Toyota Sequoia (2005). Manual — part 500
–
DIAGNOSTICS
DRIVER DOOR CONTROL SYSTEM
DI–1795
1989
INSPECTION PROCEDURE
1
Check the door key lock and unlock switch (See page
NG
Replace the door key lock and unlock switch.
OK
2
Check wire harness and connector between door key lock and unlock switch
and driver door ECU (See page
NG
Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table (See page
).
I18709
D22
Driver Door ECU
D10
Door Courtesy Light Front LH
CTYB
DCYL
5
6
R
R–W
1
2
DI–1796
–
DIAGNOSTICS
DRIVER DOOR CONTROL SYSTEM
1990
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
DI1PI–18
–
DIAGNOSTICS
DRIVER DOOR CONTROL SYSTEM
DI–1797
1991
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
NG
2
Check door courtesy light (See page
NG
Replace the door courtesy light.
OK
3
Check wire harness and connector between door courtesy light and driver door
ECU (See page
NG
Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table (See page
).
I28452
D22
Driver Door ECU
P6
Power Window Motor
Front LH
DDN
DU
14
1
G
R
2
1
DI–1798
–
DIAGNOSTICS
DRIVER DOOR CONTROL SYSTEM
1992
Power window motor circuit
CIRCUIT DESCRIPTION
The power window goes down when voltage is applied to terminal 2 of the power window motor, and the
window goes up when voltage is applied to terminal 1.
WIRING DIAGRAM
DI1PJ–09
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