Toyota Sequoia (2005). Manual — part 565
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DIAGNOSTICS
REAR SEAT AUDIO SYSTEM
DI–2055
2249
OLD
Old version
Old DTC application is identified and DTC is detected in ei-
ther ”System Check Mode” or ”Diagnosis Memory Mode”.
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NRES
No response
The device gives no response to any one of ”System Check
Mode ON Request”, ”System Check Result Request” and
”Diagnosis Memory Request”.
Check the power source cir-
cuit and the communication
circuit of the device indi-
cated by the device code
(physical code).
(3)
To perform the Service Check again, press the pre-
set switch ”1”.
(f)
detailed information Mode (when displaying the troubled
device’s DTC)
(1)
With ”CHEC” or ”ECHN” displayed, press the preset
switch ”2” to go to the detailed information mode.
(2)
Press the ”TUNE/TRACK” switch to display ”Sys-
tem Check Result (SYS)” and ”Diagnosis Memory
Response (CODE)”.
I28310
Service Check Mode
Detailed Information Mode
DISC/CH/PROG DOWN
Detailed information
of the first code
is displayed
Detailed information
of the second code
is displayed
Continue to display detailed information
when more than one DTC is detected.
The illustration shows the case that the component with code 190 has DTC ”47” and ”dC” as a result of the
system check and the diagnosis memory response.
The detailed information mode shows the system check result first, then the diagnosis memory response result.
(*1): As for DTC that does not have any sub code, sub code is not displayed.
P–––indicates physical address
190–––physical address
SYS–––system check result
P–––indicates physical address
360–––sub code
6F–––connection
check number
1–––the first code
62–––logical address
DC–––DTC
CODE–––diagnosis memory
response result
2–––the second code
01–––logical address
05–––the number of times of
occurrence
(in decimal)
47–––DTC
Continue to display detailed information
when more than one DTC is detected.
To
(*1)
: TUNE/TRACK UP
: TUNE/TRACK DOWN
DISC/CH/PROG UP
From
DI–2056
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DIAGNOSTICS
REAR SEAT AUDIO SYSTEM
2250
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DIAGNOSTICS
REAR SEAT AUDIO SYSTEM
DI–2057
2251
(3)
Displayed Items in Detailed Information Mode
Division Code for
DTC display
Meaning
Order of detaileded information displayed when the ”TUNE
UP” switch is pressed. (The order is reversed when the
”TUNE DOWN” switch is pressed.)
SYS
System check result is displayed.
Logical address
→
DTC
CODE
Diagnosis memory check result is displayed.
Logical address
→
DTC
→
Sub code
→
Connection confirmation number
→
The number of times of occurrence
(4)
Check the trouble area referring to the DTC list.
(5)
To return to the service check mode, press the pre-
set switch ”3”.
(g)
Clearing Individual DTC Memory (See page
(h)
Clearance of All DTC Memory (See page
,
DIDAM–01
I28496
B–O
24
R24
Rear Seat Audio
Controller Assy
ACC
+B
17 GND
12
28
C
4
3
A36
ACC Cut
Relay
B
12
1
Sub J/B No.3
3A
ID2
W–R
J/C
L–Y
1
2
IA1
26
L–R
L–R
2B
3
2C
8
2D
Engine Room J/B
ECU–B
Short Pin
1
Instrument Panel J/B
W–R
AM1
1
3
2
RAD No.2
W
1
P
6
ALT
1
B
Battery
LG
To ECM
GR
RSE
2
2
1
Engine Room R/B No.2
J37
ID2
21
IM
LG
3A
LG
12
ID2
J38
L–R
2
12
W–L
RAD No.1
W–R
W–L
1
2
B
3
AM1
B
ACC
I18
Ignition SW
1C
1C
1E
1F
1J
1L
GR
P
W–R
GR
W–B
5
8
4
F10
Fusible Link Block
DI–2058
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DIAGNOSTICS
REAR SEAT AUDIO SYSTEM
2252
CIRCUIT INSPECTION
Power source circuit (Rear seat audio controller)
CIRCUIT DESCRIPTION
This circuit provides the power to the rear seat audio controller.
WIRING DIAGRAM
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