2001 TOYOTA SEQUOIA check engine

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2207
2401 Author: Date:
2005 SEQUOIA (RM1146U)

*7: w/ Rear seat entertainment system only.
(b) Logical address: 58 (Navigation): 80 (GPS)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification column.
DTCNameDiagnosisVerificationSee page
43SPD signal errorThe difference between the GPS speed and SPD
pulse is detected.
1. Inspect speed signal error.
2. Speed signal circuit.
3. Replace radio and navigation
assy.±
DI±2291
±
44Player errorMap player error is detected.
1. Check if the disc can be inserted
and ejected. If a malfunction is
found, replace the radio and nav-
igation assy.
2. If the same code is detected
again, replace the radio and nav-
igation assy.±
±
45High temperatureHigh map player temperature is detected.
1. Park the vehicle in a cool place.
Turn the engine off. After check-
ing that the temperature of the
radio and navigation assy be-
comes sufficiently low, turn the
engine on to verify the malfunc-
tion symptom.
2. If the same code is detected
again, replace the radio and nav-
igation assy.±
±
(c) Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification column.
DTCNameDiagnosisVerificationSee page
10Panel switch errorThe panel SW detection circuit has a failure.Replace radio and navigation assy.±

DI±2208
± DIAGNOSTICSNAVIGATION SYSTEM
2402 Author: Date:
2005 SEQUOIA (RM1146U)
2. Stereo component amplifier assy (Physical address: 440) [DSP AMP]
(a) Logical address: 01 (Communication control)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification column.
DTCNameDiagnosisVerificationSee page
D7
*2Connection check error
When either of the following conditions is met.

The device that stored this code has (had) been
disconnected after the engine starts (started).

The master device has (had) been disconnected
when this code is (was) stored.
1. Power source circuit (radio and
navigation assy).
2. AVC±LAN circuit (Radio and
navigation assy ± Stereo compo-
nent amplifier assy).
3. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler). *5
4. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy). *6
5. Power source circuit (stereo
component amplifier assy).
6. Replace radio and navigation
assy.
7. Replace stereo component am-
plifier assy.DI±2256
DI±2268
DI±2061
DI±2139
DI±2258
±
±
DC
*3
*4
Transmission error
The device stores the fact that transmission to the
device indicated by the sub code has failed.
NOTE: This DTC may not be directly related to
the problem.
1. Power source circuit (radio and
navigation assy).
2. AVC±LAN circuit (Radio and
navigation assy ± Stereo compo-
nent amplifier assy).
3. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler). *5
4. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy). *6
5. Power source circuit (stereo
component amplifier assy).
6. Replace radio and navigation
assy.
7. Replace stereo component am-
plifier assy.DI±2256
DI±2268
DI±2061
DI±2139
DI±2258
±
±
E0
*1Registration complete indication
error
When ºRegistration completeº command from the
master device cannot be received.
NOTE: This DTC may not be directly related to
the problem.
±±
E1
*1Voice processing device ON er-
rorWhen the AMP device records that the AMP out-
put does not function even while the source de-
vice operates.
1. Power source circuit (radio and
navigation assy).
2. AVC±LAN circuit (Radio and
navigation assy ± Stereo compo-
nent amplifier assy).
3. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler). *5
4. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy). *6
5. Replace radio and navigation
assy.DI±2256
DI±2268
DI±2061
DI±2139
±

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2209
2403 Author: Date:
2005 SEQUOIA (RM1146U)E2
ON/OFF indication parameter
errorWhen the command for ON/OFF control from the
master device has a problem.Replace radio and navigation assy.±
E3
*1Registration demand transmis-
sion
When the registration demand command from the
slave device is output, or when the registration
demand command is output by receiving connec-
tion confirmation command from the sub master
device.
NOTE: This DTC may not be directly related to
the problem.
±±
E4
*1Multiple frame incomplete
When the multiple frame transmission ends in-
complete.
NOTE: This DTC may not be directly related to
the problem.
±±
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 1 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.
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
*4Registered 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 and navigation
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 and
navigation assy).
2. Power source circuit (Multi±dis-
play controller sub±assy).
3. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
4. Replace Multi±display controller
sub±assy.DI±2256
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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
3. Replace Multi±display controller
sub±assy.DI±2256
DI±2139
±

DI±2210
± DIAGNOSTICSNAVIGATION SYSTEM
2404 Author: Date:
2005 SEQUOIA (RM1146U)DC
*1
*3
Transmission 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
3. Replace Multi±display controller
sub±assy.DI±2256
DI±2139
±
E0
*1Registration 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Multi±display controller
sub±assy).
3. Replace Multi±display controller
sub±assy.DI±2256
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 210 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.
4. 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
DI±2061
±

