DTC 12

DTC C13A1/12 Short in Power Supply Relay Circuit

DESCRIPTION
The electric parking brake ECU performs the lock/release operation of the parking brake based on signals from the electric parking brake switch, or instruction signals from other systems via CAN communication.

WIRING DIAGRAM:

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.
^ Before disconnecting connectors or fuses, turn the engine switch off and wait 20 seconds or more.

Step 1-2: