Nissan Xterra. Instruction — part 24
AV-88
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect microphone connector and Bluetooth
®
control unit connector B141.
3. Check continuity between microphone connector R8 and Bluetooth
®
control unit connector B141.
4. Check continuity between microphone connector R8 and ground.
Is the inspection result normal?
YES
>> Replace the Bluetooth
®
AV-113, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone connector and Bluetooth
®
control unit connector B141.
3. Check continuity between microphone connector R8 and Bluetooth
®
control unit connector B141.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Microphone
Bluetooth
®
control unit
Continuity
Connector
Terminal
Connector
Terminal
R8
4
B141
29
Yes
Microphone
—
Continuity
Connector
Terminal
R8
4
Ground
No
Microphone
Bluetooth
®
control unit
Continuity
Connector
Terminal
Connector
Terminal
R8
2
B141
8
Yes
AV
FRONT DOOR SPEAKER
AV-89
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009485186
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the audio 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 audio unit connector M44 and suspect front door speaker connector.
2. Check continuity between audio unit connector M44 and suspect front door speaker connector.
3. Check continuity between audio unit connector M44 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 audio unit connector M44 and suspect front door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M44.
Audio unit
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
M44
2
D12 (LH)
1
Yes
3
2
11
D112 (RH)
1
12
2
Audio unit
Ground
Continuity
Connector
Terminal
M44
2
—
No
3
11
12
Audio unit connector M44
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-90
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
FRONT DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-110, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-108, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV
FRONT TWEETER
AV-91
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000009485187
Regarding Wiring Diagram information, refer to
1.
CONNECTOR CHECK
Check the audio 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 audio unit connector M44 and suspect front tweeter connector.
2. Check continuity between audio unit connector M44 and suspect front tweeter connector.
3. Check continuity between audio unit connector M44 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 audio unit connector M44 and suspect front tweeter connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M44.
Audio unit
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
M44
2
M109 (LH)
1
Yes
3
2
11
M111 (RH)
1
12
2
Audio unit
Ground
Continuity
Connector
Terminal
M44
2
—
No
3
11
12
Audio unit connector M44
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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