2001 TOYOTA SEQUOIA wiring diagram

I28517
R±L
B2
Back Door Power Window Control Switch
UP
DOWNB6
BDN 14
15 6
B6BUP
3
5W
P±LB6 21
PWSBody ECU DI±1718
± DIAGNOSTICSBODY CONTROL SYSTEM
1912 Author: Date:
2005 SEQUOIA (RM1146U)
Back door power window switch circuit
CIRCUIT DESCRIPTION
The body ECU detects the condition of the back door power window switch and sends the related information
to the back door ECU via BEAN.
WIRING DIAGRAM
DI572±08

I24353
Body ECU
BC1ACT± J11 J10 D18
Door Lock Motor
Rear LH
J10
J10
J10 J11
J11
J11
J11B5
B5
B7ACT+
IB1 BC1 BA1
2
ACTD L±B
10 9
L±B L±B
L±B
L±B
L±R
L±R L±R
L±RL±R L±R
D21
Door Lock
Motor
Front RH
D20
Door Lock
Motor Front
LHD19
Door Lock
Motor Rear RHL±B
L±R
L±R
R±B L±BL±B
L±B
L±R L±R
R±B2 6
5
1 2
4 3 2
1
13C
A
12 10C
D
D
A E EE10
1
II2 IB1 BA1II2
10
9J/C
L±R
J/C
KD
NG J45
J44 DJJ/C
J34J33
CJ/C
I
J34
J33
J45
J44 DI±1720
± DIAGNOSTICSBODY CONTROL SYSTEM
1914 Author: Date:
2005 SEQUOIA (RM1146U)
Door lock motor circuit
CIRCUIT DESCRIPTION
The body ECU actuates the door lock motor when it receives a motor drive signal from the wireless transmit-
ter or an ECU via BEAN.
WIRING DIAGRAM
DI573±11

I24354
BHW±BW±B
W±BP±B
W±BBA1Body ECU
432 D18
Door Unlock Detection SW
Rear LH
B7 LSWL
2
BC12
1
3
BC1
BKB5 LSWR 3
BA1
P±L
D19
Door Unlock Detection SW
Rear RH
P±B P±B21 24
P±L P±LJ/C
LE
J30
J29
J/C
J45 J44FM
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1723
1917 Author: Date:
2005 SEQUOIA (RM1146U)
Rear Door unlock detection switch circuit
CIRCUIT DESCRIPTION
The door unlock detection switch is built in the door lock motor assembly. This switch is ON when the door
lock knob is in the unlock position and OFF when the lock knob is in the lock position. The ECU detects the
door lock knob conditions in this circuit.
WIRING DIAGRAM
DI574±10

I18736
1 22014Body ECU
HCTY
B7
IA1
AJ1
J/CL±W E3
Engine Hood
Courtesy SW
W±B
EA L±W
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1725
1919 Author: Date:
2005 SEQUOIA (RM1146U)
Engine Hood Courtesy Switch Circuit
CIRCUIT DESCRIPTION
The engine hood courtesy switch is built into the engine hood lock assembly, and is turned on when the en-
gine hood is opened and goes off when the engine hood is closed.
WIRING DIAGRAM
DI7NV±08

I28518
1
11
1R±WBody ECU
B7 12
DCTYPCTY RRCY RLCY
B522 B58 B77
R±W
R±W
R±W
LG±B B±O
LG±B
D14
Door Courtesy Light
Switch Front LH D9
DIODE
D16
Door Courtesy
Light Switch
Rear LH
D17
Door
Courtesy
Light Switch
Rear RHD15
Door Courtesy Light
Switch Front RH 2
3
B±O23 D8
DIODEJ/C
J30 J29KD
J/C
J45 J44C
J
GN
J/C
NG J45 J44J/C
J30 J29
GR±RGR±R DI±1728
± DIAGNOSTICSBODY CONTROL SYSTEM
1922 Author: Date:
2005 SEQUOIA (RM1146U)
Door courtesy light switch circuit
CIRCUIT DESCRIPTION
The door courtesy light switch is turned ON when the door is opened and is turned OFF when the door is
closed.
WIRING DIAGRAM
DI577±10

I18742
Body ECU
IEW±BIND 12
A17
BR
J8
J/CGR 9
1F 1D6
C6C5 Combination Meter
16
B5 Security Instrument Panel J/B
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1731
1925 Author: Date:
2005 SEQUOIA (RM1146U)
Theft deterrent indicator circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is preparing to set, this circuit turns on the indicator light. When the system
has been set, it continually turns the indicator light on for 1 second and turns it off for 1 second, and thus
blinking the indicator light.
This theft deterrent indicator sends a key judgment of the immobilizer to the transponder key ECU.
WIRING DIAGRAM
DI579±09

I18735
1Body ECU
T1
Theft Deterrent Horn
IA114
R±G
B71
SH R±G DI±1734
± DIAGNOSTICSBODY CONTROL SYSTEM
1928 Author: Date:
2005 SEQUOIA (RM1146U)
Theft deterrent horn circuit
CIRCUIT DESCRIPTION
During warning of the theft deterrent system, the body ECU activates the theft deterrent horn.
WIRING DIAGRAM
DI57A±10

I24356
32
1J 1E W±RBody ECU
RDA ECU±B
4
52D
5
4
B5PRG B
OW±R
B5 5
IG1
BatterySHORT PIN Engine Room J/B
1
2C8
Sub J/B No. 3
3A2
3A1
RDA PRG W2
Wireless Door
Control Receiver
+B
EV
R±G 3
2 W±RInstrument Panel J/B
F10
Fusible
Link
Block
BW±R
A J43
J/C
O
A
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1737
1931 Author: Date:
2005 SEQUOIA (RM1146U)
Wireless door lock receiver circuit
CIRCUIT DESCRIPTION
The signal from the transmitter is sent to the body ECU through RDA line of the wireless door control receiver.
RDA line is diagnosed by the body ECU, check DTC also in case of the failure of the wireless function.
WIRING DIAGRAM
DI6LV±13