Open or Short in Circuit of Motor - Electric Parking Brake System

PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: C13A6/42: Open or Short in Circuit of Motor
C13A6/42 - Open or Short in Circuit of Motor

DESCRIPTION

The parking brake cable tightening/loosening operation is performed by the parking brake actuator's motor.





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

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (ECU - ACTUATOR)

(a) Disconnect the S46 ECU connector.

(b) Disconnect the S32 actuator connector.

(c) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK ELECTRIC PARKING BRAKE ACTUATOR (MOTOR)

(a) Disconnect the S32 actuator connector.

(b) Measure the resistance according to the value(s) in the table below.





Standard resistance:





NG -- REPLACE ELECTRIC PARKING BRAKE ACTUATOR Removal

OK -- REPLACE ELECTRIC PARKING BRAKE ECU Removal