Page 1977 of 2572

I40833
Multi-display Controller Sub-assy:
R30
Video (Video Adapter) Terminal:
SGNDAUXL
AUXR
AUXR
AUXL
SG7
V13
I37215
AUXR AUXL
Video (Video Adapter) Terminal:
V13
05-1728
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
1918 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(MULTI-DISPLA Y CONTROLLER
SUB-ASSY - VIDEO(VIDEO ADAPTER)TERMINAL)
(a) Disconnect the connector from the video (video adapter)
terminal and multi-display controller sub-assy.
(b) Measure the resistance according to the values in the
table below.
Standard:
Tester connectionConditionSpecified condition
SGND - SG7AlwaysBelow 1 W
AUXR - AUXRAlwaysBelow 1 W
AUXL - AUXLAlwaysBelow 1 W
AUXR - Body groundAlways10 kW or higher
AUXL - Body groundAlways10 kW or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
2 INSPECT VIDEO(VIDEO ADAPTER) TERMINAL
(a) Connect the connector.
(b) Using an oscilloscope, check the signal waveform be-
tween the terminals according to the conditions, as
shown in the chart.
HINT:
External device system is playing (When the video (video
adapter) terminal is used).
Standard:
Tester connectionConditionSpecified condition
AUXR - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
AUXL - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
NG REPLACE VIDEO(VIDEO ADAPTER) TERMINAL
(See page 67-27)
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(See page 05-1704)
Page 1978 of 2572
I34953
(Shielded)Multi-display
Controller
Sub-assy
(Shielded) (Shielded) (Shielded)
GND1
HP2L
HP2R
GND
HP1R
HP1LSG5 SG6 R3019
20
21
7
9
8 BR
Y
R
G L
P 25
24
23
9
7
8 R28
Television Display Assy
BR
YHP2L
HP2R
HP1R
HP1L BK1
8 7 9 23 24 25
BK1
BK1
BK1
BK1
BK1R30
R30
R30
R30
R30
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
05-1729
1919 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
SOUND SIGNAL CIRCUIT (TO TELEVISION DISPLAY ASSY
(HEADPHONE))
CIRCUIT DESCRIPTION
This is the sound signal circuit from the multi-display controller sub-assy to the television display assy.
WIRING DIAGRAM
05CF6-03
Page 1979 of 2572
I37216
Multi-display Controller Sub-assy:
R30
Television Display Assy:
HP1L
GND
HP2L GND1
HP2RHP1R
HP2L HP1R
HP2R
HP1L
SG5
SG6 R28
05-1730
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
1920 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(TELEVISION DISPLAY ASSY -
MULTI-DISPLA Y CONTROLLER SUB-ASSY)
(a) Disconnect the connector from television display assy
and multi-display controller sub-assy.
(b) Measure the resistance according to the values in the
table below.
Standard:
Tester connectionConditionSpecified condition
GND1 - SG6AlwaysBelow 1 W
HP2L - HP2LAlwaysBelow 1 W
HP2R - HP2RAlwaysBelow 1 W
GND - SG5AlwaysBelow 1 W
HP1R - HP1RAlwaysBelow 1 W
HP1L - HP1LAlwaysBelow 1 W
HP2L - Body groundAlways10 kW or higher
HP2R - Body groundAlways10 kW or higher
HP1R - Body groundAlways10 kW or higher
HP1L - Body groundAlways10 kW or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
Page 1980 of 2572

I35265
SG6SG5 HP1L
HP1R
HP2L HP2R
R30
Multi-display Controller Sub-assy:
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
05-1731
1921 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
2 INSPECT MULTI-DISPLA Y CONTROLLER SUB-ASSY
(a) Connect the connector.
(b) Using an oscilloscope, check the signal waveform be-
tween the terminals according to the conditions, as
shown in the chart.
Standard:
Tester connectionConditionSpecified condition
HP2L - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HP2R - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HP1R - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HP1L - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
NG REPLACE MULTI-DISPLA Y CONTROLLER
SUB-ASSY (See page 67-23)
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(See page 05-1704)
Page 1981 of 2572
I34954
Multi-display
Controller
Sub-assy
(Shielded)
R31 R28
Television Display Assy
BK1(Shielded)
SLD
HPL-
HPL+
HPR-
HPR+30
29
28
27
26P
LG
SB
BR BR W G20
16
17
18
19 26 27 28 29 30
SLD1
HPL-
HPL+
HPR-
HPR+ BK1
BK1
BK1 BK1
R31
R31
R31
R31 05-1732
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
1922 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
SOUND SIGNAL CIRCUIT (TO TELEVISION DISPLAY ASSY
(WIRELESS HEADPHONE))
CIRCUIT DESCRIPTION
This is the sound signal circuit from the television display assy to the multi-display controller sub-assy.
WIRING DIAGRAM
05CF7-03
Page 1982 of 2572
I37217
Multi-display Controller Sub-assy:
R28
Television Display Assy:
HPL+
SLD1
HRL+HPR-HPL-
HRL+ HPL-
HPR-
HPL+
R31
SLD
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
05-1733
1923 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(MULTI-DISPLA Y CONTROLLER
SUB-ASSY - TELEVISION DISPLAY ASSY)
(a) Disconnect the connector from the multi-display control-
ler sub-assy and television display assy.
(b) Measure the resistance according to the values in the
table below.
Standard:
Tester connectionConditionSpecified condition
SLD - SLD1AlwaysBelow 1 W
HPL- - HPL-AlwaysBelow 1 W
HPL+ - HPL+AlwaysBelow 1 W
HPR- - HPR-AlwaysBelow 1 W
HPR+ - HPR+AlwaysBelow 1 W
HPL- - Body groundAlways10 kW or higher
HPL+ - Body groundAlways10 kW or higher
HPR- - Body groundAlways10 kW or higher
HPR+ - Body groundAlways10 kW or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
Page 1983 of 2572
I35265
HPR-HPL-
SLD1
HPL+ HPR+
Multi-display Controller Sub-assy:
R31
05-1734
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
1924 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
2 INSPECT MULTI-DISPLA Y CONTROLLER SUB-ASSY
(a) Connect the connector.
(b) Using an oscilloscope, check the signal waveform be-
tween the terminals according to the conditions, as
shown in the chart.
Standard:
Tester connectionConditionSpecified condition
HPL- - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HPL+ - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HPR- - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
HPR+ - Body groundWhile voice sound is being producedA waveform synchronized with sound is output
NG REPLACE MULTI-DISPLA Y CONTROLLER
SUB-ASSY (See page 67-23)
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(See page 05-1704)
Page 1984 of 2572
I34955
(Shielded)Multi-display
Controller
Sub-assy
(Shielded) R28
Television Display Assy
BK1
SG4
AL-
AR-
AL+
AR+ 10
14
12
13
11G
W
R
BG
W
R
B 10
14
12
13
116
R31
2
4
3
5 SGND
AL-
AR-
AL+
AR+BK1
BK1
BK1
BK1R31
R31
R31
R31
- DIAGNOSTICSREAR SEAT ENTERTAINMENT SYSTEM
05-1735
1925 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
SOUND SIGNAL CIRCUIT (FROM TELEVISION DISPLAY ASSY)
CIRCUIT DESCRIPTION
This is the sound signal circuit from the television display assy to the multi-display controller sub-assy.
WIRING DIAGRAM
05CF8-02