Nissan Pathfinder (2010 year). Manual — part 70
AV
U1250 CAMERA CONTROL UNIT
AV-367
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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1. Connect AV control unit connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector M48
terminal 87 and ground.
Is voltage approximately 5 volts?
YES
>> Replace camera control unit. Refer to
.
NO
>> Replace AV control unit. Refer to
AV-460, "Removal and Installation"
.
Connector
Terminals
Voltage
(+)
(-)
M48
87
Ground
Approx. 5V
ALNIA0543GB
2010 Pathfinder
2010 Pathfinder
AV-368
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1258 SATELLITE RADIO ANTENNA
U1258 SATELLITE RADIO ANTENNA
Description
INFOID:0000000005259569
DTC Logic
INFOID:0000000005259570
Diagnosis Procedure
INFOID:0000000005259571
Regarding Wiring Diagram information, refer to
.
1.
SATELLITE RADIO ANTENNA CHECK
Visually check satellite radio antenna and antenna feeder.
Is inspection result OK?
YES
>> GO TO 2
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Disconnect AV control unit connector M71.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M71 terminal
108 and ground.
Is voltage approximately 5 volts?
YES
>> Inspection End.
NO
>> Replace AV control unit. Refer to
Part name
Description
SATELLITE RADIO ANTENNA
Satellite radio signal is received and sent to audio control unit.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1258
XM ANETNNA CONN
[U1258]
Satellite radio antenna connection malfunction is detected Satellite radio antenna disconnection
108 - Ground
: Approx. 5 V
ALNIA0544GB
2010 Pathfinder
2010 Pathfinder
AV
U1300 AV COMM CIRCUIT
AV-369
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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U1300 AV COMM CIRCUIT
Description
INFOID:0000000005259572
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
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1300
U1240
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
• A/C and AV switch assembly power supply and ground
circuit malfunction is detected
• A malfunction is detected in communication circuit be-
tween AV control unit and A/C and AV switch assembly
• A malfunction is detected in communication signal be-
tween AV control unit and A/C and AV switch assembly
• A/C and AV switch assembly power
supply and ground circuits
• Communication circuit between AV
control unit and A/C and AV switch
assembly
2010 Pathfinder
2010 Pathfinder
AV-370
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1310 AV CONTROL UNIT
U1310 AV CONTROL UNIT
Description
INFOID:0000000005259573
Replace the AV control unit if this DTC is displayed. Refer to
AV-460, "Removal and Installation"
.
DTC Logic
INFOID:0000000005259574
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 means of communication. It operates each system according to com-
munication 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 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
U1310
CONTROL UNIT (AV)
[U1310]
An initial diagnosis error is detected in AV communication
circuit.
Replace AV control unit. Refer to
460, "Removal and Installation"
.
2010 Pathfinder
2010 Pathfinder
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-371
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000005259575
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check that the following AV control unit fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect AV control unit connectors M39 and M48.
2. Check voltage between the AV control unit connectors M39 and
M48 and ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Unit
Terminals
Signal name
Fuse No.
AV control unit
19, 69, 71
Battery power
29
7, 72
Ignition switch ACC or ON
4
82
Ignition switch ON or START
12
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M39
7
Ground
0V
Battery
voltage
Battery
voltage
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
M48
69
Ground
Battery
voltage
Battery
voltage
Battery
voltage
71
Ground
Battery
voltage
Battery
voltage
Battery
voltage
72
Ground
0V
Battery
voltage
Battery
voltage
82
Ground
0V
0V
Battery
voltage
AWNIA0459GB
2010 Pathfinder
2010 Pathfinder
AV-372
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
1. Ignition OFF.
2. Check continuity between AV control unit harness connector
M48 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair AV control unit ground.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000005259576
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check that the following display unit fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch to ACC
2. Check voltage between display unit harness connector M92 and
ground.
Does specified voltage exist?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
CHECK GROUND CIRCUIT
(+)
(-)
Continuity
Connector
Terminal
M48
68
Ground
Yes
70
89
90
AWNIA1788ZZ
Unit
Terminals
Signal name
Fuse No.
Display unit
2
Battery power
29
3
Ignition switch ACC or ON
4
Connector
Terminal
Ignition switch posi-
tion
Value (Approx.)
M92
2
ACC
Battery voltage
3
ALNIA0317GB
2010 Pathfinder
2010 Pathfinder
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-373
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector M92
and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
A/C AND AV SWITCH ASSEMBLY
A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure
INFOID:0000000005259577
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the A/C and AV switch assembly fuse is not blown.
Is the fuse OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect A/C and AV switch assembly connector M98.
2. Check voltage between the A/C and AV switch assembly con-
nector M98 and ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
(+)
(-)
Continuity
Connector
Terminal
M92
1
Ground
Yes
13
ALNIA0407GB
Unit
Terminal
Signal name
Fuse No.
A/C and AV switch assembly
2
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M98
2
Ground
0V
Battery
voltage
Battery
voltage
ALNIA0315GB
2010 Pathfinder
2010 Pathfinder
AV-374
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
1. Ignition OFF.
2. Check continuity between A/C and AV switch assembly harness
connector M98 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair A/C and AV switch assembly ground.
BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure
INFOID:0000000005259578
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the BOSE speaker amp. fuse is not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp. connector.
3. Check voltage between BOSE speaker amp. harness connector
B74 terminal 1 and ground.
Is battery voltage present?
YES
>> GO TO 3
NO
>> Check harness between BOSE speaker amp. and fuse.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp. connector.
3. Check continuity between BOSE speaker amp. harness connec-
tor B74 terminal 17 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
SUBWOOFER
(+)
(-)
Continuity
Connector
Terminal
M98
1
Ground
Yes
ALNIA0316GB
Unit
Terminal
Signal name
Fuse No.
BOSE speaker amp.
1
Battery power
29
(+)
(-)
Voltage (approx.)
Connector
Terminal
B74
1
Ground
Battery voltage
ALNIA0527GB
(+)
(-)
Continuity
Connector
Terminal
B74
17
Ground
Yes
ALNIA0526GB
2010 Pathfinder
2010 Pathfinder
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