Power Locks: Description and Operation

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM DIAGRAM









Communication table:









SYSTEM DESCRIPTION

1. FUNCTION OF MAIN COMPONENT





2. SYSTEM DESCRIPTION

(a) The power door lock system locks / unlocks all doors.

The door control switch of the master switch uses the LIN line to send lock / unlock request signals to the main body ECU.

The driver door key cylinder switch uses the CAN line to send lock / unlock request signals through the front door ECU LH to the main body ECU.

The door control switch on the passenger door uses the CAN line to send lock / unlock request signals through the front door ECU RH to the main body ECU.

Upon receiving request signals, the main body ECU sends these signals to the door ECUs on each door using the CAN. The door ECUs then lock / unlock each door.

The door control system has the following functions: