2001 TOYOTA SEQUOIA Service Repair Manual

oil temperature oil reset jump cable door lock airbag disable change time

Page 2185 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1983
2177 Author: Date:
2005 SEQUOIA (RM1146U)
Logical address: 01 (Communication control) continued
DTCNameDiagnosisVerificationSee page
E0
*1Registration Completio

± DIAGNOSTICSAUDIO SYSTEM
DI±1983
2177 Author: Date:
2005 SEQUOIA (RM1146U)
Logical address: 01 (Communication control) continued
DTCNameDiagnosisVerificationSee page
E0
*1Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be received.Since this DTC is provided for engi-
neering purposes, it may be de-
tected when no actual failure exists.
±
E2ON/OFF Instruction Parameter
ErrorError occurs in ON/OFF controlling command
from master component.Replace radio receiver assy.±
E3
*1Registration Request Transmis-
sion
Registration Request command is output from
component shown by sub code.
Receiving Connection Check Instruction, Regis-
tration Request command is output from sub±
master component.
Since this DTC is provided for engi-
neering purposes, it may be de-
tected when no actual failure exists.
±
E4
*1Multiple Frame AbortMultiple frame transmission is aborted.
Since this DTC is provided for engi-
neering purposes, it may be de-
tected when no actual failure exists.
±
HINT:
*1: This code may be recorded depending on the battery condition or engine start voltage even if no
failure is detected.
(b) Logical address: 61 (Cassette switch)
DTCNameDiagnosisVerificationSee page
40Mechanical Error of MediaMalfunction due to mechanical failure is identified.
Either that, or cassette tape is cut or entangled.1. Inspect cassette tape.
2. Replace radio receiver assy.±
±
(c) Logical address: 62 (CD player)
DTCNameDiagnosisVerificationSee page
42No Disc ReadoutDisc cannot be read.1. Inspect CD.
2. Replace radio receiver assy.±
±
44CD player ErrorError is detected in CD player.Replace radio receiver assy.±
47Detection of high temperatureHigh temperature is detected in CD player.
With ignition switch off, leave ve-
hicle in cool shaded place for a
while and recheck. After deleting
the DTC memory, if same code de-
tected, replace radio receiver assy.
±
48Detection of excess currentOver current is present in CD player.Replace radio receiver assy.±
(d) Logical address: 63 (In±dash CD changer)
DTCNameDiagnosisVerificationSee page
42No Disc ReadoutDisc cannot be read.1. Inspect CD.
2. Replace radio receiver assy.±
±
44CD player ErrorError is detected in CDDH.Replace radio receiver assy.±
47Detection of high temperatureHigh temperature is detected in CDCH.
With ignition switch off, leave ve-
hicle in cool shaded place for a
while and recheck. After deleting
the DTC memory, if same code de-
tected, replace radio receiver assy.
±
48Detection of excess currentOver current is present in CDCH.Replace radio receiver assy.±

Page 2186 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1984
± DIAGNOSTICSAUDIO SYSTEM
2178 Author: Date:
2005 SEQUOIA (RM1146U)
2. Stereo component amplifier assy (physical address: 440) [DSP±AMP]
Logical address: 01 (Communication control)
DTCN

DI±1984
± DIAGNOSTICSAUDIO SYSTEM
2178 Author: Date:
2005 SEQUOIA (RM1146U)
2. Stereo component amplifier assy (physical address: 440) [DSP±AMP]
Logical address: 01 (Communication control)
DTCNameDiagnosisVerificationSee page
D6
*1Absence of Master
Component in which this code is recorded was
disconnected from system with ignition in ACC or
ON. Either that, or radio receiver assy was dis-
connected when this code was recorded.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Stereo
component amplifier assy).
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *5
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *6
6. Replace radio receiver assy.
7. Replace stereo component am-
plifier assy.DI±1990
DI±1993
DI±2023
DI±2061
DI±2139
±
±
D7Communication Check Error
Component in which this code is recorded is or
was disconnected from system after engine start.
Either that, or radio receiver assy was discon-
nected when this code was recorded.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Stereo
component amplifier assy).
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *5
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *6
6. Replace radio receiver assy.
7. Replace stereo component am-
plifier assy.DI±1990
DI±1993
DI±2023
DI±2061
DI±2139
±
±
DC
*2Transmission Error
Transmission to component shown by auxiliary
code failed.
(Detecting this DTC does not necessarily mean
actual failure.)If same auxiliary code is recorded in
other components, check harness
for power supply and communica-
tion system of all components
shown by code.
±
DD
*3Master Reset (Momentary Inter-
ruption)After engine was started, radio receiver assy was
disconnected from system.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Stereo
component amplifier assy).
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *5
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *6
6. Replace radio receiver assy.
7. Replace stereo component am-
plifier assy.DI±1990
DI±1993
DI±2023
DI±2061
DI±2139
±
±

Page 2187 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1985
2179 Author: Date:
2005 SEQUOIA (RM1146U)
Logical address: 01 (Communication control) continued
DTCNameDiagnosisVerificationSee page
DF
*4Master Error
Due to de

± DIAGNOSTICSAUDIO SYSTEM
DI±1985
2179 Author: Date:
2005 SEQUOIA (RM1146U)
Logical address: 01 (Communication control) continued
DTCNameDiagnosisVerificationSee page
DF
*4Master Error
Due to defective condition of component with a
display, master function is switched to audio
equipment.
Error occurs in communication between sub±
master (audio) and master component.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Stereo
component amplifier assy).
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *5
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *6
6. Replace radio receiver assy.
7. Replace stereo component am-
plifier assy.DI±1990
DI±1993
DI±2023
DI±2061
DI±2139
±
±
E0
*1Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be received.Since this DTC is provided for engi-
neering purposes, it may be de-
tected when no actual failure exists.
±
E1
*1Audio processor ON errorWhile source equipment is operating, AMP output
stops.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Stereo
component amplifier assy).
3. AVC±LAN circuit (Radio receiver
assy ± Stereo component ampli-
fier assy).
4. AVC±LAN (Radio receiver assy
± Rear seat audio controller). *5
5. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy). *6
6. Replace radio receiver assy.
7. Replace stereo component am-
plifier assy.DI±1990
DI±1993
DI±2023
DI±2061
DI±2139
±
±
E2ON/OFF Instruction Parameter
ErrorError occurs in ON/OFF controlling command
from radio receiver assy.Replace radio receiver assy.±
E3
*1Registration Request Transmis-
sionRegistration Request command is output from
slave component.Since this DTC is provided for engi-
neering purposes, it may be de-
tected when no actual failure exists.
±
HINT:
*1: This code may be recorded depending on the battery condition or engine start voltage even if no
failure is detected.
*2: This code may be stored if the ignition key is turned to the START position again with the engine
running.
*3: This code may be stored if the ignition key is held in the START position for one minute or more
before returning to the ON position.
*4: If the device is reported as not existing during verification, check the power source circuit and AVC±
LAN circuit for the device.
*5: w/ Rear seat audio system only.
*6: w/ Rear seat entertainment system only.

Page 2188 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1986
± DIAGNOSTICSAUDIO SYSTEM
2180 Author: Date:
2005 SEQUOIA (RM1146U)
3. Multi±display controller sub±assy (Physical address: 1F6) [RSE ECU, MAIN]
(a) Logical address: 01 (Communication

DI±1986
± DIAGNOSTICSAUDIO SYSTEM
2180 Author: Date:
2005 SEQUOIA (RM1146U)
3. Multi±display controller sub±assy (Physical address: 1F6) [RSE ECU, MAIN]
(a) Logical address: 01 (Communication control)
DTCNameDiagnosisVerificationSee page
21ROM ErrorAbnormal condition of ROM is detected.Replace multi±display controller
sub±assy.±
22ROM ErrorAbnormal condition of RAM is detected.Replace multi±display controller
sub±assy.±
D1
*1
Registered component discon-
nected
AVC±LAN transmitting abnor-
malitiesComponent shown by sub±code is or was discon-
nected from system with ignition switch in ACC or
ON.
Communication with component shown by sub±
code is not ensured when engine is started.
1. Power source circuit (Multi±dis-
play controller sub±assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±2110
DI±2139
±
D7
*2No response to connection
checkComponent shown by sub±code is or was discon-
nected from system after engine started.
1. Power source circuit (Multi±dis-
play controller sub±assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±2110
DI±2139
±
D7
*2AVC±LAN Communication
Check Error
Component in which this code is recorded is or
was disconnected from system after engine start.
Or, when recording this code, multi±display con-
troller was disconnected.
1. Power source circuit (Radio re-
ceiver assy).
2. Power source circuit (Multi±dis-
play controller sub±assy).
3. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
4. Replace Multi±display controller
sub±assy.DI±1990
DI±2110
DI±2139
±
D6
*1Absence of Master
Component in which this code is recorded has
been disconnected from system with ignition in
ACC or ON. Or, when this code was recorded,
multi±display controller was disconnected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±1990
DI±2139
±
D7
*2Connection Check Error
Component in which this code is recorded has
been disconnected from system after engine start.
Or, when this code was recorded, multi±display
controller was disconnected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±1990
DI±2139
±
DC
*3Transmission Error
Transmission to component shown by sub±code
has been failed.
(This code does not necessarily mean actual fail-
ure.)If same sub±code is recorded in
other component(s), check harness
for power supply and communica-
tion system of all components
shown by code.
±
DD
*4Master Reset (Momentary Inter-
ruption)Component that is to be master has been discon-
nected after engine start.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±1990
DI±2139
±

Page 2189 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1987
2181 Author: Date:
2005 SEQUOIA (RM1146U)E0
*1
Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be re

± DIAGNOSTICSAUDIO SYSTEM
DI±1987
2181 Author: Date:
2005 SEQUOIA (RM1146U)E0
*1
Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be received.Since this DTC is provided for engi-
neering, it may be detected when no
actual failure exists.
±
E3
*1Registration Request Transmis-
sion
Registration Request command is output from
slave component.
Registration Request command is output from
sub±master component.Since this DTC is provided for engi-
neering, it may be detected when no
actual failure exists.
±
DF
*4Master Error
Due to defective condition of component with a
display, master function is switched to audio
equipment.
Error occurs in communication between sub±
master (audio) and master component.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Multi±display controller sub±
assy).
3. Replace Multi±display controller
sub±assy.DI±1990
DI±2139
±
E4
*1Multiple Frame AbortMultiple frame transmission is aborted.
Since this DTC is provided for engi-
neering purpose, it may be detected
when no actual failure exists.
±
HINT:
*1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage
for starting an engine.
*2: This code is stored when 180 sec. has passed after the power supply connector is pulled out after
engine start.
*3: This code may be stored when the engine key is turned back to the ON position and then turned
again to the START position in 1 minute after engine start.
*4: This code may be stored when the engine key is turned back to the ON position and then turned
again to the START position after engine start.
Rear seat audio controller (Physical address: 1F4) [RSA]
(a) Logical address: 01 (Communication control)
DTCNameDiagnosisVerificationSee page
D6
*1Absence of Master
Component in which this code is recorded has
been disconnected from system with ignition in
ACC or ON. Or, when this code was recorded,
RSA panel was disconnected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
D7
*2Connection Check Error
Component in which this code is recorded has
been disconnected from system after engine start.
Or, when this code was recorded, RSA panel was
disconnected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
DC
*3Transmission Error
Transmission to component shown by sub±code
has been failed.
(This code does not necessarily mean actual fail-
ure.)If same sub±code is recorded in
other component(s), check harness
for power supply and communica-
tion system of all components
shown by code.
±
DD
*4Master Reset (Momentary Inter-
ruption)Component that is to be master has been discon-
nected after engine start.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±

Page 2190 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±1988
± DIAGNOSTICSAUDIO SYSTEM
2182 Author: Date:
2005 SEQUOIA (RM1146U)E0
*1
Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be re

DI±1988
± DIAGNOSTICSAUDIO SYSTEM
2182 Author: Date:
2005 SEQUOIA (RM1146U)E0
*1
Registration Completion
Instruction ErrorºRegistration Completion Instructionº command
from master cannot be received.Since this DTC is provided for engi-
neering, it may be detected when no
actual failure exists.
±
E3
*1Registration Request Transmis-
sion
Registration Request command is output from
slave component.
Registration Request command is output from
sub±master component.Since this DTC is provided for engi-
neering, it may be detected when no
actual failure exists.
±
DF
*4Master Error
Due to defective condition of component with a
display, master function is switched to audio
equipment.
Error occurs in communication between sub±
master (audio) and master component.1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
E4
*1Multiple Frame AbortMultiple frame transmission is aborted.
Since this DTC is provided for engi-
neering purpose, it may be detected
when no actual failure exists.
±
D8
*2No Response To Connection
CheckComponent shown by sub±code is or had been
disconnected from system after engine start.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
D9
*1Last Mode Error
Component operated (sound and/or image was
provided) before engine stop is or was discon-
nected with ignition switch in ACC or ON.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
DANo Response to ON/OFF
Instruction
No response is identified when changing mode
(audio and visual mode change).
Detected when sound and picture does not
change by button operation
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
DB
*1Mode Status ErrorDual alarm is detected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
DC
*4Transmission Error
Transmission to component shown by sub±code
has been failed.
(This code does not necessarily mean actual fail-
ure.)If same sub±code is recorded in
other component(s), check harness
for power supply and communica-
tion system of all components
shown by code.
±
DE
*3Slave Reset (Momentary Inter-
ruption)After engine start, slave component has been dis-
connected.
1. Power source circuit (Radio re-
ceiver assy).
2. AVC±LAN (Radio receiver assy
± Rear seat audio controller).
3. Replace Rear seat audio control-
ler.DI±1990
DI±2061
±
HINT:
*1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage
for starting the engine.

Page 2191 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUDIO SYSTEM
DI±1989
2183 Author: Date:
2005 SEQUOIA (RM1146U)
*2: When 210 sec. has passed after pulling out the power supply connector of the master component
with the ignition s

Page 2192 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual I28499
Built±in Type Amplifier:
Radio Receiver Assy A36
ACC Cut Relay Sub J/B No. 3
Instrument Panel J/B
Engine Room J/BTo ECM
Battery
IFR2
R2
R2 12
3A1
3A
1
4 3 W±R
2
GR B C B±O
J37 J38
IA124
L±

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