Page 2033 of 4323
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1831
2025 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check wire harness and connector between door unlock detection switch and
passenger door ECU (See page IN±35).
NG Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page DI±1818).
Page 2034 of 4323
I28438
D21
Door Key Lock and
Unlock SW Front RH
LSWE
PKUL
PKL 13
2
3 W±B
LG±R
LG±B 4
1
2Front Passenger
Door ECU
F18 F18
*1: w/ Driving Position Memory
*2: w/o Driving Position Memory(*1) (*2)
F18 F18
F18 F189
10
22 (*1) (*2)
(*1) (*2) DI±1832
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2026 Author: Date:
2005 SEQUOIA (RM1146U)
Door key lock and unlock switch circuit
CIRCUIT DESCRIPTION
The door key lock and unlock switch is built in the door lock motor. When the key is turned to the lock side,
terminal 2 of the switch is grounded and when the key is turned to the unlock side, terminal 1 of the switch
is grounded.
The door key lock and unlock switch can be checked using the DTC check (refer to DI±1904).
WIRING DIAGRAM
DI1Q9±09
Page 2035 of 4323
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1833
2027 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check the door key lock and unlock switch (See page BE±79).
NG Replace the door key lock and unlock switch.
OK
2 Check wire harness and connector between door key lock and unlock switch
and passenger door ECU (See page IN±35).
NG Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page DI±1818).
Page 2036 of 4323
I28439
D11
Door Courtesy
Light Front RH
CTYB
PCYL 6
5 R
R±W1 2Front Passenger Door
ECU
*1: w/ Driving Position Memory
*2: w/o Driving Position Memory(*1) (*2)5 5
6 F18 F18
F18F18
(*1) (*2) DI±1834
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2028 Author: Date:
2005 SEQUOIA (RM1146U)
Door courtesy light circuit
CIRCUIT DESCRIPTION
The door courtesy light comes on when the door is opened and goes off when the door is closed.
WIRING DIAGRAM
DI1QA±09
Page 2037 of 4323
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1835
2029 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check door courtesy light operation.
CHECK:
Check that the door courtesy light comes on when the door is opened, and goes off when the door is closed.
OK:
Door courtesy light normally operates.
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI±1818).
NG
2 Check door courtesy light (See page BE±40).
NG Replace the door courtesy light.
OK
3 Check wire harness and connector between door courtesy light and passenger
door ECU (See page IN±35).
NG Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page DI±1818).
Page 2038 of 4323
I28440
G
R 1
2PDN
PU 9
1Front Passenger
Door ECU P7
Power Window Motor
Front RH
*1: w/ Driving Position Memory
*2: w/o Driving Position MemoryF18
F18
(*1) (*2)
1 14
F18
F18
(*1) (*2) DI±1836
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2030 Author: Date:
2005 SEQUOIA (RM1146U)
Power window motor circuit
CIRCUIT DESCRIPTION
The power window goes down when voltage is applied to terminal 1 of the power window motor, and the
window goes up when voltage is applied to terminal 2.
WIRING DIAGRAM
DI1QB±10
Page 2039 of 4323

± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
DI±1837
2031 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
HINT:
When using the hand±held tester, start the inspection from step 1 and when not using the hand±held tester,
start from step 2.
1 Check power window motor using hand±held tester.
PREPARATION:
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
CHECK:
According to the display on the tester, perform the ACTIVE TEST.
P±DOOR:
ItemTest DetailsDiagnostic Note
P/W UP/DOWNDrive the P/W Motor UP/DOWN
During this ACTIVE TEST, jam protection,
caught detection can be monitored.
(Refer to the DATA LIST for details)
OK:
Power window operates normally.
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI±1818).
NG
2 Check power window motor (See page BE±69).
NG Replace the power window motor.
OK
3 Check wire harness and connector between power window motor and passenger
door ECU (See page IN±35).
NG Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page DI±1818).
Page 2040 of 4323
I28441
W±B
L±W 5
4 Limit SWSGND
LMT 18
16Front Passenger
Door ECU P7
Power Window Motor
Front RH
*1: w/ Driving Position Memory
*2: w/o Driving Position MemoryF18
F18
(*1) (*2)
F18
F18
(*1) (*2)4
2 DI±1838
± DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEM
2032 Author: Date:
2005 SEQUOIA (RM1146U)
Jam protection limit switch circuit
CIRCUIT DESCRIPTION
The jam protection limit switch, built in the power window motor, turns off before top dead center. The ECU
reads this ºOFFº signal and fully closes the window.
WIRING DIAGRAM
DI1QC±08