Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 202xl ciaudio4
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05-1222
DIAGNOSTICS - AUDIO SYSTEM 05AUC-02
AVC-LAN CIRCUIT
WIRING DIAGRAM
10 Speaker, RSE system:
Stereo Component Amplifier Assy Radio Receiver Assy
8 5
LG-B
TX+ S11 R7 TX+
7 15
LG-R
TX- S11 R7 TX-
Multi-display Controller Sub-assy
17 16 9
LG P
TX3+ R26 IH3 R8 TX+
18 17 10
W V
TX3- R26 IH3 R8 TX-
I33893
10 Speaker, RSA system:
R24
Stereo Component Controller Assy Radio Receiver Assy
10 16 9
LG LG P
TX+ BK2 IH3 R8 TX+
14
11 17 10
W W V
TX- BK2 IH3 R8 TX-
15
Stereo Component Amplifier Assy
8 5
LG-B
TX+ S11 R7 TX+
7 15
LG-R
TX- S11 R7 TX-
I33894
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1405
05-1223
DIAGNOSTICS - AUDIO SYSTEM
6 Speaker, RSE system:
Multi-display Controller Sub-assy Radio Receiver Assy
17 16 9
LG P
TX3+ R26 IH3 R8 TX+
18 17 10
W V
TX3- R26 IH3 R8 TX-
I33895
6 Speaker, RSA system:
R24
Stereo Component Controller Assy Radio Receiver Assy
10 16 9
LG LG P
TX+ BK2 IH3 R8 TX+
14
11 17 10
W W V
TX- BK2 IH3 R8 TX-
15
I33896
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1406
05-1224
DIAGNOSTICS - AUDIO SYSTEM
INSPECTION PROCEDURE
1 INSPECT APPARATUS
(a) Choose the apparatus to be inspected.
A Stereo component amplifier assy
B Stereo component controller assy
C Multi-display control sub-assy
B Go to step 4
C Go to step 6
A
2 SERVICE CHECK MODE(STEREO COMPONENT AMPLIFIER ASSY)
(a) Perform the service check.
(1) Start the diagnosis system and read check result for stereo component amplifier assy.
Standard:
A "NCON" is displayed or no display (DSP AMP)
B "GOOD" is displayed
B REPLACE RADIO RECEIVER ASSY
A
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1407
05-1225
DIAGNOSTICS - AUDIO SYSTEM
3 CHECK HARNESS AND CONNECTOR(RADIO RECEIVER ASSY - STEREO
COMPONENT AMPLIFIER ASSY)
Radio Receiver Assy:
(a) Disconnect the connectors from the radio receiver assy
TX+ and stereo component amplifier assy.
(1) Check continuity between terminals at each condi-
tion, as shown in the chart.
Standard:
Tester connection Specified condition
TX+ - TX+ Continuity
TX- - TX- Continuity
(2) Check for a short between terminals at each condi-
tion, as shown in the chart.
TX- Standard:
Stereo Component Amplifier Assy:
Tester connection Specified condition
TX+ - Body ground No Continuity
TX- - Body ground No Continuity
TX-
NG REPAIR OR REPLACE HARNESS OR
TX+ I33897 CONNECTOR (See page 01-37 )
OK
REPLACE STEREO COMPONENT AMPLIFIER ASSY
4 SERVICE CHECK MODE(STEREO COMPONENT CONTROLLER ASSY)
(a) Perform the service check.
(1) Start the diagnosis system and read check result for stereo component controller assy.
Standard:
A "NCON" is displayed or no display (RSA)
B "GOOD" is displayed
B REPLACE RADIO RECEIVER ASSY
A
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1408
05-1226
DIAGNOSTICS - AUDIO SYSTEM
5 CHECK HARNESS AND CONNECTOR(RADIO RECEIVER ASSY - STEREO
COMPONENT CONTROLLER ASSY)
(a) Disconnect the connectors from the radio receiver assy
10 Speaker, Radio Receiver Assy:
and stereo component controller assy.
(1) Check continuity between terminals at each condi-
tion, as shown in the chart.
Standard:
Tester connection Specified condition
TX+ - TX+ Continuity
TX- - TX- Continuity
(2) Check for a short between terminals at each condi-
TX- TX+ tion, as shown in the chart.
Standard:
6 Speaker, Radio Receiver Assy:
Tester connection Specified condition
TX+ - Body ground No Continuity
TX- - Body ground No Continuity
TX- TX+
Stereo Component Controller Assy:
TX- TX+ NG REPAIR OR REPLACE HARNESS OR
I35599 CONNECTOR (See page 01-37 )
OK
REPLACE STEREO COMPONENT CONTROLLER ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1409
05-1227
DIAGNOSTICS - AUDIO SYSTEM
6 SERVICE CHECK MODE(MULTI-DISPLA Y CONTROLLER SUB-ASSY)
(a) Perform the service check.
(1) Start the diagnosis system and read check result for multi-display controller sub-assy.
Standard:
A "NCON" is displayed or no display (RSE ECU)
B "GOOD" is displayed
B REPLACE RADIO RECEIVER ASSY
A
7 CHECK HARNESS AND CONNECTOR(RADIO RECEIVER ASSY - MULTI-DISPLA Y
CONTROLLER SUB-ASSY)
10 Speaker, Radio Receiver Assy: (a) Disconnect the connectors from the radio receiver assy
and multi-display controller sub-assy.
(1) Check continuity between terminals at each condi-
tion, as shown in the chart.
Standard:
Tester connection Specified condition
TX+ - TX3- Continuity
TX- - TX3- Continuity
(2) Check for a short between terminals at each condi-
TX- tion, as shown in the chart.
TX+
Standard:
6 Speaker, Radio Receiver Assy: Tester connection Specified condition
TX+ - Body ground No Continuity
TX- - Body ground No Continuity
TX- TX+
Multi-display Controller Sub-assy:
TX3+
TX3- I35600
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR (See page 01-37 )
OK
REPLACE MULTI-DISPLA Y CONTROLLER SUB-ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1410
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