SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all the 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.
2. FUNCTION OF MAIN COMPONENTS
Component |
Function |
---|---|
Power window regulator master switch assembly
|
The door control switch on the power window regulator master switch assembly locks or unlocks all doors. |
Front door courtesy light switch assembly LH Front door courtesy light switch assembly RH Rear door courtesy light switch assembly LH*1 Rear door courtesy light switch assembly RH*1 Upper access panel lock assembly LH*2 Upper access panel lock assembly RH*2 Lower access panel lock assembly LH*2 Lower access panel lock assembly RH*2 |
|
Front door lock assembly LH |
|
Front door lock assembly RH Rear door lock assembly LH*1 Rear door lock assembly RH*1 |
The built-in motor locks or unlocks the door. |
3. 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 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 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*1 or ignition key cylinder*2, 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 the other doors by turning it twice. |
Shift-linked automatic door lock function |
When the conditions listed below are met consecutively, this function causes all doors to be automatically locked:
|
Shift-linked automatic door unlock function |
When the conditions listed below are met consecutively, this function causes all doors to be automatically unlocked:
|
Speed-sensitive automatic door lock function |
When the conditions listed below are met consecutively, this function causes all doors to be automatically locked:
|
Driver door-linked automatic door unlock |
All doors are unlocked automatically when the driver door is opened within approximately 43 seconds after the ignition switch is turned from ON to off. |
Unusual Bank Angle Detected (C1440)
DESCRIPTION
If the skid control ECU (brake actuator assembly) determines that the vehicle
is being driven at a steep bank angle, the skid control ECU (brake actuator assembly)
stores DTC C1440 while VSC operation is temporarily disabled.
This is not a malfunction if the system and sensor circu ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Precaution
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off to troubleshoot: Connect
the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second
or less intervals until communication between the Techstream and vehicle begin ...