Power Locks: Description and Operation

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM DIAGRAM

















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 line. The door ECUs then lock / unlock each door.

(a) The door control system has the following functions: