Toyota Venza manuals

Toyota Venza: 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


B

GO TO DTC (C1AED)


C

USE SIMULATION METHOD TO CHECK


A

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.


NEXT

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


A

REPLACE CLEARANCE WARNING ECU ASSEMBLY


B

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 ...

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Removal
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Certification ECU (Smart Key ECU Assembly) ...

Check Mode Procedure
CHECK MODE PROCEDURE 1. DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are d ...

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