Toyota Venza: Rear Left Sensor Malfunction (C1AE6)

Toyota Venza Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Rear Left Sensor Malfunction (C1AE6)

DESCRIPTION

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

DTC No.	DTC Detection Condition	Trouble Area
C1AE6	A malfunction of the No. 1 ultrasonic sensor (rear left sensor).	No. 1 ultrasonic sensor (rear left sensor) Clearance warning ECU assembly

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

1.	CHECK DTC OUTPUT

(a) Check for DTCs (See page ).

Result	Proceed to
Only DTC C1AE6 is output	A
DTC C1AE6 and C1AED are output	B
No DTCs are output	C

GO TO DTC (C1AED)

USE SIMULATION METHOD TO CHECK

2.	REPLACE NO. 1 ULTRASONIC SENSOR (REAR LEFT SENSOR)

(a) Replace the No. 1 ultrasonic sensor (rear 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.

3.	CHECK DTC OUTPUT

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

Result	Proceed to
DTC C1AE6 is output	A
No DTCs are output	B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END

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