Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20jw820a cipw016
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DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM 05-1577
PROTECTION) 059YX-09
POWER WINDOWS DO NOT OPERATE AT ALL
CIRCUIT DESCRIPTION
If all of the door windows do not operate, no power may be supplied to the power window master switch or
the power window master switch itself may have a malfunction.
WIRING DIAGRAM
D9
Instrument Panel J/B Assy Power Window Regulator
J18 Master Switch Assy
IG1 Relay J/C
From 1 23 4
5 3 ECU-IG B-R B-R B-R
Battery 1A 1L IA1 IG
87 97 11
I15
Ignition Switch
29
B-Y 2 1
1H
1 AM1 IG1 2
W-L 10 AM1
1H
PWR Relay
20 10
5 3 PWR L L
1K IA2 B
1 2 6
W-B 16
2 1
1L
18 15
PWS IG
Multiplex Network Body ECU
To Power Window Motor *1
To Power Window Switch *2
1
W-B W-B
IA1 E
1
IE
*1: Driver Side Power Window
*2: Other Power Window
B61926
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1760
05-1578 DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM
PROTECTION)
INSPECTION PROCEDURE
1 INSPECT FUSE (PWR, ECU-IG, AM1)
(a) Remove the fuses from the instrument panel J/B.
(b) Check the resistance.
Standard: Below 1
NG REPLACE FUSE
OK
2 INSPECT RELAY (IG1, PWR)
(a) Remove the relay from the instrument panel J/B.
IG1 Relay
(b) Check the resistance of the relay.
1 Standard:
Terminal No. Specified Condition
10 k or higher
5 3
3-5 Below 1
(When battery voltage is applied to terminals 1 and 2)
1 2
3 2 5
PWR Relay
2 5 3
5 3
1 2
1
B61927
NG REPLACE RELAY
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1761
DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM 05-1579
PROTECTION)
3 CHECK WIRE HARNESS (TO INSTRUMENT JUNCTION BLOCK ASSY)
(a) Disconnect the 1A, 1H and 1L J/B connectors.
Wire Harness Side
(b) Check the voltage and resistance between each terminal
1A
of the wire harness side connector and the body ground.
Instrument Panel J/B Assy Standard:
Terminal No. Condition Specified Condition
1A-1 - Body ground Constant 10 to 14 V
1L-16 - Body ground Constant Below 1
1H-10 - 1H-29 Ignition switch ON Below 1
1L
Instrument Panel J/B Assy
1H
Instrument Panel J/B Assy
B67307 NG REPAIR OR REPLACE HARNESS AND
CONNECTOR
OK
4 CHECK WIRE HARNESS (TO POWER WINDOW REGULATOR MASTER SWITCH)
Wire Harness Side
(a) Disconnect the D9 master switch connector.
D9
(b) Check the voltage or resistance between each terminal of
Power Window Regulator the wire harness side connector and the body ground.
Master Switch Assy Standard:
Terminal No. Condition Specified Condition
D9-6 (B) - Body ground
Ignition switch ON 10 to 14 V
D9-1 1 (IG) - Body ground
D9-1 (E) - Body ground Constant Below 1
B62895
OK REPLACE POWER WINDOW REGULATOR
MASTER SWITCH ASSY
NG
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1762
05-1580 DIAGNOSTICS - POWER WINDOW CONTROL SYSTEM (W/ JAM
PROTECTION)
5 CHECK WIRE HARNESS (INSTRUMENT JUNCTION BLOCK ASSY - POWER WIN-
DOW MASTER SWITCH)
(a) Disconnect the 1L and 1K J/B connectors.
Wire Harness Side
(b) Disconnect the D9 master switch connector.
D9 (c) Check the resistance between the wire harness side con-
Power Window Regulator nectors.
Master Switch Assy Standard:
Terminal No. Specified Condition
1K-20 - D9-6 (B)
Below 1
1L-23 - D9-11 (IG)
1K
Instrument J/B Assy
1L
Instrument J/B Assy
NG REPAIR OR REPLACE HARNESS AND
B68012 CONNECTOR
OK
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1763
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