2001 TOYOTA SEQUOIA wiring diagram

I18726
Back Door ECU
BDCY B107
2 1
W±B B9
Back Door Courtesy Light Switch
CTYE
B1020 R DI±1864
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
2058 Author: Date:
2005 SEQUOIA (RM1146U)
Back door courtesy light switch circuit
CIRCUIT DESCRIPTION
The back door courtesy light switch is built in the back door lock assembly.
This switch comes on when the back door is opened and goes off when the back door is closed.
WIRING DIAGRAM
DI57K±07

I28431
Back Door ECU
ILE B118
2 1
R±L S8
Step Light
LGLP
B117 BF18
BD29
W W
W
W
WR
R
R
R
R
R
R B
BAA 1G6
1G13
1G14
1E8
1J5
2C3
2D1SHORT PIN
DOME
4
5F10
FL Block
Battery3C
3A J21
J/C
BD211
2R±L BF13 L2
Luggage Room Light Instrument Panel J/B
Engine Room J/BInstrument Panel J/B
DOOR
ONOFF J29
J/C
MF
J29J30
6
16 Sub J/B No. 3
2
IN1
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
DI±1867
2061 Author: Date:
2005 SEQUOIA (RM1146U)
Luggage Room Light Circuit
CIRCUIT DESCRIPTION
When the luggage room light and the rear room light are turned to the DOOR position, and any door is
opened, voltage is applied to the LGLP terminal of the back door ECU, and voltage is output from the ILE
terminal.
WIRING DIAGRAM
DI57L±11

I18724
Back Door ECU
LSWB
B106
21
R±Y B13
Back Door Unlock
Detection Switch
R±L
B1022
LSWE
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
DI±1869
2063 Author: Date:
2005 SEQUOIA (RM1146U)
Back door unlock detection switch circuit
CIRCUIT DESCRIPTION
The door unlock detection switch is built in the door lock motor. This switch is ON when the door lock is in
the unlock position and OFF when the door lock is in the lock position. The ECU detects the door lock condi-
tions in this circuit. It is used as one of the operating conditions for the theft deterrent system.
WIRING DIAGRAM
DI57L±12

I18723
Back Door ECU
ACT+
B1015
3 4
L±R B13
Back Door Lock Motor
L±B
B1014
ACT± DI±1872
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
2066 Author: Date:
2005 SEQUOIA (RM1146U)
Back door lock motor circuit
CIRCUIT DESCRIPTION
When the back door ECU receives a LOCK/UNLOCK demand signal from the body ECU or back door key
lock and unlock switch, etc., it operates the back door lock motor based on the signal.
WIRING DIAGRAM
DI94G±05

I28432
Back Door ECU
B10
B1025
13 4
1W
P B14
Back Door
Power Window Motor
BDDN
BDUP D
U DI±1874
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
2068 Author: Date:
2005 SEQUOIA (RM1146U)
Back door power window motor circuit
CIRCUIT DESCRIPTION
The back door power window goes down when voltage is applied to the BDDN terminal of the back door
ECU, and the window goes up when voltage is applied to the BDUP terminal.
WIRING DIAGRAM
DI94H±05

I28433
Back Door ECU
DSG B1023
6
2
LG±B B14
Back Door Power
Window Motor
W±R
B1011
DSV 5
3 PLS2
PLS1
SSRBLG±RP
B1017
DS1 B1016
DS2 E
Pulse
Sensor
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
DI±1877
2071 Author: Date:
2005 SEQUOIA (RM1146U)
Back door power window pulse sensor circuit
CIRCUIT DESCRIPTION
Two pulse sensors are built into the back door power window motor. The back door ECU detects movement
and position of the back door window based on information from these pulse sensors.
WIRING DIAGRAM
DI94I±04

I28434
Back Door ECU R16
Rear Wiper Motor
WIP± 4
5L±Y L±O
WIP+ 1
2 B10
B10 R
F DI±1880
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
2074 Author: Date:
2005 SEQUOIA (RM1146U)
Rear wiper motor circuit
CIRCUIT DESCRIPTION
The wiper motor is controlled by the back door ECU.
WIRING DIAGRAM
DI94K±04

I18725
Back Door ECU
BKUL
12G B12
Back Door Key Lock and Unlock SW
3R±W
LKEYE
BKL 5 4 B1019
B10
B10 DI±1882
± DIAGNOSTICSBACK DOOR CONTROL SYSTEM
2076 Author: Date:
2005 SEQUOIA (RM1146U)
Back door key lock and unlock switch circuit
CIRCUIT DESCRIPTION
The back door ECU operates the back door lock motor based on information from the back door key lock
and unlock switch.
The back door power window goes up when the key is inserted into the cylinder and turned to the LOCK
position. The window goes down when the key is turned to the UNLOCK position.
WIRING DIAGRAM
DI94L±05