Toyota Tundra (2015 year). Manual — part 2350
(a) Disconnect the DD and DB ECU connectors.
(b) Measure the resistance and voltage according to the value(s) in the table below.
TERMINAL NO. (SYMBOLS)
WIRING COLOR TERMINAL DESCRIPTION CONDITION SPECIFIED CONDITION
DD-21 (GND1) - Body ground
B - Body ground Ground
Always
Below 1 Ω
DB-13 (BECU) - DD-21 (GND1)
GR - B
BECU power supply
Always
11 to 14 V
If the result is not as specified, there may be a malfunction in the wire harness side.
(c) Reconnect the DD and DB ECU connectors.
(d) Measure the voltage and resistance according to the value(s) in the table below.
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
J1-5 (KSW) -
DD-21 (GND1)
B - B
Key unlock warning
switch signal
Key inserted in the ignition key
cylinder
Below 1 Ω
No key in the ignition key
cylinder
10 kΩ or higher
J4-24 (DCTY) -
Body ground
GR - Body
ground
Front door courtesy
light switch LH signal
Front door LH open
Below 1 V
Front door LH closed
Pulse generation
J3-21 (PCTY) -
Body ground
W - Body
ground
Front door courtesy
light switch RH signal
Front door RH open
Below 1 V
Front door RH closed
Pulse generation
DC-2 (LCTY) -
Body ground*1,
*2
B - Body
ground
Rear door courtesy light
switch LH signal
Rear door LH open
Below 1 V
Rear door LH closed
Pulse generation
J3-25 (RRCY) -
Body ground*1,
*2
L - Body
ground
Rear door courtesy light
switch RH signal
Rear door RH open
Below 1 V
Rear door RH closed
Pulse generation
DD-53 (L2) -
Body ground
G - Body
ground
Front door lock key
switch LH input
Front door key cylinder LH to
LOCK
Pulse generation
Ignition switch OFF, all doors
closed and front door key
cylinder LH to neutral position
Below 1 V
J4-10 (UL3) -
Body ground
B - Body
ground
Front door lock key
switch LH input
Front door key cylinder LH to
UNLOCK
Pulse generation
Ignition switch OFF, all doors
closed and front door key
cylinder LH to neutral position
Below 1 V
J4-5 (ACTD) -
Body ground
P - Body
ground
Front door lock motor
LH unlock activation
output
Master switch (door control
switch) or front door key cylinder
LH to LOCK
Below 1 V
Master switch (door control
switch) or front door key cylinder
LH to UNLOCK
Pulse generation
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERM...
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
DD-3 (ACT+) -
Body ground
W - Body
ground
Door lock motor lock
activation output
Master switch (door control
switch) or front door key cylinder
LH to UNLOCK
Below 1 V
Master switch (door control
switch) or front door key cylinder
LH to LOCK
Pulse generation
J4-9 (LSWD) -
Body ground
P - Body
ground
Front door unlock
detection switch LH
input
Front door LH UNLOCK
Below 1 V
Front door LH LOCK
Pulse generation
DD-2 (ACT-) -
Body ground
GR - Body
ground
Door lock motor unlock
activation output
Master switch (door control
switch) or front door key cylinder
LH to LOCK
Below 1 V
Master switch (door control
switch) or front door key cylinder
LH to UNLOCK
Pulse generation
DC-24 (ACT+) -
Body ground*1,
*2
W - Body
ground
Rear door lock motor
LH lock activation
output
Master switch (door control
switch) or front door key cylinder
LH to UNLOCK
Below 1 V
Master switch (door control
switch) or front door key cylinder
LH to LOCK
Pulse generation
DC-23 (ACT-) -
Body ground*1,
*2
L - Body
ground
Rear door lock motor
LH unlock activation
output
Master switch (door control
switch) or front door key cylinder
LH to UNLOCK
Below 1 V
Master switch (door control
switch) or front door key cylinder
LH to LOCK
Pulse generation
J3-27 (LSWP) -
Body ground
V - Body
ground
Front door unlock
detection switch RH
input
Front door RH UNLOCK
Below 1 V
Front door RH LOCK
Pulse generation
DC-1 (LSWL) -
Body ground*1,
*2
GR - Body
ground
Rear door unlock
detection switch LH
input
Rear door LH UNLOCK
Below 1 V
Rear door LH LOCK
Pulse generation
J3-5 (LSWR) -
Body ground*1,
*2
Y - Body
ground
Rear door unlock
detection switch RH
input
Rear door RH UNLOCK
Below 1 V
Rear door RH LOCK
Pulse generation
J3-10 (PRG) -
Body ground
SB - Body
ground
Door control receiver
output
Key inserted in ignition key
cylinder → As key pulled out of
ignition key cylinder
11 to 14 V → Pulse
generation → 11 to
14 V
J3-12 (RDA) -
Body ground
V - Body
ground
Door control receiver
input
Ignition switch OFF, all doors
closed and transmitter switch not
pressed
11 to 14 V
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERM...
