Lexus ES manuals

Lexus ES: 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 sensor RH. If the front center ultrasonic sensor RH has an open circuit or other malfunction, it will not function normally.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE3

Front Right Center Sensor

A malfunction of the front center ultrasonic sensor RH.

  • Front center ultrasonic sensor RH
  • Clearance warning ECU assembly

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

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 C1AE3 is output

A

DTC C1AE3 and C1AEC are output

B

No DTCs are output

C

B

GO TO DTC (C1AEC)

C

USE SIMULATION METHOD TO CHECK

A

2.

REPLACE FRONT CENTER ULTRASONIC SENSOR RH

(a) Replace the front center ultrasonic sensor RH 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.

NEXT

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 C1AE3 is output

A

No DTCs are output

B

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

END (FRONT RIGHT CENTER SENSOR WAS DEFECTIVE)

READ NEXT:

 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

 Rear Left Center Sensor Malfunction (C1AE7)

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

SEE MORE:

 Replacement

REPLACEMENT PROCEDURE 1. REPLACE RING PIN NOTICE: It is not necessary to remove the ring pins unless they are being replaced. (a) Remove the 12 ring pins. (b) Using a plastic hammer, install 12 new ring pins. *a Top Side *b Bottom Side *c Protrusion Height *d 14 mm (0.551 in.)

 Drive Start Control

DESCRIPTION The drive start control is controlled by the ECM. If the ECM determines that the shift lever and accelerator pedal are operated abnormally, engine output is restricted and, when necessary, a warning is displayed on the combination meter assembly. CAUTION / NOTICE / HINT HINT: Even if th

© 2016-2025 Copyright www.lexguide.net