2001 TOYOTA SEQUOIA battery

DI277±14
I18700
J8
J/CB±R
2
L±WIG Instrument Panel J/B I18
Ignition SW
1IG1
AM1 B±Y4
1C
6
1CAM1
1 2ECU±IG
SUN ROOF1
1M
5
1M
1
1L8
5
B
W±L
B58 ALT F10
Fusible Link Block
W
Instrument Panel J/B
W±BW±B 7
1M 10
1F
IE Battery7
AS19
Sliding Roof
Control ECU
E DI±1668
± DIAGNOSTICSSLIDING ROOF SYSTEM
1862 Author: Date:
2005 SEQUOIA (RM1146U)
CIRCUIT INSPECTION
Power Source Circuit
CIRCUIT DESCRIPTION
This circuit provides power to operate the sliding roof control ECU.
WIRING DIAGRAM

DID97±01
DI±1678
± DIAGNOSTICSBODY CONTROL SYSTEM
1872 Author: Date:
2005 SEQUOIA (RM1146U)
BODY CONTROL SYSTEM
PRECAUTION
NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.
System NameSee Page
Back Door Power Window Control SystemBE±77

DID98±01
I28587
From Battery Driving Position Memory Switch BODY ECU
Courtesy SW (D)
MM
Remote Control Mirror Switch
RHOuter
Mirror LH
(Retract
Motor) M1
M2 MM
M1 DCTY
PCTY
RRCY
RLCY
HCTY
KSW
LSWR
LSWL
PKB
WIG
IG
ACC
BECU
S+B
BDRACT+
ACTD
ACT±M2
MIRB
MIRS
MIRFM+
MSW
EB
MF
E2MR
Door Lock Motor
Front
LHFront
RHRear
LHRear
RH
Courtesy SW (P)
Courtesy SW (RR)
Courtesy SW (RL)
Hood Courtesy SW
Key Unlock Warning SW
Door Unlock Detection
SW Rear RH
Door Unlock Detection
SW Rear LH
Parking Brake SW
Battery AM1ALTACC IG1 Ignition SwitchWSH
ECU±IG
RAD No. 2
ECU±B
DOOR No. 2SECURITY
HORN AM1
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1679
1873 Author: Date:
2005 SEQUOIA (RM1146U)
SYSTEM DIAGRAM

I28588
BEANBODY ECU
Hi Beam Indicator
Driver Door ECU
A/C ECU
Sliding Roof
Control ECUMPX1
MPX2
MPX3HIND
HRLY
H±ON
DIM
HEAD
TAIL
A
HF
HI
FOGCombination Meter
From
Battery
HEAD
MAIN
Headlight
DRL (*1)
Headlight
DRL No. 4H±LP(*2) DRLH±LP(*2)
Headlight
Headlight H±LP(*1)
H±LP(*1)
H±LP(*1)
H±LP(*1) DIMMER
(*2)
(*2) Combination Switch
Light Control
Switch
Dimmer
Switch
Fog Light
SwitchDRL
Resister
*1: w/ DRL
*2: w/o DRL DI±1680
± DIAGNOSTICSBODY CONTROL SYSTEM
1874 Author: Date:
2005 SEQUOIA (RM1146U)

I28734
BODY ECU
Back Door
Power Window SW
Rear Wiper
and
Washer
Switch
Rear Washer
Motor
Theft Deterrent Horn
Light
Control
Sensor
Wireless
Door Lock
Receiver ECU±B From
Battery
DLC3From
Battery
POWER MAIN
Power
Window SW
(RR)Power
Window
Motor (RR)PWR
No. 3
PWR
No. 2
Power
Window SW
(RL)Power
Window
Motor (RL)
From
Battery
From
Battery DOME
HORN Interior Light
HORN
Vehicle Horn
Combination Meter
Security Indicator
Horn Switch
Glass
Breakage
Sensor ECUWireless Buzzer
ECU±B
HTR PWS
BUP
BDN
RWLS
RWC1
RWW
SHTRCY
RRU
RRD
RLU
RLD
ILE
CLTB
CLTS
CLTEHR
RDA
PRG
GND1IND
HORN
BZR
OBD2DOP
Microphone
From
Battery
± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1681
1875 Author: Date:
2005 SEQUOIA (RM1146U)

