Toyota Venza: Rear Left Center Sensor Malfunction (C1AE7)

Toyota Venza Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Rear Left Center Sensor Malfunction (C1AE7)

DESCRIPTION

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

DTC No.	DTC Detection Condition	Trouble Area
C1AE7	A malfunction of the No. 1 ultrasonic sensor (rear left center sensor).	No. 1 ultrasonic sensor (rear left center 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 C1AE7 is output	A
DTC C1AE7 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 CENTER SENSOR)

(a) Replace the No. 1 ultrasonic sensor (rear left center 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 C1AE7 is output	A
No DTCs are output	B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END

Rear Right Sensor Malfunction (C1AE9)

DESCRIPTION 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 senso ...

Rear Right Center Sensor Malfunction (C1AE8)

DESCRIPTION The No. 1 ultrasonic sensor (rear right center sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear righ ...

Other materials about Toyota Venza:

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Release the vacuum from the booster by depressing the brake pedal several times. Then remove the brake master cylinder from the brake booster. PROCEDURE 1. DRAIN BRAKE FLUID NOTICE: If brake fluid leaks onto any ...

System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Main body ECU (Driver side junction block assembly) Certification ECU (Sm ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the LH side and RH side. The following procedure is for the LH side. If the sensor rotor needs to be replaced, replace it together with the rear drive shaft assembly. ...