Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 19 srsy insp
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BE-95
BODY ELECTRICAL - SLIDING ROOF SYSTEM
BE0FO-03
Wire Harness Side INSPECTION
1. INSPECT SLIDING ROOF CONTROL RELAY AND
SWITCH CIRCUIT
Disconnect the connector from the relay and switch and inspect
the connector on the wire harness side, as shown in the chart.
s-8-1
I04046
Tester connection Condition Specified condition
1-5 Constant Continuity
2 - Ground Constant Continuity
3 - Ground No.1 limit switch OFF (Sliding roof closed) No continuity
3 - Ground No.1 limit switch ON (Sliding roof opened) Continuity
No.2 limit switch OFF (Sliding roof tilted up or
7 - Ground No continuity
open approx. 200 mm (7.87 in.)
No.2 limit switch ON (Except for conditions
7 - Ground Continuity
mentioned above)
4 - Ground Ignition switch LOCK or ACC *No voltage
4 - Ground Ignition switch ON Battery positive voltage
*Exceptions: For 60 seconds after the ignition switch is turned
ON to OFF (ACC) or until driver or passenger door is opened
after the ignition switch is turned ON to OFF (ACC).
If the circuit is as specified, replace the relay and switch.
2. INSPECT SLIDING ROOF MOTOR OPERATION
1 (a) Connect the positive (+) lead from the battery to terminal
2 1 and the negative (-) lead to terminal 2, check that the
motor turns counterclockwise (for closing and raising op-
erations).
N21993
(b) Reverse the polarity, check that the motor turns clock-
1 wise. (for opening and lowering operations).
2 If operation is not as specified, replace the motor.
N21994
2001 SIENNA (RM787U)
Author : Date : 1613
BE-96
BODY ELECTRICAL - SLIDING ROOF SYSTEM
3. INSPECT SLIDING ROOF LIMIT SWITCH CONTINUITY
Switch position Tester connection Specified condition
No.1 No.1 limit switch OFF
ON 4-5 No continuity
Limit Switch (SW pin released)
21
No.2 4 3 No.1 limit switch ON
4-5 Continuity
OFF Limit Switch 6 5 (SW pin pushed in)
No.2 limit switch OFF
4-6 No continuity
(SW pin released)
N21180 No.2 limit switch ON
4-6 Continuity
(SW pin pushed in)
If continuity is not as specified, replace the switch.
Wire Harness Side 4. INSPECT SLIDING ROOF MOTOR AND LIMIT SWITCH
CIRCUIT
Disconnect the connector from the limit switch and inspect the
connector on the wire harness side.
g-6-1-B
I19474
Tester connection Condition Specified condition
3 - Ground Constant Continuity
4 - Ground Constant Continuity
If the circuit is not as specified, inspect the circuits connected
to other parts.
5. INSPECT CIRCUIT BREAKER OPERATION
(a) With the sliding roof in the fully opened position, hold the
sliding roof switch in "OPEN" position and check that
there is a circuit breaker operation noise within 10 to 60
seconds.
within
10 to 60
seconds
N21644
2001 SIENNA (RM787U)
Author : Date : 1614
BE-97
BODY ELECTRICAL - SLIDING ROOF SYSTEM
(b) With the sliding roof in fully opened position, hold the slid-
ing roof switch in "TILT UP" position and check that the
sliding roof begins to close within 60 seconds.
If operation is not as specified, replace the motor.
6. INSPECT KEY-OFF SLIDING ROOF OPERATION
(See integration relay circuit on page DI-628 )
within
60
seconds
N21645
2001 SIENNA (RM787U)
Author : Date : 1615
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