Nissan GT-R (2007-2014 year). AUDIO, VISUAL & NAVIGATION SYSTEM. Service Manual — part 4
AV
INSPECTION AND ADJUSTMENT
AV-49
< BASIC INSPECTION >
[BASE AUDIO WITH NAVIGATION]
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BASIC INSPECTION
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000009163214
BEFORE REPLACEMENT
When replacing AV control unit, save or print current vehicle specification with CONSULT configuration before
replacement.
AFTER REPLACEMENT
CAUTION:
When replacing AV control unit, you must perform “After Replace ECU” or “Manual Configuration”
with CONSULT.
• Complete the procedure of “After Replace ECU” or “Manual Configuration” in order.
• If you set incorrect “After Replace ECU” or “Manual Configuration”, incidents might occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000009163215
1.
SAVING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “Before Replace ECU” to save or print current vehicle specification. Refer to
TION (AV CONTROL UNIT) : Description"
NOTE:
If “Before Replace ECU” can not be used, use the “Manual Configuration”.
>> GO TO 2.
2.
REPLACE AV CONTROL UNIT
Replace AV control unit. Refer to
AV-77, "Removal and Installation"
.
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “After Replace ECU” or “Manual Configuration” to write vehicle specification. Refer to
FIGURATION (AV CONTROL UNIT) : Special Repair Requirement"
>> GO TO 4.
4.
OPERATION CHECK
Check that the operation of the AV control unit and camera images (fixed guide lines and predictive course
lines) are normal.
>> WORK END
CONFIGURATION (AV CONTROL UNIT)
CONFIGURATION (AV CONTROL UNIT) : Description
INFOID:0000000009163216
• Since vehicle specifications are not included in the AV control unit after replacement, it is required to write
vehicle specifications with CONSULT.
• The AV control unit configuration includes functions as follows.
Revision: 2012 November
2014 GT-R
AV-50
< BASIC INSPECTION >
[BASE AUDIO WITH NAVIGATION]
INSPECTION AND ADJUSTMENT
CONFIGURATION (AV CONTROL UNIT) : Special Repair Requirement
INFOID:0000000009163217
1.
WRITE VEHICLE SPECIFICATION
CONSULT Configuration
Write vehicle specification into AV control unit.
To write vehicle specification stored in CONSULT into the AV control unit>>GO TO 2.
To write vehicle specification into the AV control unit by hand>>GO TO 3.
2.
WRITE STORED DATA
CONSULT Configuration
Select “After Replace ECU” in “Read/Write Configuration”. Write data stored in CONSULT with the “Before
Replace ECU” function into the AV control unit.
>> GO TO 4.
3.
MANUALLY WRITE VEHICLE SPECIFICATION
CONSULT Configuration
Perform “Manual Configuration”. Refer to
AV-50, "CONFIGURATION (AV CONTROL UNIT) : Configuration
.
NOTE:
If selection items are not displayed on the CONSULT screen, touch “NEXT”.
>> GO TO 4.
4.
OPERATION CHECK
Check that the operation of the AV control unit and camera images (fixed guide lines and predictive course
lines) are normal.
>> WORK END
CONFIGURATION (AV CONTROL UNIT) : Configuration List
INFOID:0000000009163218
CAUTION:
Grasp vehicle specifications precisely. The control of ECU may not function normally if the specifica-
tions are misread.
NOTE:
• The items shown in this list depend on vehicle specifications.
• The config list may not be displayed depending on vehicle specifications. This is not a malfunction.
Function
Description
Read/Write Configuration
Before Replace ECU
Allows the reading of vehicle specification written in AV control unit
to store the specification in CONSULT.
After Replace ECU
Allows the writing of the vehicle information stored in CONSULT
into the AV control unit.
Manual Configuration
Allows the writing of the vehicle specification into the AV control
unit by hand.
MANUAL SETTING ITEM
Note
Items
Setting value
STEERING
LHD
—
RHD
—
Revision: 2012 November
2014 GT-R
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-51
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009163269
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between AV control unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connectors.
3.
Check continuity between AV control unit harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000009163270
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between display unit harness connector and ground.
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
19
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
M201
19
OFF
Battery voltage
ACC power supply
7
ACC
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
M201
20
OFF
Existed
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
19
Revision: 2012 November
2014 GT-R
AV-52
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between Display unit and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector.
