Toyota Venza: Rear Right Sensor Malfunction (C1AE9)

Toyota Venza Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / 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 sensor). If the No. 1 ultrasonic sensor (rear right sensor) has an open circuit or other malfunction, it will not function normally.

DTC No.	DTC Detection Condition	Trouble Area
C1AE9	A malfunction of the No. 1 ultrasonic sensor (rear right sensor).	No. 1 ultrasonic sensor (rear 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 C1AE9 is output	A
DTC C1AE9 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 RIGHT SENSOR)

(a) Replace the No. 1 ultrasonic sensor (rear 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 C1AE9 is output	A
No DTCs are output	B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END

Rear Sensor Communication Malfunction (C1AED)

DESCRIPTION This DTC is stored when there is an open or short circuit in the communication line between the rear sensors and the ECU, or when there is a malfunction in a rear sensor. ...

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 ...

Other materials about Toyota Venza:

Noise Occurs
PROCEDURE 1. CHECK NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG GO TO STEP 3 ...

Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 COOLER THERMISTOR 2. INSTALL COOLER EVAPORATOR SUB-ASSEMBLY 3. INSTALL BLOWER ASSEMBLY WITH COOLER EVAPORATOR SUB-ASSEMBLY (a) Engage the 5 claws. (b) Engage the guide and connect the wire harness. (c) Insta ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE SEAT ADJUSTER COVER CAP (a) Remove the seat adjuster cover cap. HINT: Use the same procedure for the RH side and LH side. 2. REMOVE RECLINING POWER SEAT SWITCH ...