Rear Right Sensor Malfunction (C1AE9)

The No. 1 ultrasonic sensor (rear right sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right sensor). If the No. 1 ultrasonic sensor (rear right sensor) has an open circuit or other malfunction, it will not function normally.

NOTICE:

If DTCs are output after repairs, turn the engine switch on (IG) and turn the clearance sonar main switch on. Then clear the DTCs (See page ).

1. CHECK DTC OUTPUT

(a) Check for DTCs (See page ).

B

GO TO DTC (C1AED)

C

USE SIMULATION METHOD TO CHECK

A

1. REPLACE NO. 1 ULTRASONIC SENSOR (REAR RIGHT SENSOR)

(a) Replace the No. 1 ultrasonic sensor (rear right sensor) with a known good one (See page ).

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

1. CHECK DTC OUTPUT

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

END