Toyota Tundra (2015 year). Manual — part 2346
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000001WYE023X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: SYSTEM DESCRIPTION; 2015 MY Tundra
[08/2014 - ]
SYSTEM DESCRIPTION
1. WIRELESS DOOR CONTROL SYSTEM DESCRIPTION
(a) This system locks and unlocks the vehicle's doors remotely. The wireless control system has the following
features:
The door control receiver performs the code identification procedure and the main body ECU
operates the door lock control. A serial data link is provided for communication between the
receiver and main body ECU.
A key-holder type transmitter is used and it contains the following 3 switches: the door lock
switch, door unlock switch and panic alarm switch.
2. FUNCTION OF MAIN COMPONENTS
COMPONENTS
FUNCTIONS
Door control transmitter
Contains LOCK, UNLOCK and PANIC switches.
Transmits weak electric waves (recognition codes and function codes) to
door control receiver.
Door control receiver
Receives weak electric waves (recognition codes and function codes) from door
control transmitter, and changes waves to code data.
Door lock (door unlock
detection switch)
Detects if key is in ignition key cylinder.
Front door courtesy light
switch
Turns ON when door is open and turns OFF when door is closed. Outputs door
status (open or closed) to main body ECU.
Rear door courtesy light
switch*1, *2
Turns ON when door is open and turns OFF when door is closed. Outputs door
status (open or closed) to main body ECU.
Wireless door lock buzzer
Emits beep (answer-back) when doors are locked or unlocked by wireless
operation.
HINT:
*1: for Double Cab
*2: for CrewMax
3. SYSTEM FUNCTION
(a) The wireless door lock control system has the following functions.
FUNCTION
OUTLINE
All door lock function
Pressing LOCK switch locks all doors.
Only driver side door
unlock operation function
Pressing UNLOCK switch once unlocks only driver side door.
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: SYST...
FUNCTION
OUTLINE
All door unlock operation (2
step unlock operation)
function
Pressing UNLOCK switch twice within 3 seconds unlocks all doors after driver side
door is unlocked.
Answer-back function
Hazard warning lights and door mirror turn indicators flash once when
doors are locked, and flash twice when doors are unlocked to indicate
that operation has been completed.
Wireless door lock buzzer sounds once when doors are locked, and
sounds twice when doors are unlocked to inform that operation has been
completed.
Automatic locking function
If no doors are opened within 30 seconds after being unlocked by wireless
transmitter, all doors are locked again automatically.
Door ajar warning function
If any door is open or ajar, pressing LOCK switch will cause wireless door lock
buzzer to sound for about 10 seconds.
Illuminated entry function
If locked doors are unlocked through wireless operation, ignition key cylinder light,
map light, room light, foot light and door mirror foot light* illuminate. If one of
following situations occurs, lights fade out:
Within 15 seconds, doors are not opened and doors are locked through
wireless operation.
Within 15 seconds, key is inserted into ignition key cylinder and ignition
switch is turned ACC or ON.
No operations or actions are performed within 15 seconds.
Panic function
Holding down PANIC switch for more than 1 second sounds security horn and
vehicle horns, blinks hazard warning lights, headlights, taillights and door mirror
turn indicators, and illuminates map light and room light.
Security function
Sends signal as rolling code.
Transmitter recognition
code registration function
Enables 4 modes for registering (writing and storing) transmitter recognition codes
in EEPROM built into door control receiver.
HINT:
With no key in the ignition key cylinder (unlock warning switch is OFF) and all door courtesy light switches
OFF, pressing the door control transmitter's LOCK / UNLOCK switch causes the transmitter to output weak
electrical waves to the door control receiver.
*:except Extended Type
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: SYST...
NEXT
NEXT
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000001WY702IX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING;
2015 MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
The wireless door lock control system troubleshooting procedures are based on the premise that the power
door lock system is operating normally. Check the power door lock system first before troubleshooting the
wireless door lock control system
.
Use these procedures to troubleshoot the wireless 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.
CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output
.
(b) Clear the DTC
.
Result
RESULT
PROCEED TO
DTC is not output
A
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW ...
A
A
NEXT
RESULT
PROCEED TO
CAN communication system DTC is output
B
Wireless door lock control system DTC is output
C
B
Go to CAN COMMUNICATION SYSTEM
C
Go to DIAGNOSTIC TROUBLE CODE CHART
4.
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 6
5.
OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check
(b) Data List / Active Test
REPAIR OR REPLACE
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW ...
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