Nissan Pathfinder. Manual — part 181
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-551
< 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
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between BOSE speaker amp. connector B129 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
SUBWOOFER
SUBWOOFER : Diagnosis Procedure
INFOID:0000000009174765
Regarding Wiring Diagram information, refer to
.
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. Disconnect subwoofer connector.
2. Check voltage between subwoofer connector B73 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 subwoofer connector B73 and ground.
BOSE speaker amp.
Ground
Voltage
(Approx.)
Connector
Terminal
B129
50
—
Battery voltage
51
BOSE speaker amp.
Ground
Continuity
Connector
Terminal
B129
47
—
Yes
52
Terminal No.
Signal name
Fuse No.
6
Battery power supply
58 (10A)
Subwoofer
Ground
Voltage
(Approx.)
Connector
Terminal
B73
6
—
Battery voltage
AV-552
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
A/C AND AV SWITCH ASSEMBLY
A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure
INFOID:0000000009174766
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse 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 A/C and AV switch assembly connector.
3. Check voltage between A/C and AV switch assembly connector M98 terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M164.
3. Check continuity between A/C and AV switch assembly connector M98 terminal 9 and AV control unit con-
nector M164 terminal 98.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connectors.
4.
CHECK SWITCH GROUND CIRCUIT
Check continuity between A/C and AV switch assembly connector M98 terminal 1 and ground.
Subwoofer
Ground
Continuity
Connector
Terminal
B73
5
—
Yes
Terminal No.
Signal name
Fuse No.
3
ACC power supply
65 (10A)
A/C and AV switch assembly
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M98
3
—
Ignition switch: ACC
Battery voltage
A/C and AV switch assembly
AV control unit
Continuity
Connector
Terminal
Connector
Terminal
M98
9
M164
98
Yes
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-553
< 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
>> Inspection End.
NO
>> Repair or replace harness or connectors.
VIDEO DISTRIBUTOR
VIDEO DISTRIBUTOR : Diagnosis Procedure
INFOID:0000000009174767
Regarding Wiring Diagram information, refer to
.
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 video distributor connector B24.
3. Check voltage between video distributor connector B24 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 video distributor connector B24 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
HEADREST DISPLAY UNIT
A/C and AV switch assembly
Ground
Continuity
Connector
Terminal
M98
1
—
Yes
Terminal No.
Signal name
Fuse No.
2
ACC power supply
65 (10A)
4
Battery power supply
15 (15A)
Video distributor
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
B24
2
—
Ignition switch: ACC
Battery voltage
4
Ignition switch: OFF
Video distributor
Ground
Continuity
Connector
Terminal
B24
1
—
Yes
3
AV-554
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
HEADREST DISPLAY UNIT : Diagnosis Procedure
INFOID:0000000009174768
Regarding Wiring Diagram information, refer to
.
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. Disconnect headrest display unit connector.
2. Check voltage between headrest display unit connector 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 headrest display unit connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
AROUND VIEW MONITOR CONTROL UNIT
AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009174769
Regarding Wiring Diagram information, refer to
.
Terminal No.
Signal name
Fuse No.
15
Battery power supply
15 (15A)
16
Headrest displayl unit
Ground
Voltage
(Approx.)
Connector
Terminal
B223 (driver seat)
15
—
Battery voltage
16
B317 (passenger seat)
15
16
Headrest displayl unit
Ground
Continuity
Connector
Terminal
B223 (driver seat)
12
—
Yes
31
32
B317 (passenger seat)
28
31
32
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