Toyota Avalon Service & Repair Manual: Rear Right Center Sensor Malfunction (C1AE8)

DESCRIPTION

The rear center ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor RH. If the rear center ultrasonic sensor RH has an open circuit or other malfunction, it will not function normally.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE8

Rear Right Center Sensor Malfunction

A malfunction of the rear center ultrasonic sensor RH.

  • Rear center ultrasonic sensor RH
  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

If DTCs are output after repairs, turn the engine switch on (IG) and the intuitive parking assist system on. Then clear the DTCs.

Click here

PROCEDURE

1.

CHECK DTC OUTPUT

(a) Check for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

Result

Proceed to

Only DTC C1AE8 is output

A

DTC C1AE8 and C1AED are output

B

No DTCs are output

C

B

GO TO DTC (C1AED)

C

USE SIMULATION METHOD TO CHECK

A

2.

REPLACE REAR CENTER ULTRASONIC SENSOR RH

(a) Replace the rear center ultrasonic sensor RH with a known good one.

Click here

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.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(b) Check for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

Result

Proceed to

DTC C1AE8 is output

A

No DTCs are output

B

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

END (REAR RIGHT CENTER SENSOR WAS DEFECTIVE)

    Rear Left Center Sensor Malfunction (C1AE7)

    Rear Right Sensor Malfunction (C1AE9)

    See More:

    Toyota Avalon Service & Repair Manual > Motor Generator Control System: Drive Motor "A" Inverter Voltage Sensor(VH) Circuit Voltage Above Threshold (P0C7917)
    DTC SUMMARY MALFUNCTION DESCRIPTION If an overvoltage malfunction occurs in the motor inverter or generator inverter, the motor generator control ECU (MG ECU) detects the malfunction and stores this DTC. The cause of this malfunction may be one of the following: Area Main Malfunction Description Res ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2020 Copyright www.tavalon.net
    0.0395