Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: System information not received (C13AE)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Brake / Parking Brake / Electric Parking Brake System(for Hv Model) / System information not received (C13AE)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C13AE

System information not received

Both of following conditions are met:

  • Power switch on (IG)
  • When power switch is first turned on (IG) after parking brake ECU (brake actuator assembly) has been replaced, system cannot communicate with hybrid vehicle control ECU for approximately 4 seconds
  • Hybrid vehicle control ECU
  • CAN communication system
  • Parking brake ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

NOTICE:

The parking brake indicator light blinks (red) when the power switch is turned on (IG) after replacing the parking brake ECU (brake actuator assembly). Operate the electric parking brake switch (electric parking brake switch assembly) to turn off the parking brake indicator light (red).

PROCEDURE

1.

CHECK DTC

(a) Turn the power switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the power switch on (IG).

(d) Turn the Techstream on.

(e) Check for DTC.

Chassis > Electric Parking Brake > Trouble Codes

Result

Proceed to

DTC C13AE and a CAN DTC are output at the same time

A

DTC C13AE is output and the MIL is illuminated

B

Only DTC C13AE is output

C

DTCs are not output

D
A

GO TO CAN COMMUNICATION SYSTEM

B

GO TO HYBRID CONTROL SYSTEM

C

REPLACE PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY)

D

USE SIMULATION METHOD TO CHECK

    EPB High Temperature (C13AA)

    EPB Switch Malfunction (C13B4)

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