Nissan Frontier. Manual — part 54
AV-208
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
REAR DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace rear door speaker. Refer to
AV-237, "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?
11
27
Audio signal output
12
28
SKIA0177E
Audio unit
Audio amplifier
Continuity
Connector
Terminal
Connector
Terminal
M46
4
B159
24
Yes
5
8
13
23
14
7
Audio unit
Ground
Continuity
Connector
Terminal
M46
4
—
No
5
13
14
Audio unit connector M46
Condition
Reference value
(+)
(
−)
Terminal
Terminal
4
5
Audio signal output
13
14
SKIA0177E
AV
REAR DOOR SPEAKER
AV-209
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
YES
>> Replace audio amplifier. Refer to
AV-234, "Removal and Installation"
.
NO
>> Replace audio unit. Refer to
AV-233, "Removal and Installation"
.
AV-210
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
REAR TWEETER
REAR TWEETER
Diagnosis Procedure
INFOID:0000000009482157
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 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 audio 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-211
< 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 rear tweeter. Refer to
AV-238, "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?
11
27
Audio signal output
12
28
SKIA0177E
Audio unit
Audio amplifier
Continuity
Connector
Terminal
Connector
Terminal
M46
4
B159
24
Yes
5
8
13
23
14
7
Audio unit
Ground
Continuity
Connector
Terminal
M46
4
—
No
5
13
14
Audio unit connector M46
Condition
Reference value
(+)
(
−)
Terminal
Terminal
4
5
Audio signal output
13
14
SKIA0177E
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