Nissan Pathfinder (2008 year). Manual — part 62
AV-336
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000001450608
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 M42 and M46.
2.
Check voltage between the AV control unit connectors M42 and
M46 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
1.
Ignition OFF.
2.
Check continuity between AV control unit harness connector
M46 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair AV control unit ground.
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
START
Connector
Terminal
M42
7
Ground
0V
Battery
voltage
Battery
voltage
0V
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
Battery
voltage
M46
69
Ground
Battery
voltage
Battery
voltage
Battery
voltage
Battery
voltage
71
Ground
Battery
voltage
Battery
voltage
Battery
voltage
Battery
voltage
72
Ground
0V
Battery
voltage
Battery
voltage
0V
82
Ground
0V
0V
Battery
voltage
Battery
voltage
ALNIA0545GB
Connector
(+)
(-)
Continuity
Terminal
M46
68
Ground
Yes
70
ALNIA0547GB
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-337
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000001450609
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 M93 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
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector.
3.
Check continuity between display unit harness connector M93
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:0000000001450610
1.
CHECK FUSE
Check that the A/C and AV switch assembly fuse is not blown.
Is the fuse OK?
Unit
Terminals
Signal name
Fuse No.
Display unit
2
Battery power
29
3
Ignition switch ACC or ON
4
Signal name
Connector
No.
Terminal
No.
Ignition switch
position
Value (Approx.)
B+
M93
2
ACC
12V
ACC
3
ALNIA0317GB
(+)
(-)
Continuity
Connector
Terminal
M93
1
Ground
Yes
13
ALNIA0407GB
Unit
Terminal
Signal name
Fuse No.
A/C and AV switch assembly
2
Ignition switch ACC or ON
4
AV-338
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
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
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:0000000001469799
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.
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M98
2
Ground
0V
Battery
voltage
Battery
voltage
ALNIA0315GB
(+)
(-)
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
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-339
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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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.
WOOFER
WOOFER : Diagnosis Procedure
INFOID:0000000001469800
1.
CHECK FUSE
Check that the subwoofer fuse is not blown.
Is the fuse 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 subwoofer connector.
3.
Check voltage between subwoofer harness connector B72 ter-
minal 6 and ground.
Is battery voltage present?
YES
>> GO TO 3
NO
>> Check harness between subwoofer and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between subwoofer harness connector B72
terminal 5 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
REAR VIEW CAMERA CONTROL UNIT
(+)
(-)
Continuity
Connector
Terminal
B74
17
Ground
Yes
ALNIA0526GB
Unit
Terminal
Signal name
Fuse No.
Subwoofer
6
Battery power
17
(+)
(-)
Voltage (approx.)
Connector
Terminal
B72
6
Ground
Battery voltage
ALNIA0528GB
(+)
(-)
Continuity
Connector
Terminal
B72
5
Ground
Yes
ALNIA0529GB
AV-340
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure
INFOID:0000000001469801
1.
CHECK FUSE
Check that the following fuses of the rear view camera control unit are 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
Check voltage between rear view camera control unit harness con-
nector B176 and ground.
Are the voltage readings as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear view camera control unit connector.
3.
Check continuity between rear view camera control unit harness
connector B176 terminal 3 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
REAR VIEW CAMERA
REAR VIEW CAMERA : Diagnosis Procedure
INFOID:0000000001469802
1.
CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)
1.
Turn ignition switch ON.
2.
Shift transmission into reverse.
Unit
Terminals
Signal name
Fuse No.
Rear view camera control unit
1
Battery power
29
2
Ignition switch ACC or ON
4
Signal name
Connector
No.
Terminal
No.
Ignition switch
position
Value (Approx.)
Battery power supply
B176
1
OFF
Battery voltage
ACC power supply
2
ACC
ALLIA0244ZZ
Connector Terminal
—
Continuity
B176
3 Ground
Yes
ALLIA0245ZZ
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-341
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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3.
Check voltage between rear view camera harness connector
D551 and ground.
Is voltage reading approximately 6 volts?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1.
Turn ignition switch OFF.
2.
Disconnect rear view camera and rear view camera control unit connectors.
3.
Check continuity between rear view camera harness connector
D551 (A) terminal 1 and rear view camera control unit harness
connector B176 (B) terminal 8.
4.
Check continuity between rear view camera harness connector
D551 (A) terminal 1 and ground.
Are continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA CONTROL UNIT SIDE)
1.
Connect rear view camera control unit harness connector.
2.
Turn ignition switch ON.
3.
Check voltage between rear view camera control unit harness
connector B176 and ground.
Is voltage reading approximately 6 volts?
YES
>> Inspection End.
NO
>> Replace rear view camera control unit. Refer to
.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear view camera harness connector.
Signal name
Connector
No.
Terminal
No.
Transmission
position
Value (Approx.)
Camera ON signal
D551
1
Reverse
6V
ALLIA0243ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
D551
1
B176
8
Yes
A
—
Continuity
Connector
Terminal
D551
1
Ground
No
ALLIA0246ZZ
Signal name
Connector
No.
Terminal
No.
Transmission
position
Value (Approx.)
Camera ON signal
B176
8
Reverse
6V
ALLIA0247ZZ
AV-342
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
3.
Check continuity between rear view camera harness connector
D551 terminal 2 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
DVD PLAYER
DVD PLAYER : Diagnosis Procedure
INFOID:0000000001469803
1.
CHECK FUSE
Check that the following fuses of the DVD player are 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 DVD player connector M205.
2.
Check voltage between the DVD player connector M205 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
1.
Turn ignition switch OFF.
2.
Check continuity between DVD player harness connector M205
terminal 5 and ground.
Are the continuity results as specified?
YES
>> Inspection End.
NO
>> Repair DVD player ground.
VIDEO MONITOR
Connector
Terminal
—
Continuity
D551
2
Ground
Yes
ALLIA0248ZZ
Unit
Terminal
Signal name
Fuse No.
DVD player
21
Battery power
29
24
Ignition switch ACC or ON
4
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M205
21
Ground
Battery
voltage
Battery
voltage
Battery
voltage
24
0V
Battery
voltage
Battery
voltage
ALNIA0325GB
Connector
Terminal
—
Continuity
M205
5
Ground
Yes
ALNIA0326GB
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-343
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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VIDEO MONITOR : Diagnosis Procedure
INFOID:0000000001469804
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch to ACC.
2.
Check voltage between video monitor harness connector B76
and ground.
Does specified voltage exist?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the video monitor connector B76 and the DVD
player connector M205.
3.
Check continuity between the video monitor harness connector
B76 (A) and the DVD player connector M205 (B).
4.
Check continuity between video monitor harness connector B76
(A) and ground.
Are continuity test results as specified?
YES
>> Check DVD player power and ground supply. Refer to
AV-178, "AV CONTROL UNIT : Diagnosis
.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect video monitor connector.
3.
Check continuity between video monitor harness connector B76
and ground.
Does continuity exist?
YES
>> INSPECTION END.
NO
>> Repair harness or connector.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000001450617
1.
CHECK POWER SUPPLY CIRCUIT
Signal name
Connector No.
Terminal No.
Ignition switch
position
Value (Ap-
prox.)
Display B+
B76
16
ACC
12V
ALNIA0516GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
B76
16
M205
9
Yes
A
—
Continuity
Connector
Terminal
B76
16
Ground
No
ALNIA0517GB
Connector No.
Terminal No.
—
Continuity
B76
12
Ground
Yes
15
ALNIA0518GB
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