Page 2017 of 4323
DIDES±01
I28585
Power Main From
BatteryTo Rear
Power Window
SW RH PWR No. 3
To Rear
Power Window
SW LH PWR No. 4
Passenger Door ECU
(Power Window Switch Assembly)
Driver Door ECU
Back Door ECU
Front Passenger
Courtesy Light
BEAN Door Unlock
Detection Switch
Door Key Lock and
Unlock SwitchLSW
MPX2
GND
MPX1
CTYB
LSWP
PKL
PKULPCYLFrom
Battery
From
Ignition SWFrom
Battery
ECU±IG
PWR
ECU±B
Passenger Door Power Window Motor
DOWN
UP
Pulse Sensor
Limit Switch
Remote Control Mirror RH
LEFT
RIGHT
DOWN UP
DOWN
UPOUT
IN SIG
BDR
CPUB
PU
PDN
PLS
LMT
SGND
PM+R
PMHR
PMVR
PVC
VSSR
HSSR
RE1Instrument
Panel J/B
LSWE
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1815
2009 Author: Date:
2005 SEQUOIA (RM1146U)
SYSTEM DIAGRAM
Page 2018 of 4323
DI1PP±07
Customer Problem Analysis
Vehicle Brought to Workshop
Problem Symptom ConfirmationSymptom Simulation Symptom does not
occur
Circuit Inspection
Identification of Problem
Repair
Confirmation Test
EndTitles inside
are titles of pages in this
manual, with the page number indicated in
the bottom portion. See the indicated pages
for detailed explanations.
1
23
65
8P. IN±24
P. DI±1904 P. DI±1817
P. DI±1826 ± DI±1849
Symptom
occurs
Step 6, 8: Diagnostic steps permitting use of the
hand±held tester. 7
Multiplex Communication System Inspection * 4
Problem Symptoms Table
P. DI±1818
*: Confirm that there is no trouble by
DTC check.
DI±1816
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2010 Author: Date:
2005 SEQUOIA (RM1146U)
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
This ECU is connected to the multiplex communication system. Therefore, be sure to check that there is no
trouble in the multiplex communication system before performing the troubleshooting.
Page 2019 of 4323
DI1PT±06
PASSENGER DOOR CONTROL SYSTEM Check Sheet
Inspector 's name:
Customer 's Name
Date Vehicle
Odometer Reading / /km
mile
Weather Conditions
When Problem
Occurred
Date Problem First Occurred
Frequency Problem Occurs
Weather
/ /
Once only Brought in
Malfunction
System
Outdoor Temperature
Fine Cloudy Rainy Snowy
Various/Others
Hot Warm Cool
Cold (Approx. °F ( °C))
Constant Sometimes ( times per day, month)
Power Window Control System
Power Door Lock Control System
Theft Deterrent System
Other
Jam Protection SystemVIN
Licence Plate No.
Production Date
Front Passenger Side Door Courtesy Light System
Remote Control Mirror RH System
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1817
2011 Author: Date:
2005 SEQUOIA (RM1146U)
CUSTOMER PROBLEM ANALYSIS CHECK
Page 2020 of 4323

DI1PV±06
DI±1818
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2012 Author: Date:
2005 SEQUOIA (RM1146U)
PROBLEM SYMPTOMS TABLE
POWER WINDOW CONTROL SYSTEM
SymptomSuspected AreaSee page
Power window does not operate.
1. Power source circuit
2. Power window motor circuit
3. Window lock switch circuit
4. Passenger door ECUDI±1826
DI±1836
DI±1843
IN±35
Auto up (or down) function does not operate.1. Power source circuit
2. Passenger door ECUDI±1826
IN±35
Jam protection function and auto up (or down) function do not
operate.1. Jam protection limit switch circuit
2. Jam protection pulse sensor circuit
3. Passenger door ECUDI±1838
DI±1841
IN±35
OTHER
SymptomSuspected AreaSee page
Door parts do not function.1. Power source circuit
2. Passenger door ECUDI±1826
IN±35
Door key related function does not operate.1. Door key lock and unlock switch circuit
2. Passenger door ECUDI±1832
IN±35
Courtesy light does not come on.
(Passenger's)1. Door courtesy light circuit
2. Passenger door ECUDI±1834
IN±35
Remote control mirror RH does not operate.
(w/ Driving position memory)1. Remote control mirror motor RH circuit
2. Remote control mirror position sensor RH circuit
3. Passenger door ECUDI±1845
DI±1847
IN±35
Door lock control does not operate.
1. Door unlock detection switch circuit
2. Door lock motor circuit
3. Passenger door ECUDI±1829
DI±1720
IN±35
Page 2021 of 4323

