AV-422
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Area with yellow connection lines DescriptionPossible malfunction location / Action
to take
NOTE:
When a control unit malfunction is detected (red in
unit display), connection malfunctions with other
connection unit may be displayed.Malfunction is detected in AV control
unit power supply and ground circuits.Check AV control unit power supply
and ground circuits. When detecting
no malfunction in those components,
replace AV control unit.
“Self-Diagnosis did not run because of a control unit
malfunction”
NAVI control unit malfunction is detect-
ed.Replace NAVI control unit.
When either one of the following
items is detected:
BOSE amp. malfunction is detected.
sound signal circuits between BOSE
amp. and each speaker is malfunc-
tioning. Replace BOSE amp.
Malfunctioning speaker circuits
When either one of the following
items is detected:
DVD player power supply and
ground circuits are malfunctioning.
AV communication circuits between
BOSE amp. and DVD player are
malfunctioning.
AV communication signal between
AV control unit and DVD player is
malfunctioning. DVD player power supply and
ground circuits
AV communication circuits between
BOSE amp. and DVD player
JSNIA1314GB
JSNIA1315GB
JPNIA1091GB
JSNIA1316GB
AV-432
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Camera Cont.
Refer to AV-419, "Diagnosis Description".
AV COMM CIRCUIT
Rear view Camera connection ErrorWhen either one of the following items is
detected:
camera control unit power supply and
ground circuits are malfunctioning.
AV communication signal between AV
control unit and camera control unit is
malfunctioning.Camera control unit power supply and
ground circuits.
AV COMM CIRCUIT
DVD Deck Connection ErrorWhen either one of the following items is
detected:
DVD player power supply and ground cir-
cuits are malfunctioning.
AV communication circuits between
BOSE amp. and DVD player are mal-
functioning.
AV communication signal between AV
control unit and DVD player is malfunc-
tioning. DVD player power supply and ground cir-
cuits.
AV communication circuits between
BOSE amp. and DVD player.
AV COMM CIRCUIT
DVD Deck Connection Error
Amplifier Connection ErrorWhen either one of the following items is
detected:
AV communication circuits between
NAVI control unit and BOSE amp. are
malfunctioning.
AV communication signal between AV
control unit and BOSE amp. is malfunc-
tioning.AV communication circuits between NAVI
control unit and BOSE amp.
AV COMM CIRCUIT
DVD Deck Connection Error
Amplifier Connection Error
DVD Navi Unit Connection ErrorWhen either one of the following items is
detected:
AV communication circuits between cam-
era control unit and NAVI control unit are
malfunctioning.
AV communication signal between AV
control unit and NAVI control unit is mal-
functioning.AV communication circuits between cam-
era control unit and NAVI control unit.
AV COMM CIRCUIT
DVD Deck Connection Error
Amplifier Connection Error
Rear view Camera connection Error
DVD Navi Unit Connection ErrorWith rear control switch
When either one of the following items is
detected:
malfunction is detected in AV communi-
cation circuits between rear control
switch and camera control unit.
malfunction is detected in AV communi-
cation circuits between camera control
unit and NAVI control unit. AV communication circuits between mul-
tifunction switch and rear control switch.
AV communication circuits between rear
control switch and camera control unit.
Without rear control switch
When either one of the following items is
detected:
malfunction is detected in AV communi-
cation circuits between multifunction
switch and camera control unit.
malfunction is detected in AV communi-
cation circuits between camera control
unit and NAVI control unit.AV communication circuits between multi-
function switch and camera control unit.
AV COMM CIRCUIT
Switches Connection Error
DVD Deck Connection Error
Amplifier Connection Error
DVD Navi Unit Connection Error
Rear view Camera connection ErrorWhen either one of the following items is
detected:
AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
AV communication signal between AV
control unit and multifunction switch are
malfunctioning.AV communication circuits between AV
control unit and multifunction switch. Error item Description Possible malfunction factor/Action to take
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-437
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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AV COMM CIRCUIT [U1300]
DVD DECK CONN [U1248]When either one of the following items is
detected:
DVD player power supply and ground cir-
cuits are malfunctioning.
AV communication circuits between
BOSE amp. and DVD player are mal-
functioning.
AV communication signal between AV
control unit and DVD player is malfunc-
tioning. DVD player power supply and ground cir-
cuits.
Refer to AV- 4 6 8 , "DVD PLAYER : Diag-
nosis Procedure".
AV communication circuits between
BOSE amp. and DVD player.
AV COMM CIRCUIT [U1300]
AMP CONN [U124E]When either one of the following items is
detected:
BOSE amp. power supply and ground
circuits are malfunctioning.
AV communication signal between AV
control unit and BOSE amp. is malfunc-
tioningBOSE amp. power supply and ground cir-
cuits.
Refer to AV- 4 6 6 , "
BOSE AMP. : Diagnosis
Procedure".
AV COMM CIRCUIT [U1300]
REAR-CAMERA LAN CONN [U1252]When either one of the following items is
detected:
camera control unit power supply and
ground circuits are malfunctioning.
AV communication signal between AV
control unit and camera control unit is
malfunctioning.Camera control unit power supply and
ground circuits.
Refer to AV- 4 6 7 , "
CAMERA CONTROL
UNIT : Diagnosis Procedure".
AV COMM CIRCUIT [U1300]
DVD NAVI CONN [U125D]NAVI control unit power supply and ground
circuits are malfunctioning.NAVI control unit power supply and ground
circuits.
Refer to AV- 4 6 4 , "
NAVI CONTROL UNIT :
Diagnosis Procedure".
AV COMM CIRCUIT [U1300]
DVD DECK CONN [U1248]
AMP CONN [U124E]When either one of the following items is
detected:
AV communication circuits between
NAVI control unit and BOSE amp is mal-
functioning.
AV communication signal between AV
control unit and BOSE amp. is maifunc-
tioning.AV communication circuits between NAVI
control unit and BOSE amp.
AV COMM CIRCUIT [U1300]
DVD DECK CONN [U1248]
AMP CONN [U124E]
DVD NAVI CONN [U125D]When either one of the following items is
detected:
AV communication circuits between cam-
era control unit and NAVI control unit is
malfunctioning.
AV communication signal between AV
control unit and NAVI control unit is mal-
functioning.AV communication circuits between cam-
era control unit and NAVI control unit. Error item Detection logic Possible malfunction factor/Action to take
AV-442
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1310 AV CONTROL UNIT
U1310 AV CONTROL UNIT
DescriptionINFOID:0000000003765857
Replace the AV control unit if this DTC is displayed. Refer to AV-648, "Removal and Installation".
DTC LogicINFOID:0000000003765858
DTC DETECTION LOGIC
Part name Description
AV CONTROL UNIT It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
AV control unit includes audio function and vehicle information function.
It is connected to ECM and combination meter. via CAN communication to ob-
tain necessary information for the vehicle information function.
It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
Composite image signal (AUX and DVD images) is input from DVD player.
Camera image signal is input from camera control unit.
Composite image (DVD, AUX and camera images) signal is output to display
unit.
Sound signal (DVD and AUX sounds) is input from the DVD player.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1310CONTROL UNIT (AV)
[U1310]AV communication circuit initial diagnosis malfunction is
detected.Replace AV control unit.
AV
U1200 AV CONTROL UNIT
AV-443
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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U1200 AV CONTROL UNIT
DescriptionINFOID:0000000003820986
Replace the AV control unit if this DTC is displayed. Refer to AV-648, "Removal and Installation".
DTC LogicINFOID:0000000003765860
DTC DETECTION LOGIC
Part name Description
AV CONTROL UNIT It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
AV control unit includes audio function and vehicle information function.
It is connected to ECM and combination meter. via CAN communication to ob-
tain necessary information for the vehicle information function.
It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
Composite image signal (AUX and DVD images) is input from DVD player.
Camera image signal is input from camera control unit.
Composite image (DVD, AUX and camera images) signal is output to display
unit.
Sound signal (DVD and AUX sounds) is input from the DVD player.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1200Cont Unit
FLASH- ROM
[U1200]AV control unit malfunction is detected. (FLASH-ROM). Replace AV control unit.
AV-444
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1216 AV CONTROL UNIT
U1216 AV CONTROL UNIT
DescriptionINFOID:0000000003820987
Replace the AV control unit if this DTC is displayed. Refer to AV-648, "Removal and Installation".
DTC LogicINFOID:0000000003765862
Part name Description
AV CONTROL UNIT It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
AV control unit includes audio function and vehicle information function.
It is connected to ECM and combination meter. via CAN communication to ob-
tain necessary information for the vehicle information function.
It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
Composite image signal (AUX and DVD images) is input from DVD player.
Camera image signal is input from camera control unit.
Composite image (DVD, AUX and camera images) signal is output to display
unit.
Sound signal (DVD and AUX sounds) is input from the DVD player.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1216CAN CONT
[U1216]Internal malfunction of AV control unit (CAN controller) is
detected.Replace AV control unit.
AV
U1231 BOSE AMP.
AV-445
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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U1231 BOSE AMP.
DescriptionINFOID:0000000003900426
Replace the BOSE amp. if this DTC is displayed. Refer to AV-657, "Removal and Installation".
DTC LogicINFOID:0000000003900427
Part name Description
BOSE AMP.Inputs sound signal from AV control unit and DVD player, and outputs sound sig-
nal to woofer and each speaker.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Action to take
U1231AMP TEMP
[U1231]Internal malfunction of BOSE amp. is detected. Replace BOSE amp.
AV-462
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1300 AV COMM CIRCUIT
U1300 AV COMM CIRCUIT
DescriptionINFOID:0000000003765874
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
Self-diagnosis results display item
DTCDisplay contents of
CONSULT-IIIDescriptionPossible malfunction factor/Action to
take
U1300
U1240 AV COMM CIRCUIT
[U1300]
SWITCH CONN
[U1240]When either one of the following items is detected:
multifunction switch power supply and ground circuits
are malfunctioning.
AV communication circuits between AV control unit and
multifunction switch are malfunctioning.
AV communication signal between AV control unit and
multifunction switch is malfunctioning. Multifunction switch power supply
and ground circuits.
Refer to AV- 4 6 6 , "
MULTIFUNC-
TION SWITCH : Diagnosis Proce-
dure".
AV communication circuits be-
tween AV control unit and multi-
function switch.
U1300
U1248 AV COMM CIRCUIT
[U1300]
DVD DECK CONN
[U1248]When either one of the following items is detected:
DVD player power supply and ground circuits are mal-
functioning.
AV communication circuits between BOSE amp. and
DVD player are malfunctioning.
AV communication signal between AV control unit and
DVD player is malfunctioning. DVD player power supply and
ground circuits.
Refer to AV- 4 6 8 , "
DVD PLAYER :
Diagnosis Procedure".
AV communication circuits be-
tween BOSE amp. and DVD player.
U1300
U124E AV COMM CIRCUIT
[U1300]
AMP CONN [U124E]When either one of the following items is detected:
BOSE amp. power supply and ground circuits are mal-
functioning.
AV communication signal between AV control unit and
BOSE amp. is malfunctioning.BOSE amp. power supply and ground
circuits.
Refer to AV- 4 6 6 , "
BOSE AMP. : Diag-
nosis Procedure".
U1300
U1252 AV COMM CIRCUIT
[U1300]
REAR-CAMERA LAN
CONN [U1252]When either one of the following items is detected:
camera control unit power supply and ground circuits
are malfunctioning.
AV communication signal between AV control unit and
camera control unit is malfunctioning.Camera control unit power supply
and ground circuits.
Refer to AV- 4 6 7 , "
CAMERA CON-
TROL UNIT : Diagnosis Procedure".
U1300
U125D AV COMM CIRCUIT
[U1300]
DVD NAVI CONN
[U125D]NAVI control unit power supply and ground circuits are
malfunctioning.NAVI control unit power supply and
ground circuits.
Refer to AV- 4 6 4 , "
NAVI CONTROL
UNIT : Diagnosis Procedure".
U1300
U1248
U124E AV COMM CIRCUIT
[U1300]
DVD DECK CONN
[U1248]
AMP CONN [U124E]When either one of the following items is detected:
AV communication circuits between NAVI control unit
and BOSE amp. are malfunctioning.
AV communication signal between NAVI control unit
and BOSE amp. is malfunctioning.AV communication circuits between
NAVI control unit and BOSE amp.
U1300
U1248
U124E
U125D AV COMM CIRCUIT
[U1300]
DVD DECK CONN
[U1248]
AMP CONN [U124E]
DVD NAVI CONN
[U125D]When either one of the following items is detected:
AV communication circuits between camera control unit
and NAVI control unit are malfunctioning.
AV communication signal between camera control unit
and NAVI control unit is malfunctioning.AV communication circuits between
camera control unit and NAVI control
unit.