Dtc C1Ae9 Rear Right Sensor Malfunction

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

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

CHECK FOR DTC

DTC C1AE9 Rear Right Sensor Malfunction


DESCRIPTION

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

DTC Code
DTC Detection Condition
Trouble Area
C1AE9
A malfunction of the No. 2 ultrasonic sensor (rear corner sensor RH).
  1. No. 2 ultrasonic sensor (rear corner sensor RH)
  2. Clearance warning ECU assembly

INSPECTION PROCEDURE

NOTICE:
If DTCs are output after repairs, turn the engine switch on (IG) and turn the TOYOTA parking assist-sensor system on. Then clear the DTCs (Click here).
1.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    No DTC is output.
    		A
    Only DTC C1AE9 is output.
    		B
    DTC C1AE9 and C1AED are output.
    		C



B
Go to step 2

C
GO TO DTC (C1AED) (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)

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

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


NEXT


3.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    DTC C1AE9 is not output.
    		A
    DTC C1AE9 is output.
    		B



B
REPLACE CLEARANCE WARNING ECU ASSEMBLY (Click here)
A

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