SYSTEM DESCRIPTION
POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all doors.
The main body ECU (multiplex network body ECU) receives lock/unlock request signals from a door control switch or the driver door key lock and unlock switch. Then, the main body ECU (multiplex network body ECU) sends these request signals to the door lock motors in each door to lock/unlock each door in response to the inputs.
FUNCTION OF MAIN COMPONENTS
Component | Function |
---|---|
Multiplex network master switch assembly
| Driver door control switch on the multiplex network master switch assembly locks or unlocks all doors. |
Power window regulator switch assembly
| Front passenger door control switch on the power window regulator switch assembly locks or unlocks all doors. |
Door courtesy light switch assembly |
|
Front door lock with motor assembly LH |
|
Front door lock with motor assembly RH Rear door lock assembly LH/RH |
|
Back door lock assembly | Built-in motor locks or unlocks the door. |
SYSTEM FUNCTION
(a) This system is controlled by the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) outputs signals to each door lock motor. The power door lock control system has the following functions:
Function | Outline |
---|---|
Manual lock and unlock function | This function can lock or unlock all of the doors by the door control switch operation. |
Key-linked lock and unlock function | This function, which is linked with the mechanical key cylinder, can lock or unlock all of the doors when a lock or unlock operation is performed. |
Manual unlock prohibition function | When the condition below is met, unlocking the vehicle using the door control switch will be prohibited:
|
Key lock-in prevention function | When the key is in the vehicle, performing the door lock operation will not lock the door. |
Key-linked 2-step unlock function | Unlocks only the driver door by turning the key cylinder once and unlocks all of the doors by turning it twice. |
Collision door lock release | If the SRS has been deployed and the main body ECU (multiplex network body ECU) has detected the signal that is output from the airbag sensor assembly, the main body ECU (multiplex network body ECU) will unlock all doors. |
Shift-linked automatic door lock function* | When the conditions listed below are met consecutively, this function causes all of the doors to be automatically locked:
|
Speed-sensitive automatic door lock function* | When the conditions listed below are met consecutively, this function causes all of the doors to be automatically locked:
|
Shift-linked automatic door unlock function* | When the conditions listed below are met consecutively, this function causes all of the doors to be automatically unlocked:
|
Driver door-linked automatic door unlock* | all of the doors are unlocked automatically when the driver door is opened within approximately 43 seconds of the engine switch being turned from on (IG) to off. |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Panoramic View Monitor System: Terminals Of Ecu
TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the J159 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J159-1 (+B) - J159-4 (G ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the audio and visual system vehicle customization screen. HINT: The air conditioning amplifier assembly controls the air conditioning system related items that are customizable vi ...