2001 TOYOTA SEQUOIA Service Repair Manual

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Page 2177 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1975
2169 Author: Date:
2005 SEQUOIA (RM1146U)
(d) Service Check Mode Result Display (for checking the current and the past system conditions).
(1) Press the ºSEEK

Page 2178 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1976
± DIAGNOSTICSAUDIO SYSTEM
2170 Author: Date:
2005 SEQUOIA (RM1146U)
(2) Check Result Display.
DisplayOriginal LanguageMeaningAction to be taken
goodGood (normal)No DTCs are detected in b

Page 2179 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual I28310
Service Check Mode
Detailed Information ModeDISC/CH/PROG DOWN
Detailed information
of the first code
is displayed
Detailed information
of the second code
is displayed
Continue to display detail

Page 2180 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1978
± DIAGNOSTICSAUDIO SYSTEM
2172 Author: Date:
2005 SEQUOIA (RM1146U)
(3) Displayed Items in Detailed Information Mode
Division Code for
DTC displayMeaning
The order of detailed informatio

Page 2181 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DID9T±01
± DIAGNOSTICSAUDIO SYSTEM
DI±1979
2173 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSTIC TROUBLE CODE CHART
TermsMeaning
Physical addressThree±digit code (shown in hexadecimal) which is

DID9T±01
± DIAGNOSTICSAUDIO SYSTEM
DI±1979
2173 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSTIC TROUBLE CODE CHART
TermsMeaning
Physical addressThree±digit code (shown in hexadecimal) which is given to each component com-
prising the AVC±LAN.
Corresponding to the function, individual symbols are specified.
Logical addressTwo±digit code (shown in hexadecimal) which is given to each function comprising
the inner system of the AVC±LAN.
HINT:
Titles for each unit are stated in the following order: parts name (physical address) and [Name indicated on
the DTC display]
1. Radio receiver assy (physical address: 190) [AUDIO H/U]
(a) Logical address: 01 (Communication control)
DTCNameDiagnosisVerificationSee page
D6
*1Absence of Master
Component in which this code is recorded was
disconnected from system or master component
with ignition switch in ACC or ON.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±
D8
*2
*5No Response to Connection
CheckComponent shown by sub code is or was discon-
nected from system after engine start.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±

Page 2182 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1980
± DIAGNOSTICSAUDIO SYSTEM
2174 Author: Date:
2005 SEQUOIA (RM1146U)D9
*1
Last Mode Error
Audio or visual component operated before en-
gine stop is or was disconnected with ignition
swit

Page 2183 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1981
2175 Author: Date:
2005 SEQUOIA (RM1146U)DB
*1
Mode Status ErrorDual alarm is detected.
1. Power source circuit (Stereo
component amplifier assy).
2. Power sour

± DIAGNOSTICSAUDIO SYSTEM
DI±1981
2175 Author: Date:
2005 SEQUOIA (RM1146U)DB
*1
Mode Status ErrorDual alarm is detected.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±
DC
*3Transmission Error
Transmission to component shown by auxiliary
code has been failed.
(Detecting this DTC does not necessarily mean
actual failure.)
1. Power source circuit (Rear seat
audio controller). *6
2. Power source circuit (Multi±dis-
play controller sub±assy) *7
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
6. Replace stereo component am-
plifier assy.
7. Replace rear seat audio control-
ler. *6
8. Replace multi±display controller
sub±assy. *7DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±
DD
*4Master Reset (Momentary Inter-
ruption)After the engine was started, master component
was disconnected from system.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±

Page 2184 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1982
± DIAGNOSTICSAUDIO SYSTEM
2176 Author: Date:
2005 SEQUOIA (RM1146U)DE
*4
Slave Reset (Momentary Inter-
ruption)After the engine was started, component shown
by sub code was disconnected

DI±1982
± DIAGNOSTICSAUDIO SYSTEM
2176 Author: Date:
2005 SEQUOIA (RM1146U)DE
*4
Slave Reset (Momentary Inter-
ruption)After the engine was started, component shown
by sub code was disconnected from system.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±
DF
*4Master Error
Due to defective cognition of component with a
display, master function is switched to audio
equipment.
1. Power source circuit (Stereo
component amplifier assy).
2. Power source circuit (Rear seat
audio controller). *6
3. Power source circuit (Multi±dis-
play controller sub±assy) *7
4. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
5. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *6
6. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *7
7. Replace stereo component am-
plifier assy.
8. Replace rear seat audio control-
ler. *6
9. Replace multi±display controller
sub±assy. *7DI±1993
DI±2058
DI±2110
DI±2023
DI±2061
DI±2139
±
±
±
HINT:
*1: This code may be recorded depending on the battery condition or engine start voltage even if no
failure is detected.
*2: If the power connector is disconnected after the engine starts, this code is recorded after 180 se-
conds.
*3: This code may be stored if the ignition key is turned to the START position again with the engine
running.
*4: This code may be stored if the ignition key is held in the START position for 1 minute or more before
returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit and AVC±
LAN circuit for the device.
*6: w/ Rear seat audio system only.
*7: w/ Rear seat entertainment system only.

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