Nissan Frontier. Manual — part 53
AV-204
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
FRONT TWEETER
FRONT TWEETER
Diagnosis Procedure
INFOID:0000000009482155
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the audio 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 FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio amplifier connector B159 and suspect front tweeter connector.
2. Check continuity between audio amplifier connector B159 and suspect front 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 FRONT TWEETER SIGNAL
1. Connect audio amplifier connector B159 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 amplifier connector B159.
Audio amplifier
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
B159
14
M109 (LH)
1
Yes
30
2
13
M111 (RH)
1
29
2
Audio amplifier
Ground
Continuity
Connector
Terminal
B159
14
—
No
30
13
29
Audio amplifier connector B159
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV
FRONT TWEETER
AV-205
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace front tweeter. Refer to
AV-235, "Removal and Installation"
.
NO
>> GO TO 4.
4.
CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M46 and audio amplifier connector B159.
2. Check continuity between audio unit connector M46 and audio amplifier connector B159.
3. Check continuity between audio unit connector M46 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 audio unit connector M46 and audio amplifier connector B159.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M46.
Is the inspection result normal?
14
30
Audio signal output
13
29
SKIA0177E
Audio unit
Audio amplifier
Continuity
Connector
Terminal
Connector
Terminal
M46
2
B159
22
Yes
3
6
11
21
12
5
Audio unit
Ground
Continuity
Connector
Terminal
M46
2
—
No
3
11
12
Audio unit connector M46
Condition
Reference value
(+)
(
−)
Terminal
Terminal
2
3
Audio signal output
11
12
SKIA0177E
AV-206
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
FRONT TWEETER
YES
>> Replace audio amplifier. Refer to
AV-234, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-233, "Removal and Installation"
.
AV
REAR DOOR SPEAKER
AV-207
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009482156
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR CHECK
Check the audio 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 DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio amplifier connector B159 and suspect rear door speaker connector.
2. Check continuity between audio amplifier connector B159 and suspect rear door speaker 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 DOOR SPEAKER SIGNAL
1. Connect audio amplifier connector B159 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 amplifier connector B159.
Audio amplifier
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
B159
11
D207 (LH)
1
Yes
27
2
12
D307 (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
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