Nissan Pathfinder. Manual — part 186
AV
REAR SPEAKER
AV-571
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace rear side speaker. Refer to
AV-624, "Removal and Installation"
.
NO
>> GO TO 4.
4.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M161 and BOSE speaker amp. connector B130.
2. Check continuity between AV control unit connector M161 and BOSE speaker amp. connector B130.
3. Check continuity between AV control unit connector M161 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 M161 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 M161.
Is the inspection result normal?
YES
>> Replace BOSE speaker amp. Refer to
AV-618, "Removal and Installation"
53
48
Audio signal output
44
43
SKIB3609E
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M161
4
B130
64
Yes
5
63
13
66
14
65
AV control unit
Ground
Continuity
Connector
Terminal
M161
4
—
No
5
13
14
AV control unit connector M161
Condition
Reference value
(+)
(
−)
Terminal
Terminal
4
5
Audio signal output
13
14
SKIB3609E
AV-572
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
REAR SPEAKER
NO
>> Replace AV control unit. Refer to
AV
SUBWOOFER
AV-573
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
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B
A
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SUBWOOFER
Diagnosis Procedure
INFOID:0000000009174776
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwoofer connectors for the following:
• Proper connection
• Damage
• Disconnected or looses terminals
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
VERIFY SUBWOOFER POWER SUPPLY AND GROUND
Check subwoofer power supply and ground. Refer to
AV-551, "SUBWOOFER : Diagnosis Procedure"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK SUBWOOFER AMP ON CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect Bose speaker amp. connector B130 and subwoofer connector.
3. Check continuity between Bose speaker amp. connector B130 and subwoofer connector B73.
4. Check continuity between Bose speaker amp. connector B130 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connectors.
4.
CHECK SUBWOOFER AMP ON CIRCUIT VOLTAGE
1. Connect Bose speaker amp. connector B130.
2. Turn ignition switch ON.
3. Check voltage between Bose speaker amp. connector B130 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace Bose speaker amp. Refer to
AV-618, "Removal and Installation"
Bose speaker amp.
Subwoofer
Continuity
Connector
Terminal
Connector
Terminal
B130
62
B73
4
Yes
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B130
62
—
No
Bose speaker amp.
Ground
Voltage
(Approx.)
(+)
(–)
Connector
Terminal
B130
62
—
Battery voltage
AV-574
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
SUBWOOFER
5.
CHECK SUBWOOFER SIGNAL CIRCUIT CONTINUITY
1. Disconnect BOSE speaker amp. connector B130 and subwoofer connector.
2. Check continuity between BOSE speaker amp. connector B130 and subwoofer connector.
3. Check continuity between BOSE speaker amp. connector B130 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK SUBWOOFER SIGNAL
1. Connect BOSE speaker amp. connector B130 and subwoofer 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.
Is the inspection result normal?
YES
>> Replace subwoofer. Refer to
AV-625, "Removal and Installation"
NO
>> GO TO 7.
7.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M161 and BOSE speaker amp. connector B130.
2. Check continuity between AV control unit connector M161 and BOSE speaker amp. connector B130.
3. Check continuity between AV control unit connector M161 and ground.
BOSE speaker amp.
Subwoofer
Continuity
Connector
Terminal
Connector
Terminal
B130
56
B73
2
Yes
57
1
BOSE speaker amp.
Ground
Continuity
Connector
Terminal
B130
56
—
No
57
BOSE speaker amp. connector B130
Condition
Reference value
(+)
(
−)
Terminal
Terminal
56
57
Audio signal output
SKIB3609E
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M161
4
B130
64
Yes
5
63
13
66
14
65
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