Lexus NX: EPB High Temperature (C13AA)

DESCRIPTION

If the electric parking brake is used continuously, the parking brake actuator assembly overheat prevention stops the system.

This DTC is stored to protect the system and is not a malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C13AA

EPB High Temperature

Both of following conditions are met:

  • Electric parking brake is operating
  • Lock and release operations are performed without 2 second interval 10 times; or lock and release operations are performed without 2 second interval 5 times, and target current is not achieved during lock control

Overheat due to continuous use of system

Yes

A message is displayed on the multi-information display indicating electric parking brake system operation is stopped due to high temperatures.

PROCEDURE

1.

ELECTRIC PARKING BRAKE OVERHEAT

(a) With the overheat warning displayed, wait for approximately 1 minute.

(b) Check if the overheat warning has disappeared.

HINT:

  • Check the display after turning the power switch off and on (IG).
  • If the display returns to normal and the electric parking brake can be operated, clear the DTC.
Chassis > Electric Parking Brake > Clear DTCs
NEXT

END

READ NEXT:

 Open in +B Circuit (C13AD)

DESCRIPTION The parking brake ECU assembly is supplied with power to operate the motor via the +B and +B2 terminals. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Not

 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 is

 Control Module Communication Bus OFF (U0073,U0124,U0129,U0293)

DESCRIPTION The parking brake ECU assembly communicates with the hybrid vehicle control ECU, skid control ECU (brake booster with master cylinder assembly) and deceleration sensor (airbag ECU assembly

SEE MORE:

 Precaution

PRECAUTION HANDLING PRECAUTION FOR ROAD SIGN ASSIST SYSTEM (a) The system may not detect traffic signs under the following conditions: The forward recognition camera is misaligned. Dirt, snow, ice or a sticker is on the windshield glass in front of the forward recognition camera. The windshie

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warning ECU assembly. The clearance warning ECU assembl

© 2016-2024 Copyright www.lexunx.com