Lexus ES manuals

Lexus ES: 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 LH. If the rear corner ultrasonic sensor LH has an open circuit or other malfunction, it will not function normally.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE6

Rear Left Sensor Malfunction

A malfunction of the rear corner ultrasonic sensor LH.

  • Rear corner ultrasonic sensor LH
  • 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 C1AE6 is output

A

DTC C1AE6 and C1AED are output

B

No DTCs are output

C

B

GO TO DTC (C1AED)

C

USE SIMULATION METHOD TO CHECK

A

2.

REPLACE REAR CORNER ULTRASONIC SENSOR LH

(a) Replace the rear corner 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.

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 C1AE6 is output

A

No DTCs are output

B

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

END (REAR LEFT CORNER SENSOR WAS DEFECTIVE)

READ NEXT:

 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

 Rear Right Center Sensor Malfunction (C1AE8)

DESCRIPTION The rear center ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor

 Rear Right Sensor Malfunction (C1AE9)

DESCRIPTION The rear corner ultrasonic sensor RH 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:

 Grille Shutter does not Operate

DESCRIPTION The swing grille actuator assembly receives signals from the ECM, hybrid vehicle control ECU and air conditioning amplifier assembly via CAN communication. Based on these signals, the swing grille actuator assembly operates the radiator shutter sub-assembly. WIRING DIAGRAM CAUTION / NOT

 Power Window Switch Malfunction (B2312)

DESCRIPTION The power window regulator motor assemblies are operated by the multiplex network master switch assembly, power window regulator switch assembly or rear power window regulator switch assemblies. The power window regulator motor assemblies have motor, regulator and ECU functions. This DTC

© 2016-2023 Copyright www.lexguide.net