C13AB

DTC C13A3/31 Open or Short in Lock Switch Circuit
DTC C13AB/33 Lock Switch Circuit

DESCRIPTION
When electric parking brake switch is pushed to the lock side, a lock request signal is output to parking brake ECU.





HINT:
*: When battery voltage is 11 V

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.
^ The electric parking brake switch interior's linked double contacts may become unlinked (one is off, one is on) if the switch is halfway pushed/pulled. If this condition continues for 1 second or more, this DTC is output.

Step 1:

Step 1 Continued, Step 2:

Step 3-4: