Nissan Frontier. Manual — part 81
AV-316
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
REAR TWEETER
REAR TWEETER
Diagnosis Procedure
INFOID:0000000009482236
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control unit, audio amplifier 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 REAR TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio amplifier connector B159 and suspect rear tweeter connector.
2. Check continuity between audio amplifier connector B159 and suspect rear tweeter connector.
3. Check continuity between audio amplifier connector B159 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR TWEETER SIGNAL
1. Connect audio amplifier connector B159 and suspect rear tweeter connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of audio amplifier connector B159.
Audio amplifier
Rear tweeter
Continuity
Connector
Terminal
Connector
Terminal
B159
11
D208 (LH)
1
Yes
27
2
12
D308 (RH)
1
28
2
Audio amplifier
Ground
Continuity
Connector
Terminal
B159
11
—
No
27
12
28
Audio amplifier connector B159
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
REAR TWEETER
AV-317
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace rear tweeter. Refer to
AV-353, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M96 and audio amplifier connector B159.
2. Check continuity between AV control unit connector M96 and audio amplifier connector B159.
3. Check continuity between AV control unit connector M96 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK PRE-AMP SIGNAL
1. Connect AV control unit connector M96 and audio amplifier connector B159.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M96.
Is the inspection result normal?
11
27
Audio signal output
12
28
SKIA0177E
AV control unit
Audio amplifier
Continuity
Connector
Terminal
Connector
Terminal
M96
4
B159
24
Yes
5
8
13
23
14
7
AV control unit
Ground
Continuity
Connector
Terminal
M96
4
—
No
5
13
14
AV control unit connector M96
Condition
Reference value
(+)
(
−)
Terminal
Terminal
4
5
Audio signal output
13
14
SKIA0177E
AV-318
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
REAR TWEETER
YES
>> Replace audio amplifier. Refer to
AV-349, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
AV
SUBWOOFER
AV-319
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SUBWOOFER
Diagnosis Procedure
INFOID:0000000009482237
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the AV control unit, audio amplifier and subwoofer 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 SUBWOOFER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio amplifier connector B158 and subwoofer connector.
2. Check continuity between audio amplifier connector B158 and subwoofer connector.
3. Check continuity between audio amplifier connector B158 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK SUBWOOFER SIGNAL
1. Connect audio amplifier connector B158 and subwoofer connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of audio amplifier connector B158.
Audio amplifier
Subwoofer
Continuity
Connector
Terminal
Connector
Terminal
B158
2
B72
1
Yes
18
2
3
3
19
4
Audio amplifier
Ground
Continuity
Connector
Terminal
B158
2
—
No
18
3
19
Audio amplifier connector B158
Condition
Reference value
(+)
(
−)
Terminal
Terminal
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