Nissan Pathfinder. Manual — part 131
AV
DISK EJECT SIGNAL CIRCUIT
AV-351
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
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DISK EJECT SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174612
Regarding Wiring Diagram information, refer to
.
1.
CHECK DISK EJECT SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M42 and A/C and AV switch assembly connector.
3. Check continuity between AV control unit connector M42 terminal 28 and A/C and AV switch assembly
connector M98 terminal 14.
4. Check continuity between AV control unit connector M42 terminal 28 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M42 and A/C and AV switch assembly connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M42 terminal 28 and ground.
Is the inspection result normal?
YES
>> Replace A/C and AV switch assembly. Refer to
AV-367, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-365, "Removal and Installation"
.
AV control unit
A/C and AV switch assembly
Continuity
Connector
Terminal
Connector
Terminal
M42
28
M98
14
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M42
28
No
AV control unit
Ground
Condition
Voltage
(Approx.)
(+)
(
−)
Connector
Terminal
M42
28
—
Pressing eject switch
0 V
Except above
5.0 V
AV-352
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174613
Regarding Wiring Diagram information, refer to
.
1.
CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B3 and microphone connector.
3. Check continuity between Bluetooth
®
control unit connector B3 terminals 7, 8, 29 and microphone con-
nector R109 terminals 6, 5, 3.
4. Check continuity between Bluetooth
®
control unit connector B3 terminals 7, 8, 29 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK MICROPHONE VCC VOLTAGE
1. Connect Bluetooth
®
control unit connector B3.
2. Turn ignition switch ON.
3. Check the voltage between the terminals of Bluetooth
®
control unit connector B3.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace Bluetooth
®
control unit. Refer to
AV-382, "Removal and Installation"
3.
CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check the signal between the terminals of Bluetooth
®
control unit connector B3.
Bluetooth
®
control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
B3
7
R109
6
Yes
8
5
29
3
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B3
7
—
No
8
29
Bluetooth
®
control unit connector B3
Voltage
(Approx.)
(+)
(
−)
Terminal
Terminal
29
8
5.0 V
AV
MICROPHONE SIGNAL CIRCUIT
AV-353
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
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Is the inspection result normal?
YES
>> Replace Bluetooth
®
control unit. Refer to
AV-382, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-383, "Removal and Installation"
.
Bluetooth
®
control unit connector B3
Condition
Reference value
(+)
(
−)
Terminal
Terminal
7
8
Speak into microphone.
PKIB5037J
AV-354
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
BLUETOOTH® CONTROL SIGNAL CIRCUIT
BLUETOOTH® CONTROL SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174614
1.
CHECK CONTROL SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B3.
3. Check continuity between Bluetooth
®
control unit connector B3 terminals 20, 24 and ground.
Is the inspection result normal?
YES
>> Replace Bluetooth
®
control unit. Refer to
AV-382, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B3
20
—
Yes
24
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