Toyota Camry (XV70): System Description

Multiplex network master switch assembly

• Door control switch

Driver door control switch on the multiplex network master switch assembly locks or unlocks all doors.

Door control switch assembly

Located on the front passenger door and locks or unlocks all doors.

Door courtesy light switch assembly

• Placed on each door.
• Detects the door status (open or closed) and outputs data to the main body ECU (multiplex network body ECU).
• Turns on when the door is opened and turns off when the door is closed.

Front door lock with motor assembly LH

• Built-in motor locks or unlocks the door.
• Built-in key lock and unlock switch (key-linked) detects the door key operation status (locked or unlocked) and outputs a signal to the main body ECU (multiplex network body ECU).
• Built-in unlock detection switch detects the door status (locked or unlocked) and outputs a signal to the main body ECU (multiplex network body ECU). This switch turns off when the door is locked and turns on when the door is unlocked.

Front door lock with motor assembly RH

Rear door lock with motor assembly LH/RH

• Has a built-in motor that locks or unlocks the door.
• Built-in unlock detection switch detects the door status (locked or unlocked) and outputs a signal to the main body ECU (multiplex network body ECU). This switch turns off when the door is locked and turns on when the door is unlocked.

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:

• The doors are locked using a key-linked operation, wireless key operation or entry operation with all of the doors closed.

Key lock-in prevention function

When the key is in the vehicle, performing the door lock operation will not lock the door.*1

When the key is inserted to the ignition key cylinder, performing the door lock operation will not lock the door.*2

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:

• All of the doors are closed.
• Ignition switch is ON.
• With the shift lever in P, the shift lever is moved to any position other than P.
• Any of the doors is unlocked.

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:

• Vehicle speed is higher than approximately 20 km/h (12 mph).
• All of the doors are closed.
• Any of the doors is unlocked.

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:

• Ignition switch is ON.
• With the shift lever in any position other than P, the shift lever is moved to P.

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 ignition switch being turned from ON to off.