2001 TOYOTA SEQUOIA Service Repair Manual

wheel sensor tailgate emergency towing fuse steering

Page 1985 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI1PB±09
I18633
D22
DRIVER DOOR ECU :
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1783
1977 Author: Date:
2005 SEQUOIA (RM1146U)
TERMINALS OF ECU
Symbols (Terminal No.)Wiring ColorTerminal Descr

Page 1986 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1784
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1978 Author: Date:
2005 SEQUOIA (RM1146U) MPX2 e ±
(8 e ±)
W±L e ±Multiplex communica-
tion lineMultiplex communication circuit±
KL e LSWE
(2

DI±1784
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1978 Author: Date:
2005 SEQUOIA (RM1146U) MPX2 e ±
(8 e ±)
W±L e ±Multiplex communica-
tion lineMultiplex communication circuit±
KL e LSWE
(22 e 9)LG±B e W±BDoor key lock and un-
lock switch (LOCK)Door key lock and unlock switch LOCKBelow 1 V
KL e LSWE
(22 e 9)LG±B e W±BDoor key lock and un-
lock switch (LOCK)Door key lock and unlock switch OFF or UNLOCK10 to 14 V
KUL e LSWE
(10 e 9)LG±R e
W±BDoor key lock and un-
lock switch (UNLOCK)Door key lock and unlock switch UNLOCKBelow 1 V
KUL e LSWE
(10 e 9)LG±R e
W±BDoor key lock and un-
lock switch (UNLOCK)Door key lock and unlock switch OFF or LOCK10 to 14 V
LSWD e LSWE
(24 e 9)R±Y e W±BDoor unlock detection
switchDriver door is locked10 to 14 V
LSWD e LSWE
(24 e 9)R±Y e W±BDoor unlock detection
switchDriver door is unlockedBelow 1 V
WLSW e GND
(7 e 13)R±L e W±BWindow lock switchDriver side window lock switch position UNLOCKBelow 1 V
WLSW e GND
(7 e 13)R±L e W±BWindow lock switchDriver side window lock switch position LOCK10 to 14 V
SGND e Body Ground
(4 e Body Ground)W±B e Body
GroundGroundAlwaysBelow 1 V
LSWE e Body Ground
(9 e Body Ground)W±B e Body
GroundGroundAlwaysBelow 1 V
DM+R (*1) e GND
(15 e 13)L±W e W±BOuter mirror motorRemote control mirror is not operatedBelow 1 V
DM+R (*1) e GND
(15 e 13)L±W e W±BOuter mirror motorRemote control mirror is operated DOWN or RIGHT10 to 14 V
DMVR (*1) e GND
(17 e 13)BR±B e
W±BOuter mirror motorRemote control mirror is not operatedBelow 1 V
DMVR (*1) e GND
(17 e 13)BR±B e
W±BOuter mirror motorRemote control mirror is operated UP or RIGHT10 to 14 V
DMHR (*1) e GND
(16 e 13)BR±R e
W±BOuter mirror motorRemote control mirror is not operatedBelow 1 V
DMHR (*1) e GND
(16 e 13)BR±R e
W±BOuter mirror motorRemote control mirror is operated LEFT or DOWN10 to 14 V
DVC (*1) e LE1
(11 e 12)BR±W e L±ROuter mirror position
sensorIgnition switch OFFBelow 1 V
DVC (*1) e LE1
(11 e 12)BR±W e L±ROuter mirror position
sensorIgnition switch ON4.8 to 5.2 V
VSSR (*1) e LE1
(18 e 12)BR±Y e L±ROuter mirror position
sensorIgnition switch ON, outer mirror position full DOWN0.5 to 1.8 V
VSSR (*1) e LE1
(18 e 12)BR±Y e L±ROuter mirror position
sensorIgnition switch ON, outer mirror position full UP3.5 to 4.5 V
HSSR (*1) e LE1
(19 e 12)L±B e L±ROuter mirror position
sensorIgnition switch ON, outer mirror position full OUT0.5 to 1.8 V
HSSR (*1) e LE1
(19 e 12)L±B e L±ROuter mirror position
sensorIgnition switch ON, outer mirror position full IN3.5 to 4.5 V
*1: w/ Driving position memory

