Toyota Sequoia (2005). Manual — part 469
I18701
4
3
10
9
W–B
S19
Sliding Roof
Control ECU
UP
DWN
CLS
OPN
J8
J/C
O5
9
O5
10
O5
12
O5
11
UP
DWN
CLS
OPN
E
O5
1
W–B
1M
7
1F
10
IE
A
Instrument Panel J/B
Overhead Module
R–Y
R–W
G–Y
P–B
–
DIAGNOSTICS
SLIDING ROOF SYSTEM
DI–1671
1865
Sliding Roof Control Switch Circuit
CIRCUIT DESCRIPTION
The sliding roof control switch is built into the overhead module.
WIRING DIAGRAM
DI94F–05
DI–1672
–
DIAGNOSTICS
SLIDING ROOF SYSTEM
1866
INSPECTION PROCEDURE
HINT:
If not using the hand–held tester, start from STEP 2.
1
Check sliding roof control switch operation.
PREPARATION:
(a)
Connect the hand–held tester to the DLC3.
(b)
Turn ignition switch ON and hand–held tester main switch ON.
(c)
Select the DATA LIST mode on the hand–held tester.
CHECK:
Check that switch status (ON/OFF) changes on the screen of the hand–held tester as the sliding roof control
switch of the vehicle is turned.
SLIDE ROOF:
Item
Measurement Item/
Display (Range)
Normal condition
Diagnostic Note
OPEN SW
Sliding roof open SW
signal/ON or OFF
ON: Sliding roof is open
OFF: Sliding roof is close
–
CLOSE SW
Sliding roof close SW
signal/ON or OFF
ON: Sliding roof is close
OFF: Sliding roof is open
–
UP SW
Sliding roof up SW sig-
nal/ON or OFF
ON: Sliding roof is up
OFF: Sliding roof is down
–
DOWN SW
Sliding roof down SW
signal/ON or OFF
ON: Sliding roof is down
OFF: Sliding roof is up
–
OK:
The switch status changes in response to the vehicle switch operation.
NG
Replace sliding roof control switch or overhead
module.
OK
I21519
I21520
–
DIAGNOSTICS
SLIDING ROOF SYSTEM
DI–1673
1867
2
Check sliding roof control switch or overhead module.
PREPARATION:
Remove overhead module.
CHECK:
Check continuity between terminals when switch operated.
OK:
Switch position
Tester connection
Specified condition
SLIDE OPEN
11 – 1
Continuity
SLIDE OFF
11 –1, 12 – 1
No continuity
SLIDE CLOSE
12 – 1
Continuity
TILT DOWN
10 – 1
Continuity
TILT OFF
9 – 1, 12 – 1
No continuity
TILT UP
9 – 1
Continuity
PREPARATION:
Remove sliding roof control switch.
CHECK:
Check continuity between terminals when switch operated.
OK:
Switch position
Tester connection
Specified condition
SLIDE OPEN
3 – 5
Continuity
SLIDE OFF
3 – 4, 3 – 5
No continuity
SLIDE CLOSE
3 – 4
Continuity
TILT DOWN
2 – 3
Continuity
TILT OFF
1 – 3, 2 – 3
No continuity
TILT UP
1 – 3
Continuity
NG
Replace sliding roof control switch or overhead
module.
OK
DI–1674
–
DIAGNOSTICS
SLIDING ROOF SYSTEM
1868
3
Check for open and short in harness and connectors between sliding roof con-
trol ECU and sliding roof control switch or overhead module (See page
NG
Repair and replace harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page
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