C13A9

PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: C13A9/61: Brake Control System Malfunction
C13A9/61 - Brake Control System Malfunction

DESCRIPTION

The electric parking brake ECU receives vehicle wheel speed information from the skid control ECU via CAN communication.





INSPECTION PROCEDURE

NOTICE:
If the electric parking brake ECU or electric parking brake actuator is replaced, perform the "RESET MEMORY" and "ACQUIRE TENSION SENSOR ZERO POINT" procedures Programming and Relearning.

PROCEDURE

1. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

(a) Turn the power switch OFF.

(b) Connect the Techstream to the DLC3.

(c) Turn the power switch ON (IG) and the Techstream on.

(d) Check for DTC Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Electronically Controlled Brake System
A -- Continue to next step.

2. CHECK DTC

(a) Turn the power switch OFF.

(b) Connect the Techstream to the DLC3.

(c) Turn the power switch ON (IG) and the Techstream on.

(d) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(e) Check for DTC.

Result





B -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

A -- REPLACE ELECTRIC PARKING BRAKE ECU Removal