Page 1987 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDEM±01
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1785
1979 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the hand±

DIDEM±01
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1785
1979 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 value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as the 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 DATA LIST.
D±DOOR:
ItemMeasurement Item/Dis-
play (Range)Normal ConditionDiagnostic Note
D P/W AUTO SW
Driver door power win-
dow auto SW signal/
ON or OFFON: Driver door power window auto UP/DOWN SW is ON
OFF: Driver door power window auto UP/DOWN SW is
OFF
±
P P/W AUTO SW
Driver door power win-
dow auto SW signal/
ON or OFFON: Driver door power window auto UP/DOWN SW is ON
OFF: Driver door power window auto UP/DOWN SW is
OFF
±
LIMIT SWJam protection limit SW/
ON or OFFON: Window is almost fully open
OFF: Window is open*1
LOCK POS SWLock position SW signal/
ON or OFFON: Door lock is in unlock position
OFF: Door lock is in lock position±
*1: If the jam protection limit switch is turned ON, the jam protection function will stop.
Even if the switch is not turned ON when the windows are almost fully open, the window will not fully close
as jam protection operates at upper window positions during automatic±up operation.
HINT:
The following data list can be used when the power window is operated through manual±up operation during
the ACTIVE TEST.
ItemMeasurement Item/Display (Range)Normal ConditionDiagnostic Note
GLASS POS±1/4
Detects things caught in the P/W / OK or
CAUTION
(Displayed during the active test)OK: Nothing caught in the range between
fully open and 1/4 open*2
GLASS POS±2/4
Detects things caught in the P/W / OK or
CAUTION
(Displayed during the active test)OK: Nothing caught in the range between
1/4 open and 2/4 open*2
GLASS POS±3/4
Detects things caught in the P/W / OK or
CAUTION
(Displayed during the active test)OK: Nothing caught in the range between
2/4 open and 3/4 open*2
GLASS POS±OPEN
Detects things caught in the P/W / OK or
CAUTION
(Displayed during the active test)OK: Nothing caught in the range between
3/4 open and fully open*2
HINT:
*2: If the CAUTION is displayed without applying any resistance in each range, there must be something
caught somewhere in that range.
ItemMeasurement Item/Display (Range)Normal ConditionDiagnostic Note
UP/DOOR KEY (*1)
Driver door key lock and unlock switch
linked window open and close/AVAIL or
NOT AVLAVAIL: Key±linked open and close SET
NOT AVL: Key±linked open and close UN-
SET
±
DOWN/DOOR KEY (*1)
Driver door key lock and unlock switch
linked window open and close/AVAIL or
NOT AVLAVAIL: Key±linked open and close SET
NOT AVL: Key±linked open and close UN-
SET
±

Page 1988 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1786
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1980 Author: Date:
2005 SEQUOIA (RM1146U)
*1: When the ignition key is not in the key cylinder and the back door is locked, turning and holding th

Page 1989 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI1PA±08
I28392
Power Window Master Switch
Driver Door ECU
Power Window Switch
Door Lock Control Switch
Window Lock Switch
Door Courtesy LightDoor Lock Assembly
Door Lock Motor
Door Unloc

Page 1990 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI1PD±10
I28457
F10
Fusible Link Block
Engine Room J/B
Sub J/B No. 3
SHORT PIN
D22
Driver Door ECU
SIG 21 A
W±LB±R 9
IB1 J/C
W±R ECU±B
Battery
IEB±R A
B±RInstrument Panel J/B
ECU±IG 4
1FI18
Ig

Page 1991 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1789
1983 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check ECU±IG, AM1, PWR No. 1 and ECU±B fuse.
CHECK:
Check continuity of the ECU

Page 1992 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1790
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1984 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check wire harness and connector (Driver door ECU ± body ground, battery)
(See page IN±35).
NG Repai

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