DIDET±01
I18630
F18PASSENGER DOOR ECU
(w/o Driving Position Memory):
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1819
2013 Author: Date:
2005 SEQUOIA (RM1146U)
TERMINALS OF ECU
Symbols (Terminal No.)Wiring ColorTerminal De-
scriptionConditionSpecified Condition
BDR e GND
(20 e 8)L±Y e W±BBatteryAlways10 to 14 V
CPUB e GND
(12 e 8)W±R e W±BBatteryAlways10 to 14 V
SIG e GND
(19 e 8)B±R e W±BIgnition switchIgnition switch ON10 to 14 V
GND e Body Ground
(8 e Body ground)W±B e Body
GroundGroundAlwaysBelow 1 V
PLS e SGND
(17 e 18)L±R e W±BPower window
pulse sensorPower window is operatedPulse generation
PLS e SGND
(17 e 18)L±R e W±BPower window
pulse sensorPower window is not operated (Switch ON)Below 1 V
PLS e SGND
(17 e 18)L±R e W±BPower window
pulse sensorPower window is not operated (Switch OFF)10 to 14 V
LMT e SGND
(16 e 18)L±W e W±BPower window
limit switchFront passenger's door window not fully closed positionBelow 1 V
LMT e SGND
(16 e 18)L±W e W±BPower window
limit switchFront passenger's door window fully closed position10 to 14 V
PU e PDN
(1 e 9)R e GPower window
motor (UP)Ignition switch ON and front passenger's window switch
OFFBelow 1 V
PU e PDN
(1 e 9)R e GPower window
motor (UP)Ignition switch ON and front passenger's window switch
UP10 to 14 V
PDN e PU
(9 e 1)G e RPower window
motor (DOWN)Ignition switch ON and front passenger's window switch
OFFBelow 1 V
PDN e PU
(9 e 1)G e RPower window
motor (DOWN)Ignition switch ON and front passenger's window switch
DOWN10 to 14 V
MPX1 e ±
(10 e ±)B e ±Multiplex com-
munication lineMultiplex communication circuit±
MPX2 e ±
(11 e ±)G±B e ±Multiplex com-
munication lineMultiplex communication circuit±
Page 2022 of 4323

I18633
F18PASSENGER DOOR ECU
(w/ Driving Position Memory): DI±1820
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2014 Author: Date:
2005 SEQUOIA (RM1146U) PKL e LSWE
(3 e 13)
LG±B e W±B
Door key lock
and unlock
switch (LOCK)
Door key lock and unlock switch LOCKBelow 1 V
PKL e LSWE
(3 e 13)LG±B e W±B
Door key lock
and unlock
switch (LOCK)
Door key lock and unlock switch OFF or UNLOCK10 to 14 V
PKUL e LSWE
(2 e 13)LG±R e W±B
Door key lock
and unlock
switch (UN-
LOCK)
Door key lock and unlock switch UNLOCKBelow 1 V
PKUL e LSWE
(2 e 13)LG±R e W±B
Door key lock
and unlock
switch (UN-
LOCK)
Door key lock and unlock switch OFF or LOCK10 to 14 V
LSWP e LSWE
(4 e 13)R±Y e W±BDoor unlock
detection switchFront passenger's door is locked10 to 14 V
LSWP e LSWE
(4 e 13)R±Y e W±BDoor unlock
detection switchFront passenger's door is unlockedBelow 1 V
LSW e GND
(7 e 8)R±L e W±BWindow lock
switchWindow lock switch position UNLOCKBelow 1 V
LSW e GND
(7 e 8)R±L e W±BWindow lock
switchWindow lock switch position LOCK10 to 14 V
CTYB e PCYL
(6 e 5)R e R±WDoor courtesy
light (Front RH)Front passenger's door closed10 to 14 V
CTYB e PCYL
(6 e 5)R e R±WDoor courtesy
light (Front RH)Front passenger's door openBelow 1 V
LSWE e Body ground
(13 e Body ground)W±B e Body
groundGroundAlwaysBelow 1 V
SGND e Body ground
(18 e Body ground)W±B e Body
groundGroundAlwaysBelow 1 V
Symbols (Terminal No.)Wiring ColorTerminal De-
scriptionConditionSpecified Condition
MPX1 e ±
(20 e ±)B e ±Multiplex com-
munication lineMultiplex communication circuitPulse generation
SIG e GND
(21 e 13)B±R e W±BIgnition switchIgnition switch ON10 to 14 V
Page 2023 of 4323

± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1821
2015 Author: Date:
2005 SEQUOIA (RM1146U) BDR e GND
(25 e 13)
L±Y e W±BBatteryAlways10 to 14 V
CPUB e GND
(23 e 13)W±R e W±BBatteryAlways10 to 14 V
LMT e SGND
(2 e 4)L±W e W±BPower window
limit switchFront passenger's door window not fully closedBelow 1 V
LMT e SGND
(2 e 4)L±W e W±BPower window
limit switchFront passenger's door window fully closed10 to 14 V
PLS e SGND
(3 e 4)L±R e W±BPower window
pulse sensorPower window is operatedPulse generation
SGND e Body ground
(4 e Body ground)W±B e Body
groundGroundAlwaysBelow 1 V
PU e PDN
(1 e 14)R e GPower window
motor (UP)Ignition switch ON and front passenger's window switch
OFFBelow 1 V
PU e PDN
(1 e 14)R e GPower window
motor (UP)Ignition switch ON and front passenger's window switch
UP10 to 14 V
PDN e PU
(14 e 1)G e RPower window
motor (DOWN)Ignition switch ON and front passenger's window switch
OFFBelow 1 V
PDN e PU
(14 e 1)G e RPower window
motor (DOWN)Ignition switch ON and front passenger's window switch
DOWN10 to 14 V
LSW e GND
(7 e 13)R±L e W±BWindow lock
switchWindow lock switch position UNLOCKBelow 1 V
LSW e GND
(7 e 13)R±L e W±BWindow lock
switchWindow lock switch position LOCK10 to 14 V
MPX2 e ±
(8 e ±)G±B e ±Multiplex com-
munication lineMultiplex communication circuitPulse generation
GND e Body ground
(13 e Body ground)W±B e Body
groundGroundAlwaysBelow 1 V
LSWP e LSWE
(24 e 9)R±Y e W±BDoor unlock
detection switchFront passenger's door is locked10 to 14 V
LSWP e LSWE
(24 e 9)R±Y e W±BDoor unlock
detection switchFront passenger's door is unlockedBelow 1 V
LSWE e Body ground
(9 e Body ground)W±B e Body
groundGroundAlwaysBelow 1 V
PKUL e GND
(10 e 13)LG±R e W±B
Door key lock
and unlock
switch (UN-
LOCK)
Door key lock and unlock switch UNLOCKBelow 1 V
PKUL e GND
(10 e 13)LG±R e W±B
Door key lock
and unlock
switch (UN-
LOCK)
Door key lock and unlock switch OFF or LOCK10 to 14 V
PKL e GND
(22 e 13)LG±B e W±B
Door key lock
and unlock
switch (LOCK)
Door key lock and unlock switch LOCKBelow 1 V
PKL e GND
(22 e 13)LG±B e W±B
Door key lock
and unlock
switch (LOCK)
Door key lock and unlock switch OFF or UNLOCK10 to 14 V
CTYB e PCYL
(5 e 6)R e R±WDoor courtesy
light (Front RH)Front passenger's door closed10 to 14 V
Page 2024 of 4323

DI±1822
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2016 Author: Date:
2005 SEQUOIA (RM1146U) CTYB e PCYL
(5 e 6)
R e R±WDoor courtesy
light (Front RH)Front passenger's door openBelow 1 V
PVC e RE1
(11 e 12)GR±B e GR±
ROuter mirror
position sensorIgnition switch OFFBelow 1 V
PVC e RE1
(11 e 12)GR±B e GR±
ROuter mirror
position sensorIgnition switch ON4.8 to 5.2 V
VSSR e RE1
(18 e 12)GR±G e GR±
ROuter mirror
position sensorIgnition switch ON, outer mirror position full OUT0.5 to 1.8 V
VSSR e RE1
(18 e 12)GR±G e GR±
ROuter mirror
position sensorIgnition switch ON, outer mirror position full IN3.5 to 4.5 V
HSSR e RE1
(19 e 12)GR±L e GR±
ROuter mirror
position sensorIgnition switch ON, outer mirror position full DOWN0.5 to 1.8 V
HSSR e RE1
(19 e 12)GR±L e GR±
ROuter mirror
position sensorIgnition switch ON, outer mirror position full UP3.5 to 4.5 V
PM+R e GND
(15 e 13)L±W e W±BOuter mirror mo-
torRemote control mirror is not operatedBelow 1 V
PM+R e GND
(15 e 13)L±W e W±BOuter mirror mo-
torRemote control mirror is operated DOWN or RIGHT10 to 14 V
PMVR e GND
(17 e 13)LG±B e W±BOuter mirror mo-
torRemote control mirror is not operatedBelow 1 V
PMVR e GND
(17 e 13)LG±B e W±BOuter mirror mo-
torRemote control mirror is operated UP or RIGHT10 to 14 V
PMHR e GND
(16 e 13)LG±R e W±BOuter mirror mo-
torRemote control mirror is not operatedBelow 1 V
PMHR e GND
(16 e 13)LG±R e W±BOuter mirror mo-
torRemote control mirror is operated LEFT or DOWN10 to 14 V