Toyota Tundra (2015 year). Manual — part 2326
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000002UCG00RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM DIAGRAM; 2015 MY Tundra [08/2014 -
]
SYSTEM DIAGRAM
Communication table:
SENDER
RECEIVER
SIGNAL
LINE
ECM
Main Body ECU
Park/Neutral Position Switch
CAN
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002UCE00RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM DESCRIPTION; 2015 MY Tundra [08/2014 -
]
SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all the doors. The master switch and the door control switch on
the passenger door send lock/unlock request signals to the main body ECU. Then, the main body ECU sends
these request signals to the lock motors in each door to lock/unlock all the doors at once in response to the
inputs. Operating the driver's door lock using a mechanical key sends lock/unlock request signals to the
2. FUNCTION OF MAIN COMPONENT
COMPONENTS
FUNCTION
Power Window
Regulator Master
Switch
Door control switch on master switch lock/unlocks all doors.
Door Control Switch
Door control switch on passenger side door locks/unlocks all doors.
Door Courtesy Light
Switch
Placed on each door. Detects door status (open or closed) and outputs data to main
body ECU. Turns on when door is open and turns off when door is closed.
Front Door Lock Motor
Motor locks/unlocks door.
Built-in door key lock and unlock switch (key-linked) detects door key
operation's door status (locked or unlocked) and outputs data to main body
ECU.
Built-in detection switch detects door status (locked or unlocked) and outputs
data to main body ECU. This switch turns off when door is locked and turns
on when door is unlocked.
Rear Door Lock Motor
Motor locks/unlocks door.
Built-in detection switch detects door status (locked or unlocked) and outputs
data to main body ECU. This switch turns off when door is locked and turns
on when door is unlocked.
3. SYSTEM FUNCTION
HINT:
.
(a) This system is controlled by the main body ECU. The main body ECU outputs signals to each door lock
motor. The door lock control system in the vehicle has the following functions:
FUNCTION
OUTLINE
Manual Lock and
Lock / unlocks all doors by door control switch's lock operation (manual operation).
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM...
FUNCTION
OUTLINE
Unlock Function
One-motion Open
When the door is locked, this function enables the door to be unlocked by merely
This function, which is linked with the key cylinder, can lock all the doors when a lock
operation is effected.
Key Lock-in Prevention
When the key is in the ignition key cylinder and a door lock operation is performed
while the driver's door is open, all the doors will be unlocked.
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: SYSTEM...
NEXT
NEXT
A
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002UCC00RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2015
MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
Use the following procedures to troubleshoot the power door lock control system.
*: Use the Techstream.
1.
VEHICLE BROUGHT TO WORKSHOP
2.
INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
3.
PROBLEM SYMPTOMS TABLE
Result
RESULT
PROCEED TO
Fault is not listed in problem symptoms table
A
Fault is listed in problem symptoms table
B
B
Go to step 5
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO...
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