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2211
2405 Author: Date:
2005 SEQUOIA (RM1146U)D7
*2
Connection 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
DI±2061
±
DC
*1
*3
Transmission 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
DI±2061
±
E0
*1Registration 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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
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 and
navigation assy).
2. AVC±LAN (Radio and navigation
assy ± Rear seat audio control-
ler).
3. Replace Rear seat audio control-
ler.DI±2256
DI±2061
±

± DIAGNOSTICSNAVIGATION SYSTEM
DI±2233
2427 Author: Date:
2005 SEQUOIA (RM1146U)
Abnormal noise occurs
INSPECTION PROCEDURE
1 Check speaker installation
CHECK:
Check if each speaker is securely installed.
OK:
Each speaker is securely installed.
HINT:
The radio is equipped with a noise prevention system that blocks only excessively loud noise. If loud noise
occurs, check that all wiring is proper and that the antenna installation part ground and noise±prevention
equipment are installed.
Conditions under which noise occursNoise type
Noise increases when the accelerator pedal is depressed, but stops when
the engine is stopped.Generator noise
Noise occurs during A/C or heater operation.Blower motor noise
Noise occurs when the vehicle accelerates rapidly on an unpaved road or
after the ignition switch is turned on.Fuel pump noise
Noise occurs when the horn switch is pressed and released or when pressed
and held.Horn noise
Quiet noise is occurs while the engine is running, but stops when the engine
is stopped.Ignition noise
Noise occurs synchronously with the blink of the turn signal.Flasher noise
Noise occurs during window washer operation.Washer noise
Noise occurs while the engine is running, and continues even after the engine
is stopped.Water temperature sensor noise
Noise occurs during wiper operation.Wiper noise
Noise occurs when the brake pedal is depressed.Stop light switch noise
Others.Static electricity stored on the vehicle
HINT:

Identify the condition under which the noise occurs, and check the noise filter on the relevant part.

First ensure that the noise is not coming from outside. Failure to do so makes noise source detection
difficult and may lead to a misdiagnosis.

Noise should be removed in descending order of loudness.
NG Install it properly.
OK
Identification of noise source (See page DI±2174).
DIDCO±01

I22575
DOME Fuse Engine Room J/B
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2311
2505 Author: Date:
2005 SEQUOIA (RM1146U)
3. CLEARING DTC
(a) Pull out the DOME fuse from the engine room J/B for 10
sec. or longer to clear the diagnostic DTC's memory.
(b) After reinserting the fuse, check that the normal code is
output.

DI3F1±09
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2317
2511 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table
below (Proceed to the page given for that circuit.)
DTC No.
(See page)Detection ItemTrouble AreaMemory
00Normal±±
11 *1
(DI±2319)
Front room temperature sensor circuit
Front room temp. sensor

Harness or connector between front room temp. sensor and
integration control and panel

Integration control and panel

(8.5 min. or more)
12 *2
(DI±2322)
Ambient temperature sensor circuit
Ambient temp. sensor

Harness or connector between ambient temp. sensor and
integration control and panel

Integration control and panel

(8.5 min. or more)
13
(DI±2325)
Front evaporator temperature sensor
circuit
Front evaporator temp. sensor

Harness or connector between front evaporator temp. sen-
sor and integration control and panel

Integration control and panel

(8.5 min. or more)
14
(DI±2328)
Engine coolant temperature sensor cir-
cuit
Engine coolant temp. sensor

Harness or connector between engine coolant temp. sensor
and ECM

Harness or connector between ECM and integration control
and panel

Integration control and panel

ECM
±
17
(DI±2330)
Rear evaporator temperature sensor
circuit
Rear evaporator temp. sensor

Harness or connector between rear evaporator temp. sensor
and integration control and panel

Integration control and panel

(8.5 min. or more)
19 *1
(DI±2333)
Rear room temperature sensor circuit
Rear room temp. sensor

Harness or connector between rear room temp. sensor and
integration control and panel

Integration control and panel

(8.5 min. or more)
21 *3
Solar sensor circuit (Open)
Solar sensor

Harness or connector between solar sensor and integration±
21 *3
(DI±2336)Solar sensor circuit (Short)
Harness or connector between solar sensor and integration
control and panel

Integration control and panel

(8.5 min. or more)
22 *4
(DI±2339)
All conditions below are detected for 3
sec. or more
(a) Engine speed: 450 rpm or more
(b) Ratio between engine and compres-
sor rpm deviates 20% or more in com-
parison to normal operation.
Compressor drive belt

Compressor lock sensor

Compressor

Harness or connector between compressor lock sensor and
integration control and panel

Integration control and panel
±
23
(DI±2342)
Open in pressure sensor circuit
Abnormal refrigerant pressure
[below 196 kPa (2.0 kgf/cm
2, 28 psi)
over 3,140 kPa (32.0 kgf/cm2, 455 psi)]

Pressure switch

Harness or connector between pressure switch and integra-
tion control and panel

Refrigerant pipe line

Integration control and panel
±