Infiniti G35 (V35) Sedan. Manual — part 149
![](/vehicles/zatt/tenge/outheneren/unhe.png)
AV-368
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1205 GPS
U1205 GPS
Description
INFOID:0000000000964820
An intermittent error caused by strong radio interference may be detected unless any symptoms (GPS recep-
tion error, etc.) occur. Replace the AV control unit ff the malfunction occurs constantly. Refer to
DTC Logic
INFOID:0000000000964821
Diagnosis Procedure
INFOID:0000000000964822
1.
PERFORM THE SELF-DIAGNOSIS
1.
Delete the self-diagnosis results. Turn ignition switch OFF.
2.
Turn ignition switch ON. Perform the self-diagnosis again.
3.
Check that the DTC is detected again.
Is any DTC detected?
YES
>> Replace AV control unit.
NO
>> The intermittent malfunction caused by strong radio interference can be detected.
Part name
Description
AV CONTORL UNIT
• Integrates HDD (hard disk drive) allowing map data and music data to be
stored.
• It is the master unit of the MULTI AV system, and it is connected to each control
unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, and vehicle information functions.
• It is connected to ECM and unified meter and A/C amp. via CAN communica-
tion to obtain necessary information for the vehicle information function.
• It inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U1205
GPS ROM
[U1205]
Internal malfunction of AV control unit (GPS malfunction)
is detected.
Replace AV control unit
![](/vehicles/zatt/tenge/outheneren/ouglid.png)
AV
U1206 GPS
AV-369
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
U1206 GPS
Description
INFOID:0000000000964823
An intermittent error caused by strong radio interference may be detected unless any symptoms (GPS recep-
tion error, etc.) occur. Replace the AV control unit ff the malfunction occurs constantly. Refer to
DTC Logic
INFOID:0000000000964824
Diagnosis Procedure
INFOID:0000000000964825
1.
PERFORM THE SELF-DIAGNOSIS
1.
Delete the self-diagnosis results. Turn ignition switch OFF.
2.
Turn ignition switch ON. Perform the self-diagnosis again.
3.
Check that the DTC is detected again.
Is any DTC detected?
YES
>> Replace AV control unit.
NO
>> The intermittent malfunction caused by strong radio interference can be detected.
Part name
Description
AV CONTORL UNIT
• Integrates HDD (hard disk drive) allowing map data and music data to be
stored.
• It is the master unit of the MULTI AV system, and it is connected to each control
unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, and vehicle information functions.
• It is connected to ECM and unified meter and A/C amp. via CAN communica-
tion to obtain necessary information for the vehicle information function.
• It inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U1206
GPS RAM
[U1206]
Internal malfunction of AV control unit (GPS malfunction)
is detected.
Replace AV control unit
![](/vehicles/zatt/tenge/outheneren/dind.png)
AV-370
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1207 GPS
U1207 GPS
Description
INFOID:0000000000964826
An intermittent error caused by strong radio interference may be detected unless any symptoms (GPS recep-
tion error, etc.) occur. Replace the AV control unit ff the malfunction occurs constantly. Refer to
DTC Logic
INFOID:0000000000964827
Diagnosis Procedure
INFOID:0000000000964828
1.
PERFORM THE SELF-DIAGNOSIS
1.
Delete the self-diagnosis results. Turn ignition switch OFF.
2.
Turn ignition switch ON. Perform the self-diagnosis again.
3.
Check that the DTC is detected again.
Is any DTC detected?
YES
>> Replace AV control unit.
NO
>> The intermittent malfunction caused by strong radio interference can be detected.
Part name
Description
AV CONTORL UNIT
• Integrates HDD (hard disk drive) allowing map data and music data to be
stored.
• It is the master unit of the MULTI AV system, and it is connected to each control
unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.
• The AV control unit includes the audio, hands-free phone, voice control, navi-
gation, and vehicle information functions.
• It is connected to ECM and unified meter and A/C amp. via CAN communica-
tion to obtain necessary information for the vehicle information function.
• It inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Action to take
U1207
GPS RTC
[U1207]
Internal malfunction of AV control unit (GPS malfunction)
is detected.
Replace AV control unit
![](/vehicles/zatt/tenge/outheneren/met.png)
AV
U1243 DISPLAY UNIT
AV-371
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1243 DISPLAY UNIT
Description
INFOID:0000000000964829
DTC Logic
INFOID:0000000000964830
Diagnosis Procedure
INFOID:0000000000964831
1.
CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit. Refer to
AV-379, "DISPLAY UNIT : Diagnosis Procedure"
.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK CONTINUITY COMMUNICATION CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector terminals 11, 22 and AV control unit harness
connector terminals 70, 71.
4.
Check continuity between display unit harness connector terminals 11, 22 and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK COMMUNICATION SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal 11 and ground.
Part name
Description
DISPLAY UNIT
• Display image is controlled by the serial communication from AV control unit.
• RGB image signal is input from AV control unit (RGB, RGB area and RGB syn-
chronizing). Auxiliary image signal is input from the auxiliary input jack. Cam-
era image signal is input from the camera control unit.
• Synchronize signal (HP, VP) is output to AV control unit.
• Touch panel function can be operated for each system by touching a display
directly.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1243
FRONT DISP CONN
[U1243]
• Display unit power supply and ground circuit malfunc-
tion is detected
• Malfunction is detected on communication circuit be-
tween display unit and AV control unit
• Malfunction is detected on communication signal be-
tween display unit and AV control unit
• Display unit power supply and
ground circuit
• Communication circuit between
display unit and AV control unit
11 - 70
: Continuity should exist.
22 - 71
: Continuity should exist.
11, 22 - Ground
: Continuity should not exist.
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