Page 2329 of 4323
I28597
IF3
R±L+ R±R±
R±R+
R±L± W
(Shielded)Multi±display
Controller Sub±assy
R2326
R2325
R2324
R2323
R2327 W
W
W IF3
IF3
IF3
IF3
(Shielded) RSL+ RSR±
RSR+
RSL±R1915
R1916
R1917
R1918
R1914
SLD1
SG2 Radio Receiver Assy
W
G
B
R18
19
20
21
17
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2127
2321 Author: Date:
2005 SEQUOIA (RM1146U)
Sound signal circuit (From radio receiver assy to multi±display
sub±assy)
CIRCUIT DESCRIPTION
This is the sound signal circuit from the radio receiver assy to the multi±display controller sub±assy.
WIRING DIAGRAM
DIDBD±01
Page 2330 of 4323

I28618
Multi±display Controller Sub±assy:
R±L±
R±L+
R±R± R±R+
Radio Receiver Assy:
SG2
RSR+RSL+
RSR±
RSL±
SLD1
R19
R23
DI±2128
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2322 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check harness and connector (Radio receiver assy ± Multi±display controller
sub±assy).
PREPARATION:
Disconnect the R23 and R19 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
RSR+ (R19±15) ±
R±R+ (R23±26)AlwaysBelow 1 W
RSR± (R19±16) ±
R±R± (R23±25)AlwaysBelow 1 W
RSL+ (R19±17) ±
R±L+ (R23±24)AlwaysBelow 1 W
RSL± (R19±18) ±
R±L± (R23±23)AlwaysBelow 1 W
SLD1 (R19±14) ± SG2 (R23±27)AlwaysBelow 1 W
RSR+ (R19±15) ± Body groundAlways10 kW or higher
RSR± (R19±16) ± Body groundAlways10 kW or higher
RSL+ (R19±17) ± Body groundAlways10 kW or higher
RSL± (R19±18) ± Body groundAlways10 kW or higher
SLD1 (R19±14) ± 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 2331 of 4323
I28597
IF3
R±L+ R±R±
R±R+
R±L± W
(Shielded)Multi±display
Controller Sub±assy
R2326
R2325
R2324
R2323
R2327 W
W
W IF3
IF3
IF3
IF3
(Shielded) R±L+ R±R±
R±R+
R±L±R2715
R2716
R2717
R2718
R2714
RSLD
SG2 Radio and Navigation Assy
W
G
B
R18
19
20
21
17
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2129
2323 Author: Date:
2005 SEQUOIA (RM1146U)
Sound signal circuit (From radio and navigation assy to multi±
display sub±assy)
CIRCUIT DESCRIPTION
This is the sound signal circuit from the radio and navigation assy to the multi±display controller sub±assy.
WIRING DIAGRAM
DIDBE±01
Page 2332 of 4323

I28750
Radio and Navigation Assy:
R27
RSLD
R±R+
R±R± R±L+ R±L±
I28614
SG2R23
Multi±display Controller Sub±assy:
R±R+
R±R±R±L+R±L±
DI±2130
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2324 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check harness and connector (Radio and navigation assy ± Multi±display con-
troller sub±assy).
PREPARATION:
Disconnect the R23 and R27 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
R±R+ (R27±15) ± R±R+ (R23±26)AlwaysBelow 1 W
R±R± (R27±16) ± R±R± (R23±25)AlwaysBelow 1 W
R±L+ (R27±17) ± R±L+ (R23±24)AlwaysBelow 1 W
R±L± (R27±18) ± R±L± (R23±23)AlwaysBelow 1 W
RSLD (R27±14) ± SG2 (R23±27)AlwaysBelow 1 W
R±R+ (R27±15) ± Body groundAlways10 kW or higher
R±R± (R27±16) ± Body groundAlways10 kW or higher
R±L+ (R27±17) ± Body groundAlways10 kW or higher
R±L± (R27±18) ± Body groundAlways10 kW or higher
RSLD (R27±14) ± 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 2333 of 4323
I28666
Multi±display
Controller Sub±assy
R2112
R2111
R2110 BR
BR AUXR
AUXL
SG61
2
3
(Shielded) V10
VTR Terminal
AUXR
AUXL
SG7
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2131
2325 Author: Date:
2005 SEQUOIA (RM1146U)
Sound signal circuit (Multi±display controller sub±assy ± VTR ter-
minal)
CIRCUIT DESCRIPTION
This is the sound signal circuit from the VTR terminal to the multi±display controller sub±assy.
WIRING DIAGRAM
DIDBF±01
Page 2334 of 4323
I28321I28327
VTR Terminal:
Multi±display Controller Sub±assy:SG6
V10
R21
AUXL
AUXR
AUXR
AUXL
SG7
DI±2132
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2326 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check harness and connector (VTR terminal ± Multi±display controller sub±
assy).
PREPARATION:
Disconnect the R21 and V10 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
SG6 (V10±3) ± SG7 (R21±10)AlwaysBelow 1 W
AUXR (V10±1) ± AUXR (R21±12)AlwaysBelow 1 W
AUXL (V10±2) ± AUXL (R21±11)AlwaysBelow 1 W
AUXR (V10±1) ± Body groundAlways10 kW or higher
AUXL (V10±2) ± Body groundAlways10 kW or higher
SG6 (V10±3) ± 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 2335 of 4323
I28668
HP1R
HP1L
SG5 R219
R218
R217 BR
BR HPR
HPL
SGND1
2
3
(Shielded) H10
Headphone Terminal LHMulti±display
Controller Sub±assy
HP2R
HP2L
SG6 R2121
R2120
R2119 BR
BR HPR
HPL
SGND1
2
3
(Shielded) H11
Headphone Terminal RH
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
DI±2133
2327 Author: Date:
2005 SEQUOIA (RM1146U)
Sound signal circuit (Multi±display controller sub±assy ± Head-
phone terminal)
CIRCUIT DESCRIPTION
This is the sound signal circuit from the headphone terminal to the multi±display controller sub±assy.
WIRING DIAGRAM
DIDBG±01
Page 2336 of 4323

I28333
Headphone Terminal:
Multi±display Controller Sub±assy:
SG5HP1L
HP1R
SG6
HP2L HP2R R21
H10
H11
HPR
HPL
SGND
DI±2134
± DIAGNOSTICSREAR SEAT ENTERTAINMANT SYSTEM
2328 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check harness and connector (Headphone terminal ± Multi±display controller
sub±assy).
PREPARATION:
Disconnect the H10 (H11) and R21 connectors.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Symbol (Tester connection)ConditionSpecified condition
HPR (H10±1) ± HP1R (R21±9)AlwaysBelow 1 W
HPL (H10±2) ± HP1L (R21±8)AlwaysBelow 1 W
HPR (H11±1) ± HP2R (R21±21)AlwaysBelow 1 W
HPL (H11±2) ± HP2L (R21±20)AlwaysBelow 1 W
SGND (H10±3) ± SG5 (R21±7)AlwaysBelow 1 W
SGND (H11±3) ± SG6 (R21±19)AlwaysBelow 1 W
HPR (H10±1, H11±1) ± Body groundAlways10 kW or higher
HPL (H10±2, H11±2) ± Body groundAlways10 kW or higher
SGND (H10±3, H11±3) ± Body groundAlways10 kW or higher
SGND (H10±3) ± Body groundAlways10 kW or higher
SGND (H11±3) ± 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).