2001 TOYOTA SEQUOIA Page 18

± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1797
1991 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±1782).
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 driver 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±1782).

± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1799
1993 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.
D±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±1782).
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 driver
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±1782).

± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1801
1995 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 jam protection limit switch 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, read the DATA LIST.
D±DOOR:
ItemMeasurement Item/Dis-
play (Range)Normal ConditionDiagnostic Note
LIMIT SWJam protection limit SW/
ON or OFFON: Window is almost fully open
OFF: Window is open*1
*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.
OK:
Indication on the tester switches between ON and OFF in accordance with the jam protection
limit switch status.
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI±1782).
NG
2 Check jam protection limit switch (jam protection function) (See page BE±69).
NG Replace the power window motor.
OK

DI±1802
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1996 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check wire harness and connector between jam protection limit switch and driv-
er 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±1782).

DI±1804
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
1998 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check the jam protection pulse sensor circuit using DTC check (See page
DI±1904).
CHECK:
Check if DTC B1232 of the multiplex communication system is output.
OK:
DTC is not output.
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI±1782).
NG
2 Check jam protection pulse sensor (See page BE±69).
NG Replace the power window motor.
OK
3 Check wire harness and connector between jam protection pulse sensor and
driver 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±1782).

DI±1806
± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
2000 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.
Check if DTC B1221 of the multiplex communication system is output. When the DTC is not output, proceed
to the following procedures and when it is output, perform inspection (see page DI±1904).
1 Check window lock switch 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, read the DATA LIST.
D±DOOR:
ItemMeasurement Item/Dis-
play (Range)Normal ConditionDiagnostic Note
LOCK POS SWLock position SW signal/
ON or OFFON: Door lock is in unlock position
OFF: Door lock is in lock position±
OK:
Indication on the tester switches between ON and OFF in accordance with the window lock
switch status.
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI±1782).
NG
2 Check power main relay (See page BE±69).
NG Replace power main relay.
OK

± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1807
2001 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check wire harness and connector between driver door ECU and body ground
(See page IN±35).
NG Repair or replace wire harness or connector.
OK
4 Check wire harness and connector between passenger door ECU and body
ground (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±1782).

± DIAGNOSTICSDRIVER DOOR CONTROL SYSTEM
DI±1809
2003 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check remote control mirror motor (See page BE±115).
NG Replace remote control mirror motor.
OK
2 Check wire harness and connector between remote control mirror motor and
driver door ECU (See page IN±35).
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table (See page
DI±1782).