Operation CHARM: Car repair manuals for everyone.

System Description

System Diagram (Part 1):




System Diagram (Part 2):




SYSTEM DIAGRAM

SYSTEM DESCRIPTION

1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION

a. The power door lock system locks/unlocks all the doors.
The master switch and the door control switch on the passenger door send "lock/unlock" request signals to the main body ECU. Then, the main body ECU sends these request signals to the lock motors in each door to lock/unlock all the doors at once in response to the inputs.

Operating the driver's door lock using a mechanical key sends request signals to lock/unlock the doors to the main body ECU via the master switch. "2-step unlock function" is optional for unlocking procedures of the key-linked lock for the driver side door.




2. FUNCTION OF MAIN COMPONENT

Part 1:




Part 2:




3. SYSTEM FUNCTION

HINT: The following functions' default settings are ON. Some of these functions can be customized.

a. This system is controlled by the main body ECU. The main body ECU outputs signals to each door lock motor. The door lock control system of the ES350 has the given functions: