2001 TOYOTA SEQUOIA door lock

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±1690
± DIAGNOSTICSBODY CONTROL SYSTEM
1884 Author: Date:
2005 SEQUOIA (RM1146U) HCTY ± GND1
(B7±14 ± B6±6)
L±W ± W±BEngine hood courtesy
switch signalHood courtesy light switch ON
(Open)Below 1 V
HCTY ± GND1
(B7±14 ± B6±6)L±W ± W±BEngine hood courtesy
switch signalHood courtesy light switch OFF
(Close)10 to 14 V
WIG ± GND1
(B7±5 ± B6±6)L±Y ± W±BIgnition Switch (IG)Ignition switch LOCKBelow 1 V
WIG ± GND1
(B7±5 ± B6±6)L±Y ± W±BIgnition Switch (IG)Ignition switch ON10 to 14 V
IG ± GND1
(B7±6 ± B6±6)B±R ± W±BIgnition Switch (IG)Ignition switch LOCKBelow 1 V
IG ± GND1
(B7±6 ± B6±6)B±R ± W±BIgnition Switch (IG)Ignition switch ON10 to 14 V
RWW ± GND1
(B7±4 ± B6±6)G±B ± W±BRear washer switch
(ON)Rear washer switch ONBelow 1 V
RWW ± GND1
(B7±4 ± B6±6)G±B ± W±BRear washer switch
(ON)Rear washer switch OFF10 to 14 V
ACT+ ± GND1
(B5±1 ± B6±6)L±R ± W±BDoor lock motor (UN-
LOCK)Power door lock not operating or
operating to UNLOCKBelow 1 V
ACT+ ± GND1
(B5±1 ± B6±6)L±R ± W±BDoor lock motor (UN-
LOCK)Power door lock operating to
LOCK10 to 14 V
ACT± ± GND1
(B5±10 ± B6±6)L±B ± W±BDoor lock motor
(LOCK)Power door lock not operating or
operating to LOCKBelow 1 V
ACT± ± GND1
(B5±10 ± B6±6)L±B ± W±BDoor lock motor
(LOCK)Power door lock operating to UN-
LOCK twice10 to 14 V
MPX1
(B7±22)W±LMultiplex communica-
tion signalMultiplex communication circuit±
MPX2 (*2)
(B5±24)L±YMultiplex communica-
tion signalMultiplex communication circuit±
MPX3
(B7±20)G±OMultiplex communica-
tion signalMultiplex communication circuit±
ILE ± GND1
(B7±3 ± B6±6)W ± W±BIlluminationMap Light is offBelow 1 V
ILE ± GND1
(B7±3 ± B6±6)W ± W±BIlluminationMap Light is on10 to 14 V
PRG ± GND1
(B5±5 ± B6±6)V ± W±BWireless transmitter
signal groundWireless door look receiver com-
munication circuit±
RDA ± GND1
(B5±4 ± B6±6)R±G ± W±BWireless transmitter
signal inputWireless door lock control sys-
tem is operatedBelow 1 V
RDA ± GND1
(B5±4 ± B6±6)R±G ± W±BWireless transmitter
signal inputWireless door lock control sys-
tem is not operated10 to 14 V
HU ± GND1
(B6±11 ± B6±6)Y±R ± W±BHeadlight dimmer
switch (HI)Headlight dimmer switch position
is Hi beam or FLASHBelow 1 V
HU ± GND1
(B6±11 ± B6±6)Y±R ± W±BHeadlight dimmer
switch (HI)Headlight dimmer switch position
is not Hi beam or FLASH10 to 14 V
HF ± GND1
(B6±8 ± B6±6)R±L ± W±BHeadlight dimmer
switch (FLASH)Headlight dimmer switch position
is FLASHBelow 1 V
HF ± GND1
(B6±8 ± B6±6)R±L ± W±BHeadlight dimmer
switch (FLASH)Headlight dimmer switch position
is not FLASH10 to 14 V
TAIL ± GND1
(B6±7 ± B6±6)G ± W±BLight control switch
(TAIL)Light control switch TAIL or
HEADBelow 1 V

± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1691
1885 Author: Date:
2005 SEQUOIA (RM1146U) TAIL ± GND1
(B6±7 ± B6±6)
G ± W±BLight control switch
(TAIL)Light control switch OFF10 to 14 V
CLTS (*3) ± GND1
(B6±12 ± B6±6)Y ± W±BAutomatic light control
sensor (Signal)Ignition switch OFFBelow 1 V
CLTS (*3) ± GND1
(B6±12 ± B6±6)Y ± W±BAutomatic light control
sensor (Signal)Ignition switch ONSignal waveform
CLTE (*3) ± GND1
(B6±3 ± B6±6)BR ± W±BAutomatic light control
sensor (Ground)AlwaysBelow 1 V
CLTB (*3) ± GND1
(B6±4 ± B6±6)R±G ± W±BAutomatic light control
sensor (IG)Ignition switch OFFBelow 1 V
CLTB (*3) ± GND1
(B6±4 ± B6±6)R±G ± W±BAutomatic light control
sensor (IG)Ignition switch ON10 to 14 V
BZR ± GND1
(B7±15 ± B6±6)LG ± W±BWireless door lock
buzzer signalBuzzer does not soundBelow 1 V
BZR ± GND1
(B7±15 ± B6±6)LG ± W±BWireless door lock
buzzer signalBuzzer sounds10 to 14 V
RLD ± GND1
(B7±26 ± B6±6)L ± W±BPower window control
(Rear LH (DOWN))Ignition switch ONBelow 1 V
RLD ± GND1
(B7±26 ± B6±6)L ± W±BPower window control
(Rear LH (DOWN))Ignition switch ON,
Rear left power window DOWN
operation
10 to 14 V
RLU ± GND1
(B7±25 ± B6±6)G±R ± W±BPower window control
(Rear LH (UP))Ignition switch ONBelow 1 V
RLU ± GND1
(B7±25 ± B6±6)G±R ± W±BPower window control
(Rear LH (UP))Ignition switch ON,
Rear left power window UP op-
eration
10 to 14 V
RRD ± GND1
(B5±20 ± B6±6)L ± W±BPower window control
(Rear RH (DOWN))Ignition switch ONBelow 1 V
RRD ± GND1
(B5±20 ± B6±6)L ± W±BPower window control
(Rear RH (DOWN))Ignition switch ON,
Rear right power window DOWN
operation
10 to 14 V
RRU ± GND1
(B5±19 ± B6±6)G±Y ± W±BPower window control
(Rear RH (UP))Ignition switch ONBelow 1 V
RRU ± GND1
(B5±19 ± B6±6)G±Y ± W±BPower window control
(Rear RH (UP))Ignition switch ON,
Rear right power window UP op-
eration
10 to 14 V
HEAD ± GND1
(B6±9 ± B6±6)G±Y ± W±BLight control switch
(HEAD)Light control switch HEADBelow 1 V
HEAD ± GND1
(B6±9 ± B6±6)G±Y ± W±BLight control switch
(HEAD)Light control switch OFF or TAIL10 to 14 V
PKB ± GND1
(B5±3 ± B6±6)LG±R ± W±BParking brake switch
signalIgnition switch ON, Parking brake
appliedBelow 1 V
PKB ± GND1
(B5±3 ± B6±6)LG±R ± W±BParking brake switch
signalIgnition switch ON, Parking brake
not applied10 to 14 V
GSWGR RAirbag sensor commu-Airbag sensor communicationGSW
(B6±16)GR±RAirbag sensor commu
nication signal
Airbag sensor communication
circuit±
OBD2
(B5±2)G±RDiagnosis signalDLC3 communication circuit±
FFOG ± GND1
(B6±13 ± B6±6)G±B ± W±BFog light switch signalHeadlight dimmer switch LOW,
Fog light switch OFFBelow 1 V

DID99±01
DI±1694
± DIAGNOSTICSBODY CONTROL SYSTEM
1888 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the hand±held tester, you can read the values of the switches,
sensors, actuators and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting
is one of the methods to shorten labor time.
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on the tester, read the ºDATA LISTº.
BODY ECU:
ItemMeasurement Item/Display
(Range)Normal ConditionDiagnostic Note
KEY UNLK WRN SWKey unlock warning switch/ON or
OFFON: Key is in ignition key cylinder
OFF: No key is in ignition key cyl-
inder
±
ACC SWACC switch/ON or OFFON: Ignition switch ACC
OFF: Ignition switch OFF±
IG SWIG switch/ON or OFFON: Ignition switch ON
OFF: Ignition switch OFF±
PARKING BRAKE SWParking brake switch/ON or OFF
ON:
Parking brake pedal depressed
(ON)
OFF:
Parking brake released (OFF)
±
HOOD COURTSY SWHood courtesy switch/ON or OFF
ON: Engine hood OPEN
(Hood courtesy switch ON)
OFF: Engine hood CLOSED
(Hood courtesy switch OFF)
±
D DOR CTY SWDriver door courtesy light switch/
ON or OFFON: Driver door is opened
OFF: Driver door is closed±
P DOR CTY SWFront passenger door courtesy
light switch/ON or OFF
ON: Front passenger door is
opened
OFF: Front passenger door is
closed
±
Rr DOR CTY SWRear passenger door courtesy
light switch/ON or OFF
ON: Rear passenger door is
opened
OFF: Rear passenger door is
closed
±
MIRR SEL SW RRemote control mirror switch pas-
senger side/ON or OFF
ON: Remote control mirror switch
passenger side is selected
OFF: Remote control mirror switch
passenger side is not selected
±
MIRR SEL SW LRemote control mirror switch driv-
er side/ON or OFF
ON: Remote control mirror switch
driver side is selected
OFF: Remote control mirror switch
driver side is not selected
±
MIRR POS SW RRemote control mirror switch R
position/ON or OFF
ON: Remote control mirror switch
R position is selected
OFF: Remote control mirror switch
R position is not selected
±

± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1695
1889 Author: Date:
2005 SEQUOIA (RM1146U)MIRR POS SW L
Remote control mirror switch L
position/ON or OFF
ON: Remote control mirror switch
L position is selected
OFF: Remote control mirror switch
L position is not selected
±
MIRR POS SW UPRemote control mirror switch UP
position/ON or OFF
ON: Remote control mirror switch
UP position is selected
OFF: Remote control mirror switch
UP position is not selected
±
MIRR POS SW DWNRemote control mirror switch
DOWN position/ON or OFF
ON: Remote control mirror switch
DOWN position is selected
OFF: Remote control mirror switch
DOWN position is not selected
±
AUTO LIGHT SWLight control switch (AUTO)/ON or
OFF
ON: Light control switch position is
AUTO
OFF: Light control switch position
is not AUTO
±
HEAD LIGHT SWLight control switch (HEAD)/ON or
OFF
ON: Light control switch position is
HEAD
OFF: Light control switch position
is not HEAD
±
TAIL LIGHT SWLight control switch (TAIL)/ON or
OFF
ON: Light control switch position is
TAIL
OFF: Light control switch position
is not TAIL
±
ILLUMINATE RATEIllumination rate information/
MIN: 0 MAX: 99.99Condition value will be displayed
Normal value: 0.8 ms to 22.0 ms±
SEAT M1 SWMemory seat switch (M1)/ON or
OFF
ON: Memory seat switch position
is M1
OFF: Memory seat switch position
is not M1
±
SEAT M2 SWMemory seat switch (M2)/ON or
OFF
ON: Memory seat switch position
is M2
OFF: Memory seat switch position
is not M2
±
SEAT SET SWMemory seat switch (SET)/ON or
OFF
ON: Memory seat switch position
is SET
OFF: Memory seat switch position
is not SET
±
GLS BRK DETECTGlass breakage sensor/ON or
OFF
ON: Glass breakage sensor oper-
ates
OFF: Glass breakage sensor does
not operate
±
WIRELESS OPERWireless door lock control func-
tion/ON or OFF
ON: Wireless door lock function
operated
OFF: Wireless door lock function
not operated
±
OPEN DOOR WARNDOOR indicator light/ON or OFFON: Any door is open
OFF: All doors are closed±
AUTO LOCK DELAYAuto lock delay/60s or 30sCustomized value will be dis-
played±
UNLOCK/2OPER2 time operation wireless unlock
signal/ON or OFFCustomized condition will be dis-
played±

DI±1696
± DIAGNOSTICSBODY CONTROL SYSTEM
1890 Author: Date:
2005 SEQUOIA (RM1146U)INT/LGT ON/UNLK
ON or OFF
ON: Dome light comes on when
the doors are unlocked by the
wireless transmitter
OFF: Dome light does not come
on when the doors are unlocked
by the wireless transmitter
±
ALARM FUNCTIONPanic function signal/ON or OFFON: Panic function operated
OFF: Panic function not operated±
AUTO LOCKVehicle speed linked door lock/ON
or OFFCustomized condition will be dis-
played±
UNLK/KEY TWICEON or OFF
ON: Pressing the ºUNLOCKº
switch twice unlocks the driver
side door
OFF: Pressing the ºUNLOCKº
switch twice does not unlock the
driver side door
±
ALL UNLK/OPN±CL
Ignition switch OFF, shift lever P
position, driver courtesy lamp
switch ON signal/ON or OFFON: All doors unlock when open-
ing driver door within 10 seconds
after turning ignition switch OFF
OFF: Doors are not unlocked
±
UNLOCK/PARK
Ignition switch OFF, shift lever P
position, vehicle speed 0 km/h /
ON or OFF
ON: All doors unlock when shift
lever is moved to P from any posi-
tion other than P while ignition
switch is ON.
