Toyota Venza: Front Right Sensor Malfunction (C1AE4)

Toyota Venza Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Front Right Sensor Malfunction (C1AE4)

DESCRIPTION

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

DTC No.	DTC Detection Condition	Trouble Area
C1AE4	A malfunction of the No. 1 ultrasonic sensor (front right sensor).	No. 1 ultrasonic sensor (front right 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 C1AE4 is output	A
DTC C1AE4 and C1AEC are output	B
No DTCs are output	C

GO TO DTC (C1AEC)

USE SIMULATION METHOD TO CHECK

2.	REPLACE NO. 1 ULTRASONIC SENSOR (FRONT RIGHT SENSOR)

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

3.	CHECK DTC OUTPUT

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

Result	Proceed to
DTC C1AE4 is output	A
No DTCs are output	B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END

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) ...

Clearance Sonar Main Switch Circuit

DESCRIPTION The back sonar or clearance sonar switch assembly is installed at the base of the driver side of the instrument panel. When the clearance sonar main switch is turned on, an on signal i ...

Other materials about Toyota Venza:

Low Power Supply Voltage (C1241/94)
DESCRIPTION If a malfunction in the power source circuit occurs, or a malfunction in communication with the skid control ECU or in a speed sensor occurs, the AWD control ECU will prohibit operations by the fail-safe function. DTC No. ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. - If the malfunction indicator lamp comes on The OBD system determines that ...

Antenna location and effective range
- Antenna location 1. Antennas outside cabin 2. Antennas inside cabin 3. Antenna outside luggage compartment - Effective range (areas within which the electronic key is detected) When locking or unlocking the doors The system can be operat ...