DI1OG±31
I27698
B5B6
B7 BODY CONTROL ECU:
DI±1688
± DIAGNOSTICSBODY CONTROL SYSTEM
1882 Author: Date:
2005 SEQUOIA (RM1146U)
TERMINALS OF ECU
Symbols (Terminals No.)Wiring ColorTerminal DescriptionConditionSpecified Condition
KSW ± GND1
(B5±13 ± B6±6)Y±G ± W±BKey unlock warning
switch signalKey unlock warning switch ON
(Key inserted)Below 1 V
KSW ± GND1
(B5±13 ± B6±6)Y±G ± W±BKey unlock warning
switch signalKey unlock warning switch OFF
(Key not inserted)10 to 14 V
KSW2 ± GND1
(B5±15 ± B6±6)Y±G ± W±B
Key unlock warning
switch signal (Immobi-
lizer)Key unlock warning switch ON
(Key inserted)Below 1 V
KSW2 ± GND1
(B5±15 ± B6±6)Y±G ± W±B
Key unlock warning
switch signal (Immobi-
lizer)Key unlock warning switch OFF
(Key not inserted)10 to 14 V
HR ± GND1
(B7±18 ± B6±6)W±R ± W±BHorn switch signalHorn switch ONBelow 1 V
HR ± GND1
(B7±18 ± B6±6)W±R ± W±BHorn switch signalHorn switch OFF10 to 14 V
BDN ± GND1
(B6±15 ± B6±6)P±L ± W±BBack door power win-
dow motor (DOWN)Back door power window switch
DOWN positionBelow 1 V
BDN ± GND1
(B6±15 ± B6±6)P±L ± W±BBack door power win-
dow motor (DOWN)Back door power window switch
OFF or UP position10 to 14 V
BUP ± GND1
(B6±14 ± B6±6)W ± W±BBack door power win-
dow motor (UP)Back door power window switch
UP positionBelow 1 V
BUP ± GND1
(B6±14 ± B6±6)W ± W±BBack door power win-
dow motor (UP)Back door power window switch
OFF or DOWN position10 to 14 V
ACC ± GND1
(B7±10 ± B6±6)GR ± W±BIgnition switch (ACC)Ignition switch OFFBelow 1 V
ACC ± GND1
(B7±10 ± B6±6)GR ± W±BIgnition switch (ACC)Ignition switch ACC or ON10 to 14 V
BECU ± GND1
(B6±5 ± B6±6)W±R ± W±BBatteryAlways10 to 14 V
RLCY ± GND1
(B7±7 ± B6±6)R±W ± W±BCourtesy light switch
(Rear LH)Rear LH door courtesy light
switch ON (Open)Below 1 V
RLCY ± GND1
(B7±7 ± B6±6)R±W ± W±BCourtesy light switch
(Rear LH)Rear LH door courtesy light
switch OFF (Closed)10 to 14 V
RRCY ± GND1
(B5±8 ± B6±6)R±W ± W±BCourtesy light switch
(Rear RH)Rear RH door courtesy light
switch ON (Open)Below 1 V
RRCY ± GND1
(B5±8 ± B6±6)R±W ± W±BCourtesy light switch
(Rear RH)Rear RH door courtesy light
switch OFF (Closed)10 to 14 V
PCTY ± GND1
(B5±22 ± B6±6)LG±B ± W±BCourtesy light switch
(Front RH)Passenger door courtesy light
switch ON (Open)Below 1 V

± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1689
1883 Author: Date:
2005 SEQUOIA (RM1146U) PCTY ± GND1
(B5±22 ± B6±6)
LG±B ± W±BCourtesy light switch
(Front RH)Passenger door courtesy light
switch OFF (Closed)10 to 14 V
LSWL ± GND1
(B7±24 ± B6±6)P±L ± W±BDoor unlock detection
switch (Rear LH)Rear LH door unlock detection
switch ON (Unlocked)Below 1 V
LSWL ± GND1
(B7±24 ± B6±6)P±L ± W±BDoor unlock detection
switch (Rear LH)Rear LH door unlock detection
switch OFF (Locked)10 to 14 V
DCTY ± GND1
(B7±12 ± B6±6)GR±R ± W±BCourtesy light switch
(Front LH)Driver door courtesy light switch
ON (Open)Below 1 V
DCTY ± GND1
(B7±12 ± B6±6)GR±R ± W±BCourtesy light switch
(Front LH)Driver door courtesy light switch
OFF (Closed)10 to 14 V
LSWR ± GND1
(B5±21 ± B6±6)P±B ± W±BDoor unlock detection
switch (Rear RH)Rear RH door unlock detection
switch ON (Unlocked)Below 1 V
LSWR ± GND1
(B5±21 ± B6±6)P±B ± W±BDoor unlock detection
switch (Rear RH)Rear RH door unlock detection
switch OFF (Locked)10 to 14 V
HORN ± GND1
(B5±26 ± B6±6)B±Y ± W±BHorn switch signalHorn switch OFF10 to 14 V
HORN ± GND1
(B5±26 ± B6±6)B±Y ± W±BHorn switch signalHorn switch ONBelow 1 V
BDR ± GND1
(B6±2 ± B6±6)L±W ± W±BBatteryAlways10 to 14 V
GND1 ± Body ground
(B6±6 ± Body ground)W±B ± Body groundGroundAlwaysBelow 1 V
RWLS ± GND1
(B5±6 ± B6±6)Y±B ± W±BRear wiper switch sig-
nal (ON)Rear wiper switch ONBelow 1 V
RWLS ± GND1
(B5±6 ± B6±6)Y±B ± W±BRear wiper switch sig-
nal (ON)Rear wiper switch OFF or INT10 to 14 V
RWC1 ± GND1
(B5±7 ± B6±6)G±B ± W±BRear wiper switch sig-
nal (INT)Rear wiper switch INTBelow 1 V
RWC1 ± GND1
(B5±7 ± B6±6)G±B ± W±BRear wiper switch sig-
nal (INT)Rear wiper switch OFF10 to 14 V
ACTD ± GND1
(B7±2 ± B6±6)R±B ± W±BDoor lock motor (Front
LH)Power door lock not operating or
operating to UNLOCKBelow 1 V
ACTD ± GND1
(B7±2 ± B6±6)R±B ± W±BDoor lock motor (Front
LH)Power door lock not operating to
LOCK10 to 14 V
IND ± GND1
(B5±16 ± B6±6)GR ± W±BSecurity indicator lightSecurity indicator is offBelow 1 V
IND ± GND1
(B5±16 ± B6±6)GR ± W±BSecurity indicator lightSecurity indicator light is on10 to 14 V
SH ± GND1
(B7±1 ± B6±6)R±G ± W±BTheft deterrent horn
signalSecurity horn does not soundBelow 1 V
SH ± GND1
(B7±1 ± B6±6)R±G ± W±BTheft deterrent horn
signalSecurity horn sounds10 to 14 V
HRLY ± GND1
(B7±8 ± B6±6)LG±R ± W±BHEAD relay signalHEAD relay ONBelow 1 V
HRLY ± GND1
(B7±8 ± B6±6)LG±R ± W±BHEAD relay signalHEAD relay OFF10 to 14 V
TRLY ± GND1
(B7±11 ± B6±6)LG ± W±BTaillight relay signalTaillight relay ONBelow 1 V
TRLY ± GND1
(B7±11 ± B6±6)LG ± W±BTaillight relay signalTaillight relay OFF10 to 14 V

DI±1692
± DIAGNOSTICSBODY CONTROL SYSTEM
1886 Author: Date:
2005 SEQUOIA (RM1146U) FFOG ± GND1
(B6±13 ± B6±6)
G±B ± W±BFog light switch signalHeadlight dimmer switch LOW,
Fog light switch ON10 to 14 V
DIM (*1) ± GND1
(B7±17 ± B6±6)R ± W±BDIMMER relay signalIgnition switch OFFBelow 1 V
DIM (*1) ± GND1
(B7±17 ± B6±6)R ± W±BDIMMER relay signalIgnition switch ON10 to 14 V
H±ON (*1) ± GND1
(B7±16 ± B6±6)R±W ± W±BDRL No.4 relay signalIgnition switch OFFBelow 1 V
H±ON (*1) ± GND1
(B7±16 ± B6±6)R±W ± W±BDRL No.4 relay signalIgnition switch ON10 to 14 V
HIND (*1) ± GND1
(B5±18 ± B6±6)GR±L ± W±BHi±beam indicator light
signalIgnition switch OFFBelow 1 V
HIND (*1) ± GND1
(B5±18 ± B6±6)GR±L ± W±BHi±beam indicator light
signalIgnition switch ON10 to 14 V
A (*3) ± GND1
(B6±10 ± B6±6)L±R ± W±BLight control switch
(AUTO)Light control switch OFFBelow 1 V
A (*3) ± GND1
(B6±10 ± B6±6)L±R ± W±BLight control switch
(AUTO)Light control switch AUTO10 to 14 V
MIRE ± GND1
(B5±28 ± B6±6)LG±B ± W±BRemote control mirror
switch (Ground)AlwaysBelow 1 V
MIRS ± GND1
(B5±29 ± B6±6)P±L ± W±BRemote control mirror
switch (IG)Ignition switch ON10 to 14 V
MIRS ± GND1
(B5±29 ± B6±6)P±L ± W±BRemote control mirror
switch (IG)Ignition switch ON,
Mirror switch L or R position se-
lected
Below 1 V
MIRB ± GND1
(B5±30 ± B6±6)G±B ± W±BRemote control mirror
switch (Battery)Always10 to 14 V
S+B ± GND1
(B6±1 ± B6±6)W±L ± W±BBatteryAlways10 to 14 V
PWS ± GND1
(B6±21 ± B6±6)R±L ± W±BBack door power win-
dow switch (Ground)Ignition switch ONBelow 1 V
PWS ± GND1
(B6±21 ± B6±6)R±L ± W±BBack door power win-
dow switch (Ground)Ignition switch ON,
Back door power window switch
operated
10 to 14 V
M2 (*4) ± GND1
(B6±22 ± B6±6)G ± W±BDriving position
memory switch (M2)Ignition switch ON10 to 14 V
M2 (*4) ± GND1
(B6±22 ± B6±6)G ± W±BDriving position
memory switch (M2)Ignition switch ON,
Driving position memory switch
M2 button pushed
Below 1 V
M1 (*4) ± GND1
(B6±23 ± B6±6)L±Y ± W±BDriving position
memory switch (M1)Ignition switch ON10 to 14 V
M1 (*4) ± GND1
(B6±23 ± B6±6)L±Y ± W±BDriving position
memory switch (M1)Ignition switch ON,
Driving position memory switch
M1 button pushed
Below 1 V
MM (*4) ± GND1
(B6±24 ± B6±6)L ± W±BDriving position
memory switch (SET)Ignition switch ON10 to 14 V
MM (*4) ± GND1
(B6±24 ± B6±6)L ± W±BDriving position
memory switch (SET)Ignition switch ON,
Driving position memory switch
SET button pushed
Below 1 V