Toyota Sequoia (2005). Manual — part 579
I28614
+B1
ACC
GND
R23
Multi–display Controller Sub–assy:
–
DIAGNOSTICS
REAR SEAT ENTERTAINMANT SYSTEM
DI–2111
2305
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)
Condition
Specified condition
GND (R23–29) – Body ground
Always
Below 1
Ω
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:
Symbol (Tester connection)
Condition
Specified condition
+B1 (R23–16) – GND (R23–29)
Always
10 to 14 V
ACC (R23–32) – GND (R23–29)
Ignition SW ACC
10 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 inspected
Go to step A
Possible suspected areas still exist
Go to step B
B
Proceed to next circuit inspection shown in
problem symptoms table or diagnostic trouble
code chart (See page
A
Replace multi–display controller sub–assy.
I28487
Multi–display
Controller Sub–assy
D23
Disc Player Controller
ACC
GND
12
11
15
+B
ACC3
GND4
+B
R22
R22
R22
LG
LG
LG
19
20
16
DI–2112
–
DIAGNOSTICS
REAR SEAT ENTERTAINMANT SYSTEM
2306
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
I28664
+B
ACC
GND
Disc Player Controller:
D23
–
DIAGNOSTICS
REAR SEAT ENTERTAINMANT SYSTEM
DI–2113
2307
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)
Condition
Specified condition
GND (D23–16) – Body ground
Always
Below 1
Ω
CHECK:
Measure the voltage according to the value(s) in the table be-
low.
OK:
Symbol (Tester connection)
Condition
Specified condition
+B (D23–20) – GND (D23–16)
Always
10 to 14 V
ACC (D23–19) – GND (D23–16)
Ignition SW ACC
10 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 inspected
Go to step A
Possible suspected areas still exist
Go to step B
B
Proceed to next circuit inspection shown in
problem symptoms table or diagnostic trouble
code chart (See page
A
Replace disc player controller.
I28330
Disc Player Controller:
Multi–display Controller Sub–assy:
+B
ACC3
GND4
D23
R22
+B
ACC
GND
DI–2114
–
DIAGNOSTICS
REAR SEAT ENTERTAINMANT SYSTEM
2308
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)
Condition
Specified condition
ACC (D23–19) – ACC3 (R22–12)
Always
Below 1
Ω
+B (D23–20) – +B (R22–11)
Always
Below 1
Ω
GND (D23–16) – GND4 (R22–15)
Always
Below 1
Ω
ACC (D23–19) – Body ground
Always
10 k
Ω
or higher
+B (D23–20) – Body ground
Always
10 k
Ω
or higher
GND (D23–16) – Body ground
Always
10 k
Ω
or higher
NG
Repair or replace harness or connector.
OK
Replace multi–display controller sub–assy.
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