Toyota Sequoia (2005). Manual - part 603

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DIAGNOSTICS

NAVIGATION SYSTEM

DI–2207

2401

*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.

DTC

Name

Diagnosis

Verification

See page

43

SPD signal error

The 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.

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DI–2291

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44

Player error

Map 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.

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45

High temperature

High 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.

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(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.

DTC

Name

Diagnosis

Verification

See page

10

Panel switch error

The panel SW detection circuit has a failure.

Replace radio and navigation assy.

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DI–2208

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DIAGNOSTICS

NAVIGATION SYSTEM

2402

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.

DTC

Name

Diagnosis

Verification

See page

D7

*2

Connection 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

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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

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E0

*1

Registration complete indication

error

When ”Registration complete” command from the
master device cannot be received.
NOTE: This DTC may not be directly related to
the problem.

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E1

*1

Voice processing device ON er-

ror

When 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

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DIAGNOSTICS

NAVIGATION SYSTEM

DI–2209

2403

E2

ON/OFF indication parameter

error

When the command for ON/OFF control from the
master device has a problem.

Replace radio and navigation assy.

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E3

*1

Registration 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.

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E4

*1

Multiple frame incomplete

When the multiple frame transmission ends in-
complete.
NOTE: This DTC may not be directly related to
the problem.

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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)

DTC

Name

Diagnosis

Verification

See page

21

ROM Error

Abnormal condition of ROM is detected.

Replace multi–display controller
sub–assy.

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22

ROM Error

Abnormal condition of RAM is detected.

Replace multi–display controller
sub–assy.

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D1

*1

*4

Registered component discon-

nected

AVC–LAN transmitting abnor-

malities

Component 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

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D7

*2

AVC–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

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D6

*1

Absence 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

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DI–2210

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DIAGNOSTICS

NAVIGATION SYSTEM

2404

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.

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DD

*4

Master 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

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E0

*1

Registration Completion

Instruction Error

”Registration Completion Instruction” command
from master cannot be received.

Since this DTC is provided for engi-

neering, it may be detected when no

actual failure exists.

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E3

*1

Registration 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.

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DF

*4

Master 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

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E4

*1

Multiple Frame Abort

Multiple frame transmission is aborted.

Since this DTC is provided for engi-

neering purpose, it may be detected

when no actual failure exists.

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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)

DTC

Name

Diagnosis

Verification

See page

D6

*1

Absence 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

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