Lexus ES: Front Left Center Sensor (C1AE2)
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 power switch on (IG) and the parking support alert system on. Then clear the DTCs.
Click here .gif)
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Check for DTCs.
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 | .gif) | GO TO DTC (C1AEC) |
| C | | USE SIMULATION METHOD TO CHECK |
|
.gif)
| 2. | REPLACE FRONT CENTER ULTRASONIC SENSOR LH |
(a) Replace the front center ultrasonic sensor LH with new or 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.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs.
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) |
READ NEXT:
Front Right Center Sensor (C1AE3)
DESCRIPTION The front center ultrasonic sensor RH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sens
Front Right Sensor Malfunction (C1AE4)
DESCRIPTION The front corner ultrasonic sensor RH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front corner ultrasonic sens
Rear Left Sensor Malfunction (C1AE6)
DESCRIPTION The rear corner ultrasonic sensor LH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor
SEE MORE:
System Diagram
SYSTEM DIAGRAM Sender Receiver Signal Communication Method Radio Receiver Assembly Air Conditioning Amplifier Assembly Front wiper deicer switch signal CAN
Components
COMPONENTS ILLUSTRATION *1 REAR FLOOR SIDE MEMBER COVER - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 CANISTER (CHARCOAL CANISTER ASSEMBLY) *2 LEAK DETECTION PUMP SUB-ASSEMBLY *3 NO. 2 CHARCOAL CANISTER SUB-ASSEMBLY *4 CLIP *5 FUEL
