Introduction

INTRODUCTION TO CENTRAL DOOR LOCKING SYSTEM DIAGNOSIS

The central door locking system is controlled by the ETACS-ECU. By operating the door key, inside door lock knob or door lock switch, the ETACS-ECU lock or unlock the door lock actuator. If the following type of symptom occurs, there may be a fault.
- None of the door lock functions operate.
- There is a door that does not lock or unlock when the door key, inside door lock knob or door lock switch is operated.