OFF: No door unlocks even when
shift lever is moved to P from any
position other than P while ignition
switch is ON
±
WARNING TIMEWarning time/5S, 15S, 27.5S or
60SCustomized value will be dis-
played±
PASSIVE MODEPassive mode information/ON or
OFFCustomized condition will be dis-
played±
WARN BY GLS SENON or OFF
ON: Warns when glass breakage
is detected
OFF:Does not warn when glass
breakage is detected
±
ENTRY DELAYIlluminated entry delay/0S, 14S or
30SCustomized value will be dis-
played±
AUTO LOCK/SHIFTON or OFF
ON: Auto lock function can be set
by the shift lever
OFF: Auto lock function cannot be
set by the shift lever
±
I/L ON/UNLOCKRoom light signal/ON or OFFON: Room light is on
OFF: Room light is off±
LIGHTING TIMELighting time/7.5S, 15S or 30SCustomized value will be dis-
played±
SENSITIVITY
Turn on luminous intensity/
DARK2, DARK1, NORMAL,
LIGHT1 or LIGHT2Customized condition will be dis-
played±
LIGHT OFF DELAYLight auto off delay/OFF, 30S, 60S
or 90SCustomized condition will be dis-
played±

± DIAGNOSTICSBODY CONTROL SYSTEM
DI±1697
1891 Author: Date:
2005 SEQUOIA (RM1146U)DISP EX ON SEN
Display extinction luminous inten-
sity/NORMAL, DARK2, DARK1,
LIGHT1 or LIGHT2Customized condition will be dis-
played±
DISP EX OFF SEN
Display extinction release lumi-
nous intensity/NORMAL, DARK2,
DARK1, LIGHT1 or LIGHT2Customized condition will be dis-
played±
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand±held tester allows the relays, actuators and so on to operate
without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the methods
to shorten labor time.
It is possible to display the DATE LIST during the ACTIVE TEST.
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) According to the display on the tester, perform the ºACTIVE TESTº.
BODY ECU:
ItemTest DetailsDiagnostic Note
SECURITY INDICTurn security indicator light ON/OFF±
SECURITY HORNTurn theft horn ON/OFFThis test is available only for vehicles equipped
with security horn.
BUZZ CONT SOUNDWireless buzzer continuous sound ON/OFF±
BUZZ RESP SOUNDTurn wireless buzzer ON/OFFTurn volume to MAX if it is a wireless buzzer
equipped vehicle.
HEAD LIGHTHeadlight relay ON/OFF±
TAIL LIGHTTaillight ON/OFF±
ILLUMI OUTPUTIlluminated entry system ON/OFFIG is ON, E/G is stopped and light control SW is
OFF.
ALL COURTESYDOOR indicator light ON/OFF±
VEHICLE HORNTurn vehicle horn ON/OFF±
RL P/W UP/DOWNRear left passenger power window DOWN/UPCaution: This test causes vehicle parts to move.
Watch your hands and feet.
RR P/W UP/DOWNRear right passenger power window DOWN/UPCaution: This test causes vehicle parts to move.
Watch your hands and feet.
DOOR LOCKDoor lock LOCK/UNLOCKAll doors are closed.