3.
Check continuity between display unit harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
AUDIO AMP. LH
AUDIO AMP. LH : Diagnosis Procedure
INFOID:0000000009163271
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between woofer harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between audio amp. and fuse.
AUDIO AMP. RH
AUDIO AMP. RH : Diagnosis Procedure
INFOID:0000000009163272
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
M93
11
OFF
Battery voltage
ACC power supply
23
ACC
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
M93
12
OFF
Existed
Power source
Fuse No.
Battery
8
Signal name
Connector No.
Terminal No.
Ignition switch position
Voltage
(Approx.)
Battery power supply
B18
9
OFF
Battery voltage
Power source
Fuse No.
Battery
8
Revision: 2012 November
2014 GT-R
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-53
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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Check voltage between woofer harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between audio amp. and fuse.
Signal name
Connector No.
Terminal No.
Ignition switch position
Voltage
(Approx.)
Battery power supply
B19
9
OFF
Battery voltage
Revision: 2012 November
2014 GT-R
AV-54
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
RGB DIGITAL IMAGE SIGNAL CIRCUIT
RGB DIGITAL IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009163273
Transmit the image displayed with AV control unit with RGB digital image signal to the display unit.
Diagnosis Procedure
INFOID:0000000009163274
1.
CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector and AV control unit harness connector.
4.
Check continuity between display unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB DIGITAL IMAGE SIGNAL
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
Display unit
AV control unit
Continuity
Connector
Terminals
Connector
Terminals
M397
27
M396
157
Existed
28
158
Display unit
Ground
Continuity
Connector
Terminals
M397
27
Not existed
28
(+)
(
−
)
Condition
Voltage
(Approx.)
Display unit
Connector
Terminal
M397
27
Ground
—
3.3 V
28
Revision: 2012 November
2014 GT-R
AV
COMPOSITE IMAGE SIGNAL CIRCUIT
AV-55
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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COMPOSITE IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009163275
AV control unit transmits the playback DVD image signal to the display unit.
Diagnosis Procedure
INFOID:0000000009163276
1.
CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and display unit connector.
3.
Check continuity between AV control unit harness connector and display unit harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK COMPOSITE IMAGE SIGNAL
1.
Connect AV control unit connector and display unit connector.
2.
Turn ignition switch ON.
3.
Check signal between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M203
68
M93
18
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M203
68
Not existed
(+)
(
−
)
Condition
Reference value
AV control unit
Connector
Terminal
M203
68
Ground
At DVD image is displayed.
SKIB2251J
Revision: 2012 November
2014 GT-R
AV-56
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
DISK EJECT SIGNAL CIRCUIT
DISK EJECT SIGNAL CIRCUIT
Description
INFOID:0000000009163277
The eject signal is output to AV control unit when the eject switch of multifunction switch is pressed.
Diagnosis Procedure
INFOID:0000000009163278
1.
CHECK CONTINUITY CD EJECT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect multifunction switch connector and AV control unit connector.
3.
Check continuity between multifunction switch harness connector and AV control unit harness connector.
4.
Check continuity between multifunction switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect multifunction switch connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace preset switch.
NO
>> Replace AV control unit.
Multifunction switch
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M72
14
M202
29
Existed
Multifunction switch
Ground
Continuity
Connector
Terminal
M72
14
Not existed
(+)
(
−
)
Condition
Voltage
(Approx.)
AV control unit
Connector
Terminal
M202
29
Ground
Pressing the eject switch
0 V
Except for above
5.0 V
Revision: 2012 November
2014 GT-R
AV
MICROPHONE SIGNAL CIRCUIT
AV-57
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000009163279
Supply power from AV control unit to microphone. The microphone transmits the voice signal to the AV control
unit.
Diagnosis Procedure
INFOID:0000000009163280
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and microphone connector.
3.
Check continuity between AV control unit harness connector and microphone harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE MICROPHONE VCC
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace AV control unit.
3.
CHECK MICROPHONE SIGNAL
1.
Connect microphone connector.
2.
Check signal between AV control unit harness connector.
