LEXUS PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:C1AE8

DTC Code DTC Name
C1AE8 Rear Right Center Sensor Malfunction

DESCRIPTION

The No. 2 ultrasonic sensor (rear center sensor RH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 2 ultrasonic sensor (rear center sensor RH). If the No. 2 ultrasonic sensor (rear center sensor RH) has an open circuit or other malfunction, it will not function normally.

DTC Code DTC Detection Condition Trouble Area
C1AE8 A malfunction of the No. 2 ultrasonic sensor (rear center sensor RH).

  • No. 2 ultrasonic sensor (rear center sensor RH)

  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

Note

If DTCs are output after repairs, turn the engine switch on (IG) and turn the LEXUS parking assist-sensor system on. Then clear the DTCs Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      No DTC is output. A
      Only DTC C1AE8 is output. B
      DTC C1AE8 and C1AED are output. C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    GO TO DTC (C1AED) Click here

    B

  2. REPLACE NO. 2 ULTRASONIC SENSOR (REAR CENTER SENSOR RH)


    1. Replace the No. 2 ultrasonic sensor (rear center sensor RH) with a normally functioning one Click here.


    NEXT

  3. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1AE8 is not output. A
      DTC C1AE8 is output. B

    A

    END (NO. 2 ULTRASONIC SENSOR [REAR CENTER SENSOR RH] IS DEFECTIVE)

    B

    REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here