DESCRIPTION
The rear center ultrasonic sensor LH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor LH. If the rear 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 |
---|---|---|---|
C1AE7 | Rear Left Center Sensor Malfunction | A malfunction of the rear 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
Result | Proceed to |
---|---|
Only DTC C1AE7 is output | A |
DTC C1AE7 and C1AED are output | B |
No DTCs are output | C |
B | ![]() | GO TO DTC (C1AED) |
C | ![]() | USE SIMULATION METHOD TO CHECK |
|
2. | REPLACE REAR CENTER ULTRASONIC SENSOR LH |
(a) Replace the rear 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
(b) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTC C1AE7 is output | A |
No DTCs are output | B |
A | ![]() | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B | ![]() | END (REAR LEFT CENTER SENSOR WAS DEFECTIVE) |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Engine Switch: Components
COMPONENTS ILLUSTRATION *1 ENGINE SWITCH *2 INSTRUMENT CLUSTER FINISH PANEL ORNAMENT *3 LOWER INSTRUMENT FINISH PANEL SUB *4 LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL *5 LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL - - ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Electric Parking Brake System: Left Electric Parking Brake Actuator Circuit Current Above Threshold (C060E19)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C060E19 Left Electric Parking Brake Actuator Circuit Current Above Threshold When the electric parking brake is operating, overcurrent is detected in the parking brake actuator assembly LH 3 time ...