Toyota Venza: Front Left Sensor Malfunction (C1AE1)

DESCRIPTION

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

CAUTION / NOTICE / HINT

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 ).

PROCEDURE

(a) Check for DTCs (See page ).

B

GO TO DTC (C1AEC)

C

USE SIMULATION METHOD TO CHECK

A

(a) Replace the No. 1 ultrasonic sensor (front left 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

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

END