Toyota Sequoia (2005). Manual — part 520
![](/vehicles/linovind/vere/fry/nesues.png)
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DIAGNOSTICS
BACK DOOR CONTROL SYSTEM
DI–1875
2069
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 the back door 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.
BACK–DOOR:
Item
Test details
Diagnostic note
P/W UP/DOWN
Operate the back door power window Motor UP/
DOWN
During this ACTIVE TEST, jam protection caught
detection can be monitored.
OK:
Back door power window operates normally.
OK
Proceed to next circuit inspection shown in
problem symptom table (See page
NG
2
Check back door power window motor (See page
NG
Replace the back door power window motor.
OK
![](/vehicles/linovind/vere/fry/fitrody.png)
DI–1876
–
DIAGNOSTICS
BACK DOOR CONTROL SYSTEM
2070
3
Check wire harness and connector between back door power window motor and
back 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
![](/vehicles/linovind/vere/fry/prr.png)
I28433
Back Door ECU
DSG
B10
23
6
2
LG–B
B14
Back Door Power
Window Motor
W–R
B10
11
DSV
5
3
PLS2
PLS1
SSRB
LG–R
P
B10
17
DS1
B10
16
DS2
E
Pulse
Sensor
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DIAGNOSTICS
BACK DOOR CONTROL SYSTEM
DI–1877
2071
Back door power window pulse sensor circuit
CIRCUIT DESCRIPTION
Two pulse sensors are built into the back door power window motor. The back door ECU detects movement
and position of the back door window based on information from these pulse sensors.
WIRING DIAGRAM
DI94I–04
![](/vehicles/linovind/vere/fry/quetou.png)
DI–1878
–
DIAGNOSTICS
BACK DOOR CONTROL SYSTEM
2072
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 the back door power window pulse sensor 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.
BACK–DOOR:
Item
Measurement Item/
Display (Range)
Normal Condition
Diagnostic Note
P/W POSITION
Back door power win-
dow position/CLOSE
or OPEN
CLOSE: Back door power window is fully closed
OPEN: Back door power window is opened
–
OK:
Indication on the tester switches between CLOSE and OPEN in accordance with the back door
power window status.
OK
Proceed to next circuit inspection shown in
problem symptoms table (See page
NG
2
Check back door power window pulse sensor (See page
).
NG
Replace the back door power window regulator
assembly.
OK
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