY NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information ...