Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21pl9 cirsa20
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05-1350
DIAGNOSTICS - NAVIGATION SYSTEM 05NRC-01
POWER SOURCE CIRCUIT (STEREO COMPONENT CONTROLLER
ASSY)
CIRCUIT DESCRIPTION
This circuit provides power to the stereo component controller assy.
WIRING DIAGRAM
Stereo Component
Controller Assy
13 J/C 1 5 2 1 8
V V V LG LG
J7 J8 IG1 IH3 BK2 R24 +B
R/B No.3 13 LG 9 16
LG
RSE IH3 BK2 R24 ACC
P
3 3 J23
2 1
J/C
GR GR
Driver Side J/B A A
ACC Relay RAD2 24 3
GR
1L IF2
5 3
9 16
W-B
1H 1L 16 9
2 1 LG LG
1 AM1 BK2 R24 GND
10
1A 1H
I15 Ignition SW 6
W-B
IH3
P W-L
J23
3 ACC AM1 1
J/C
W-B
FL Block
1 B B
W
F7
ALT
4 1
P
F12 F6 7
W-B
IF2
W
FL MAIN
Battery
IE IF
I45242
I45970
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1533
05-1351
DIAGNOSTICS - NAVIGATION SYSTEM
INSPECTION PROCEDURE
1 INSPECT STEREO COMPONENT CONTROLLER ASSY (+B, ACC, GND)
Wire Harness View: (a) Disconnect the stereo component controller assy con-
nector R24.
(b) Measure the resistance according to the value(s) in the
R24
table below.
+B Standard:
ACC Tester connection Condition Specified condition
GND - Body ground Always Below 1
(c) Measure the voltage according to the value(s) in the table
GND
I35035 below.
Standard:
Tester connection Condition Specified condition
+B - GND Always 10 to 14 V
ACC - GND Ignition SW ACC 10 to 14 V
NG REPAIR OR REPLACE HARNESS OR CONNEC-
TOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE OR
DIAGNOSTIC TROUBLE CODE CHART (SEE PAGE 05-1286 OR 05-1278 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1534
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