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
Ignition switch OFF, all doors
closed and transmitter switch
pressed
Pulse generation
J2-4 (HAZ) - Body
ground
BE - Body
ground
Hazard warning light
signal
Answer-back ON
Pulse generation
Answer-back OFF
Below 1 V
J1-7 (BZR) - Body
ground
SB - Body
ground
Wireless door lock
buzzer signal
Answer-back ON
Pulse generation
Answer-back OFF
Below 1 V
J1-6 (SH) - Body
ground
W - Body
ground
Security horn signal
Panic switch OFF
Below 1 V
Panic switch ON
Pulse generation
DB-1 (HORN) -
Body ground
V - Body
ground
Vehicle's horn signal
Panic switch OFF
Below 1 V
Panic switch ON
Pulse generation
HINT:
*1: for Double Cab
*2: for CrewMax
If the result is not as specified, the main body ECU may have a malfunction.
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERM...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000001WYJ015X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: DATA LIST / ACTIVE TEST; 2015 MY Tundra
[08/2014 - ]
DATA LIST / ACTIVE TEST
1. READ DATA LIST
HINT:
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Check the results by referring to the table below.
Main body
TESTER DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC
NOTE
D Door Courtesy
SW
Driver side door courtesy light
switch signal / ON or OFF
ON: Driver side door is open
OFF: Driver side door is closed
-
P Door Courtesy
SW
Passenger side door courtesy light
switch signal / ON or OFF
ON: Passenger side door is open
OFF: Passenger side door is closed
-
RR Door Courtesy
SW*1, *2
Rear door RH courtesy light switch
signal / ON or OFF
ON: Rear door RH is open
OFF: Rear door RH is closed
-
RL Door Courtesy
SW*1, *2
Rear door LH courtesy light switch
signal / ON or OFF
ON: Rear door LH is open
OFF: Rear door LH is closed
-
D-Door Lock Pos
SW
Driver side door unlock detection
switch signal / ON or OFF
ON: Driver side door is unlocked
OFF: Driver side door is locked
-
P-Door Lock Pos
SW
Passenger side door unlock
detection switch signal / ON or OFF
ON: Passenger side door is unlocked
OFF: Passenger side door is locked
-
RR-Door Lock Pos
SW*1, *2
Rear door RH lock position switch
signal / ON or OFF
ON: Rear door RH is unlocked
OFF: Rear door RH is locked
-
RL-Door Lock Pos
SW*1, *2
Rear door LH unlock detection
switch signal / ON or OFF
ON: Rear door LH is unlocked
OFF: Rear door LH is locked
-
Door Lock
SW-Lock
Door manual lock switch signal /
ON or OFF
ON: Door control switch (for driver
side door) is turned to lock position
OFF: Door control switch (for driver
side door) is turned to unlock position
-
DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: DATA ...
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