Nissan Pathfinder. Manual — part 122
AV
INSTRUMENT PANEL SPEAKER/TWEETER
AV-315
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace instrument panel tweeter. Refer to
AV-375, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M143 and BOSE speaker amp. connector B130.
2. Check continuity between AV control unit connector M143 and BOSE speaker amp. connector B130.
3. Check continuity between AV control unit connector M143 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK PRE-AMP SIGNAL
1. Connect AV control unit connector M143 and BOSE speaker amp. connector B130.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M143.
Is the inspection result normal?
YES
>> Replace BOSE speaker amp. Refer to
AV-372, "Removal and Installation"
41
42
Audio signal output
45
46
SKIB3609E
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M143
113
B130
75
Yes
119
76
109
73
115
74
AV control unit
Ground
Continuity
Connector
Terminal
M143
113
—
No
119
109
115
AV control unit connector M143
Condition
Reference value
(+)
(
−)
Terminal
Terminal
113
119
Audio signal output
109
115
SKIB3609E
AV-316
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
INSTRUMENT PANEL SPEAKER/TWEETER
NO
>> Replace AV control unit. Refer to
AV-365, "Removal and Installation"
.
AV
FRONT TWEETER
AV-317
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000009174594
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the BOSE speaker amp. and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminals or connectors.
2.
CHECK FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect BOSE speaker amp. connector B130 and suspect front tweeter connector.
2. Check continuity between BOSE speaker amp. connector B130 and suspect front door speaker connec-
tor.
3. Check continuity between BOSE speaker amp. connector B130 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT TWEETER SIGNAL
1. Connect BOSE speaker amp. connector B130 and suspect front tweeter connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check the signal between the terminals of BOSE speaker amp. connector B130.
BOSE speaker amp.
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
B130
58
M109 (LH)
1
Yes
59
2
71
M111 (RH)
1
72
2
BOSE speaker amp.
Ground
Continuity
Connector
Terminal
B130
58
—
No
59
71
72
BOSE speaker amp. connector B130
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-318
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
FRONT TWEETER
Is the inspection result normal?
YES
>> Replace front tweeter. Refer to
AV-374, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M143 and BOSE speaker amp. connector B130.
2. Check continuity between AV control unit connector M143 and BOSE speaker amp. connector B130.
3. Check continuity between AV control unit connector M143 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK PRE-AMP SIGNAL
1. Connect AV control unit connector M143 and BOSE speaker amp. connector B130.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M143.
Is the inspection result normal?
YES
>> Replace BOSE speaker amp. Refer to
AV-372, "Removal and Installation"
58
59
Audio signal output
71
72
SKIB3609E
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M143
113
B130
75
Yes
119
76
109
73
115
74
AV control unit
Ground
Continuity
Connector
Terminal
M143
113
—
No
119
109
115
AV control unit connector M143
Condition
Reference value
(+)
(
−)
Terminal
Terminal
113
119
Audio signal output
109
115
SKIB3609E
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