Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21pl9 cinav
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05-1397
DIAGNOSTICS - NAVIGATION SYSTEM 05NRN-01
DISPLAY SIGNAL CIRCUIT (FROM MULTI-DISPLA Y CONTROLLER
SUB-ASSY)
CIRCUIT DESCRIPTION
This is the display signal circuit from the multi-display controller sub-assy to the radio and navigation assy.
WIRING DIAGRAM
Multi-display Radio and
Controller Sub-assy Navigation Assy
21 3 1
W Y
NTS1 R26 IH3 R16 NTSC
20 4 4
GR BR
SG3 R26 IH3 R16 SGD1
19 5 5
SGN1 R26 IH3 R16 SGND
(Shielded) (Shielded)
I45234
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1580
05-1398
DIAGNOSTICS - NAVIGATION SYSTEM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(MULTI-DISPLA Y CONTROLLER SUB-
ASSY - RADIO AND NAVIGATION ASSY)
Radio and Navigation Assy (a) Disconnect the radio and navigation assy connector R16
Wire Harness View: and multi-display controller sub-assy connector R26.
(b) Measure the resistance according to the value(s) in the
table below.
Standard:
NTSC Tester connection Condition Specified condition
SGND - SGN1 Always Below 1
NTSC - NTS1 Always Below 1
R16 SGD1
SGND I45969 SGD1 - SG3 Always Below 1
NTSC - Body ground Always 10 k or higher
SGD1 - Body ground Always 10 k or higher
Multi-display Controller Sub-Assy
SGND - Body ground Always 10 k or higher
Wire Harness View:
R26
SGN1
NG REPAIR OR REPLACE HARNESS OR
NTS1 SG3 I35963 CONNECTOR
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1581
05-1399
DIAGNOSTICS - NAVIGATION SYSTEM
2 INSPECT MULTI-DISPLA Y CONTROLLER SUB-ASSY (OUTPUT SIGNAL)
Radio and Navigation Assy (a) Reconnect the multi-display controller sub-assy connec-
Wire Harness View: tor R26.
(b) Measure the waveform according to the table below.
Standard:
Tester connection Condition Specified condition
NTSC A waveform synchronized
NTSC - Body ground DVD display is ON with display signals is out-
put
R16 NG REPLACE MULTI-DISPLA Y CONTROLLER
I45969
SUB-ASSY (SEE PAGE 67-26 )
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1286 )
HINT:
The waveform pattern may differ from that shown in the illustration below due to differences in oscilloscope
setting. A normal multi-display controller sub-assy operating condition can be determined if any waveform
is output.
Oscilloscope wave
Terminal: NTSC-Body ground
Setting: 500 mV/DIV 10◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo