Nissan Pathfinder. Manual — part 182
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-555
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1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector M96.
3. Check voltage between around view monitor control unit connector M96 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between around view monitor control unit connector M96 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Terminal No.
Signal name
Fuse No.
4
Ignition signal
29 (5A)
2
Battery power supply
15 (15A)
Around view monitor control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M96
3
—
Ignition switch: ON
Battery voltage
2
Ignition switch: OFF
Around view monitor control unit
Ground
Continuity
Connector
Terminal
M96
1
—
Yes
AV-556
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CENTER SPEAKER
CENTER SPEAKER
Diagnosis Procedure
INFOID:0000000009174770
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 CENTER SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect BOSE speaker amp. connector B130 and center speaker connector.
2. Check continuity between BOSE speaker amp. connector B130 and center speaker connector.
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 CENTER SPEAKER SIGNAL
1. Connect BOSE speaker amp. connector B130 and center speaker 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?
BOSE speaker amp.
Center speaker
Continuity
Connector
Terminal
Connector
Terminal
B130
69
M110
1
Yes
70
2
BOSE speaker amp.
Ground
Continuity
Connector
Terminal
B130
69
—
No
70
BOSE speaker amp. connector B130
Condition
Reference value
(+)
(
−)
Terminal
Terminal
69
70
Audio signal output
SKIB3609E
AV
CENTER SPEAKER
AV-557
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YES
>> Replace center speaker. Refer to
AV-622, "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"
NO
>> Replace AV control unit. Refer to
AV-611, "Removal and Installation"
AV control unit
BOSE speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M161
2
B130
75
Yes
3
76
11
73
12
74
AV control unit
Ground
Continuity
Connector
Terminal
M161
2
—
No
3
11
12
AV control unit connector M161
Condition
Reference value
(+)
(
−)
Terminal
Terminal
2
3
Audio signal output
11
12
SKIB3609E
AV-558
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INSTRUMENT PANEL SPEAKER/TWEETER
INSTRUMENT PANEL SPEAKER/TWEETER
Diagnosis Procedure
INFOID:0000000009174771
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 INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect BOSE speaker amp. connector B129 and suspect instrument panel tweeter connector.
2. Check continuity between BOSE speaker amp. connector B129 and suspect instrument panel tweeter
connector.
3. Check continuity between BOSE speaker amp. connector B129 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK INSTRUMENT PANEL TWEETER SIGNAL
1. Connect BOSE speaker amp. connector B129 and suspect instrument panel 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 B129.
BOSE speaker amp.
Instrument panel tweeter
Continuity
Connector
Terminal
Connector
Terminal
B129
41
M62 (LH)
1
Yes
42
2
45
M73 (RH)
1
46
2
BOSE speaker amp.
Ground
Continuity
Connector
Terminal
B129
41
—
No
42
45
46
BOSE speaker amp. connector B129
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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