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:

Open or Short Circuit in ABS Motor Relay Circuit (C0273/13)
DESCRIPTION The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated, the ECU turns the motor relay on and operates the ABS pump motor. If the voltage supplied to the motor relay (+BM) is below the DTCs detection threshold due ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT SEAT HEADREST ASSEMBLY 2. REMOVE FRONT SEAT REAR OUTER TRACK COVER 3. REMOVE FRONT SEAT REAR INNER TRACK COVER 4. REMOVE FRONT SEAT ASSEMBLY 5. REMOVE SLIDE AND VERTICAL POWER SEAT SWITCH KNOB 6. REMOVE RECL ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...