AV control unit
Microphone
Continuity
Connector
Terminals
Connector
Terminals
M203
71
R5
2
Existed
72
4
87
1
AV control unit
Ground
Continuity
Connector
Terminals
M203
72
Not existed
87
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M203
72
M203
71
5.0 V
Revision: 2012 November
2014 GT-R
AV-58
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> Replace AV control unit.
NO
>> Replace microphone.
(+)
(
−
)
Condition
Reference value
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M203
87
M203
71
Give a voice.
PKIB5037J
Revision: 2012 November
2014 GT-R
AV
CAMERA IMAGE SIGNAL CIRCUIT
AV-59
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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CAMERA IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000009163281
• The AV control unit supplies power to the rear view camera when receiving a reverse signal.
• The rear view camera transmits camera images to the display unit when power is supplied from the AV con-
trol unit.
Diagnosis Procedure
INFOID:0000000009163282
1.
CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and rear view camera connector.
3.
Check continuity between AV control unit harness connector and rear view camera harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE CAMERA POWER SUPPLY
1.
Connect AV control unit connector and rear view camera connector.
2.
Turn ignition switch ON.
3.
Shift the selector lever to “R”.
4.
Check voltage between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace AV control unit. Refer to
AV-77, "Removal and Installation"
.
3.
CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and rear view camera connector.
3.
Check continuity between display unit harness connector and rear view camera harness connector.
4.
Check continuity between display unit harness connector and ground.
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M202
22
B156
1
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M202
22
Not existed
(+)
(
−
)
Condition
Voltage
(Approx.)
AV control unit
Connector
Terminal
M202
22
Ground
Shift position is “R”.
6.0 V
Display unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M93
8
B156
3
Existed
Revision: 2012 November
2014 GT-R
AV-60
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
CAMERA IMAGE SIGNAL CIRCUIT
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK CAMERA IMAGE SIGNAL
1.
Connect display unit connector and rear view camera connector.
2.
Turn ignition switch ON.
3.
Shift the selector lever to “R”.
4.
Check signal between display unit harness connector and ground.
Is inspection result normal?
YES
>> Replace display unit. Refer to
AV-79, "Removal and Installation"
NO
>> Replace rear view camera. Refer to
AV-95, "Removal and Installation"
Display unit
Ground
Continuity
Connector
Terminal
M93
8
Not existed
(+)
(
−
)
Condition
Reference value
Display unit
Connector
Terminal
M93
8
Ground
At rear view camera im-
age is displayed.
SKIB2251J
Revision: 2012 November
2014 GT-R
AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-61
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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STEERING SWITCH SIGNAL A CIRCUIT
Description
INFOID:0000000009163283
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000009163284
1.
CHECK STEERING SWITCH SIGNAL A CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
3.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M201
6
M36
24
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M201
6
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M201
6
M201
15
5.0 V
Revision: 2012 November
2014 GT-R
AV-62
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
STEERING SWITCH SIGNAL A CIRCUIT
Component Inspection
INFOID:0000000009163285
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JPNIA1238GB
Steering switch
Condition
Resistance
Ω
Connector
Terminals
M303
14
17
START / STOP switch ON
1982 – 2063
switch ON
708 – 737
SEEK DOWN switch ON
314 – 327
SEEK UP switch ON
118 – 123
SOURCE switch ON
1
Ω
or less
15
MRK switch ON
708 – 737
switch ON
314 – 327
VOL UP switch ON
118 – 123
VOL DOWN switch ON
1
Ω
or less
Revision: 2012 November
2014 GT-R
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-63
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
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STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000009163286
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000009163287
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
3.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M201
16
M36
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M201
16
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M201
16
M201
15
5.0 V
Revision: 2012 November
2014 GT-R
AV-64
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO WITH NAVIGATION]
STEERING SWITCH SIGNAL B CIRCUIT
Component Inspection
INFOID:0000000009163288
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JPNIA1238GB
Steering switch
Condition
Resistance
Ω
Connector
Terminals
M303
14
17
START / STOP switch ON
1982 – 2063
switch ON
708 – 737
SEEK DOWN switch ON
314 – 327
SEEK UP switch ON
118 – 123
SOURCE switch ON
1
Ω
or less
15
MRK switch ON
708 – 737
switch ON
314 – 327
VOL UP switch ON
118 – 123
VOL DOWN switch ON
1
Ω
or less
Revision: 2012 November
2014 GT-R
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