Nissan Frontier. Instruction — part 52
AV-200
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
POWER SUPPLY AND GROUND CIRCUIT
4. Check continuity between microphone connector R8 and ground.
Is the inspection result normal?
YES
>> Replace the Bluetooth
®
AV-151, "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-201
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Diagnosis Procedure
INFOID:0000000009482154
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 DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio amplifier connector B159 and suspect front door speaker connector.
2. Check continuity between audio amplifier connector B159 and suspect front 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 FRONT DOOR SPEAKER SIGNAL
1. Connect audio amplifier connector B159 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 amplifier connector B159.
Audio amplifier
Front door speaker
Continuity
Connector
Terminal
Connector
Terminal
B159
15
D12 (LH)
1
Yes
31
2
16
D112 (RH)
1
32
2
Audio amplifier
Ground
Continuity
Connector
Terminal
B159
15
—
No
31
16
32
Audio amplifier connector B159
Condition
Reference value
(+)
(
−)
Terminal
Terminal
AV-202
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
FRONT DOOR SPEAKER
Is the inspection result normal?
YES
>> Replace front door speaker. Refer to
AV-236, "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?
15
31
Audio signal output
16
32
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
FRONT DOOR SPEAKER
AV-203
< 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"
.
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