Page 2313 of 4323

I28614
+B1
ACCGNDR23
Multi±display Controller Sub±assy:
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2111
2305 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Inspect multi±display controller sub±assy (+B1, ACC, GND).
PREPARATION:
Disconnect the R23 connector.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
GND (R23±29) ± Body groundAlwaysBelow 1 W
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:
Symbol (Tester connection)ConditionSpecified condition
+B1 (R23±16) ± GND (R23±29)Always10 to 14 V
ACC (R23±32) ± GND (R23±29)Ignition SW ACC10 to 14 V
NG Repair or replace harness or connector.
OK
2 Check problem symptoms table.
CHECK:
Check the problem symptoms table.
RESULT:
All possible suspected areas have been inspectedGo to step A
Possible suspected areas still existGo to step B
B Proceed to next circuit inspection shown in
problem symptoms table or diagnostic trouble
code chart (See page DI±2087 or DI±2103).
A
Replace multi±display controller sub±assy.
Page 2314 of 4323
I28487
Multi±display
Controller Sub±assy D23
Disc Player Controller
ACC
GND12
11
15+BACC3
GND4 +BR22
R22
R22 LGLG
LG 19
20
16 DI±2112
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2306 Author: Date:
2005 SEQUOIA (RM1146U)
Power source circuit (Disc player controller)
CIRCUIT DESCRIPTION
This circuit provides power to the disc player controller. The power is sent from the battery to the disc player
controller through the multi±display controller sub±assy.
WIRING DIAGRAM
DIDB6±01
Page 2315 of 4323

I28664
+BACC
GND
Disc Player Controller:
D23
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2113
2307 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Inspect disc player controller (+B, ACC, GND).
PREPARATION:
Disconnect the D23 connector.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
GND (D23±16) ± Body groundAlwaysBelow 1 W
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:
Symbol (Tester connection)ConditionSpecified condition
+B (D23±20) ± GND (D23±16)Always10 to 14 V
ACC (D23±19) ± GND (D23±16)Ignition SW ACC10 to 14 V
NG Go to step 3.
OK
2 Check problem symptoms table.
CHECK:
Check the problem symptoms table.
RESULT:
All possible suspected areas have been inspectedGo to step A
Possible suspected areas still existGo to step B
B Proceed to next circuit inspection shown in
problem symptoms table or diagnostic trouble
code chart (See page DI±2087 or DI±2103).
A
Replace disc player controller.
Page 2316 of 4323
I28330
Disc Player Controller:
Multi±display Controller Sub±assy:
+BACC3 GND4D23
R22
+BACC
GND
DI±2114
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2308 Author: Date:
2005 SEQUOIA (RM1146U)
3 Check harness and connector (Multi±display controller sub±assy ± Disc player
controller).
PREPARATION:
Disconnect the R22 and D23 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
ACC (D23±19) ± ACC3 (R22±12)AlwaysBelow 1 W
+B (D23±20) ± +B (R22±11)AlwaysBelow 1 W
GND (D23±16) ± GND4 (R22±15)AlwaysBelow 1 W
ACC (D23±19) ± Body groundAlways10 kW or higher
+B (D23±20) ± Body groundAlways10 kW or higher
GND (D23±16) ± Body groundAlways10 kW or higher
NG Repair or replace harness or connector.
OK
Replace multi±display controller sub±assy.
Page 2317 of 4323
I28665
(Shielded)R2
G2
B2
VR2
VG2
(Shielded)R21 16
15
14
12
1124 1613
14
15
17
18 R21 R21 R21 IF4 ID2
R21 R
G
B
VR
VGB
B
B
B B
B
B
B15
IF4
14
IF4
12
IF4
11
IF4 23
ID2
22
ID2
20
ID2
19
ID2
(Shielded)B
B
B
B R25
Television Display AssyMulti±display Controller Sub±assy
1321 1316
IF4 ID2
R21 SYNC
B B BSYN2
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2115
2309 Author: Date:
2005 SEQUOIA (RM1146U)
Display signal circuit (Multi±display controller sub±assy ± Televi-
sion display assy)
CIRCUIT DESCRIPTION
This is the display signal circuit from the multi±display controller sub±assy to the television display assy.
WIRING DIAGRAM
DIDB7±01
Page 2318 of 4323

I28616
Television Display Assy:
Multi±display Controller Sub±assy:VG
VR
SYNC
VG2 VR2
SYN2
R25
R21
R
G
B
R2
G2
B2
DI±2116
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2310 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Display check mode (Color bar check).
CHECK:
Enter display check mode (See page DI±2085).
Start the diagnosis system and perform the display color bar check in display check mode.
OK:
The check result is normal.
OK Adjust display color.
NG
2 Check harness and connector (Multi±display controller sub±assy ± Television
display assy).
PREPARATION:
Disconnect the R21 and R25 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
VG (R25±11) ± VG2 (R21±18)AlwaysBelow 1 W
VR (R25±12) ± VR2 (R21±17)AlwaysBelow 1 W
SYNC (R25±13) ± SYN2 (R21±16)AlwaysBelow 1 W
B (R25±14) ± B2 (R21±15)AlwaysBelow 1 W
G (R25±15) ± G2 (R21±14)AlwaysBelow 1 W
R (R25±16) ± R2 (R21±13)AlwaysBelow 1 W
VG (R25±11)± Body groundAlways10 kW or higher
VR (R25±12) ± Body groundAlways10 kW or higher
SYNC (R25±13) ± Body groundAlways10 kW or higher
B (R25±14) ± Body groundAlways10 kW or higher
G (R25±15) ± Body groundAlways10 kW or higher
R (R25±16) ± Body groundAlways10 kW or higher
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown in problem symptoms table (See page DI±2087).
Page 2319 of 4323
I28666
Multi±display
Controller Sub±assy
NTS2
SGN2
SG9 R228
R229
R2210 BR
BR NTSC
S.GND
SLD3
2
1
(Shielded) D23
Disc Player Controller
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2117
2311 Author: Date:
2005 SEQUOIA (RM1146U)
Display signal circuit (Multi±display controller sub±assy ± Disc
player controller)
CIRCUIT DESCRIPTION
This is the display signal circuit from the disc player controller to the multi±display controller sub±assy.
WIRING DIAGRAM
DIDB8±01
Page 2320 of 4323
I28326
Disc Player Controller:
Multi±display Controller Sub±assy:SLD S.GND
NTSC
NTS2
SGN2 SG9
D23
R22
DI±2118
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2312 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check harness and connector (Multi±display controller sub±assy ± Disc player
controller).
PREPARATION:
Disconnect the R22 and D23 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
NTSC (D23±3) ± NTS2 (R22±8)AlwaysBelow 1 W
S.GND (D23±2)± SGN2 (R22±9)AlwaysBelow 1 W
SLD (D23±1)± SG9 (R22±10)AlwaysBelow 1 W
NTSC (D23±3) ± Body groundAlways10 kW or higher
S.GND (D23±2) ± Body groundAlways10 kW or higher
SLD (D23±1) ± Body groundAlways10 kW or higher
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown in problem symptoms table (See page DI±2087).