Nissan Pathfinder. Manual — part 80
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-147
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
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.
BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009174472
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 Bluetooth
®
control unit connector B3.
3. Check voltage between Bluetooth
®
control unit connector B3 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 Bluetooth
®
control unit connector B3 and ground.
Satellite radio tuner
Ground
Continuity
Connector
Terminal
B2
35
—
Yes
Terminal No.
Signal name
Fuse No.
1
Battery power supply
15 (15A)
2
ACC power supply
65 (10A)
3
Ignition signal
30 (10A)
Bluetooth
®
control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
B3
1
—
Ignition switch: OFF
Battery voltage
2
Ignition switch: ACC
3
Ignition switch: ON
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B3
4
—
Yes
20
22
24
27
AV-148
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
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:0000000009174473
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 M124.
3. Check continuity between A/C and AV switch assembly connector M98 terminal 9 and AV control unit con-
nector M124 terminal 10.
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.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
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
M124
10
Yes
A/C and AV switch assembly
Ground
Continuity
Connector
Terminal
M98
1
—
Yes
AV
FRONT DOOR SPEAKER
AV-149
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009174474
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the AV control unit 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 DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M125 and suspect front door speaker connector.
2. Check continuity between AV control unit connector M125 and suspect front door speaker connector.
3. Check continuity between AV control unit connector M125 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT DOOR SPEAKER SIGNAL
1. Connect AV control unit connector M125 and suspect front door speaker connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check the signal between the terminals of AV control unit connector M125.
AV control unit
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M125
34
D12 (LH)
1
Yes
35
2
43
D112 (RH)
1
44
2
AV control unit
Ground
Continuity
Connector
Terminal
M125
34
—
No
35
43
44
AV control unit connector M125
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-150
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
FRONT DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-192, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-187, "Removal and Installation"
.
34
35
Audio signal output
43
44
SKIB3609E
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