Nissan Xterra. Instruction — part 25
AV-92
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
FRONT TWEETER
Is the inspection result normal?
YES
>> Replace front tweeter. Refer to
AV-109, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-108, "Removal and Installation"
.
2
3
Audio signal output
11
12
SKIB3609E
AV
REAR DOOR SPEAKER
AV-93
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009485188
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 rear door speaker connector.
2. Check continuity between audio unit connector M44 and suspect rear 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 rear 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
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
M44
4
D207 (LH)
1
Yes
5
2
13
D307 (RH)
1
14
2
Audio unit
Ground
Continuity
Connector
Terminal
M44
4
—
No
5
13
14
Audio unit connector M44
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-94
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
REAR DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-111, "Removal and Installation"
NO
>> Replace audio unit. Refer to
AV-108, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV
STEERING SWITCH
AV-95
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009485189
Regarding Wiring Diagram information, refer to
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Disconnect combination switch connector M102.
2. Check resistance between combination switch connector terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace steering wheel audio control switches. Refer to
AV-112, "Removal and Installation"
2.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND COMBINATION SWITCH
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B141 and combination switch connector M30.
3. Check continuity between Bluetooth
®
control unit connector B141 and combination switch connector M30.
4. Check continuity between Bluetooth
®
control unit connector B141 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
SPIRAL CABLE CHECK
Check continuity between combination switch connectors M30 and M102.
Combination switch connector M102
Condition
Resistance (
Ω)
(Approx.)
Terminal
Terminal
16
18
Depress VOL DOWN switch.
1
Depress VOL UP switch.
121
Depress
switch.
321
15
Depress MODE switch.
1
Depress
switch.
121
Depress
switch.
321
Depress
switch.
723
Bluetooth
®
control unit
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
B141
12
M30
24
Yes
13
25
14
31
Bluetooth
®
control unit
—
Continuity
Connector
Terminal
B141
12
Ground
No
13
14
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