Nissan Frontier. Instruction — part 51
AV-196
< BASIC INSPECTION >
[DISPLAY AUDIO WITH AMPLIFIER]
DIAGNOSIS AND REPAIR WORKFLOW
Is malfunctioning part detected?
YES
>> GO TO 4
NO
>> GO TO 2
4.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure.
>> GO TO 5
5.
FINAL CHECK
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Was the repair confirmed?
YES
>> Inspection End.
NO
>> GO TO 2
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-197
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000009482150
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M46.
3. Check voltage between audio unit connector M46 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1. Disconnect audio unit connector M65.
2. Check continuity between audio unit connectors and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
AUDIO AMP
AUDIO AMP : Diagnosis Procedure
INFOID:0000000009482151
Regarding Wiring Diagram information, refer to
.
Terminal No.
Signal name
Fuse No.
7
ACC power supply
4 (10A)
19
Battery power supply
29 (20A)
Audio unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M46
7
—
Ignition switch: ON
Battery voltage
19
Ignition switch: OFF
Audio unit
Ground
Continuity
Connector
Terminal
M46
20
—
Yes
M65
46
47
AV-198
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio amplifier connector B158.
3. Check voltage 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 GROUND CIRCUIT
Check continuity between audio amplifier connector B158 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure
INFOID:0000000009482152
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
Terminal No.
Signal name
Fuse No.
1
Battery power supply
17 (15A)
17
Audio amplifier
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
B158
1
—
Ignition switch: OFF
Battery voltage
17
Audio amplifier
Ground
Continuity
Connector
Terminal
B158
4
—
Yes
20
Terminal No.
Signal name
Fuse No.
1
Battery power supply
29 (20A)
2
ACC power supply
4 (10A)
3
Ignition power supply
12 (10A)
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-199
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO WITH AMPLIFIER]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Bluetooth
®
control unit connector B141.
3. Check voltage 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.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between Bluetooth
®
control unit connector B141 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000009482153
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between microphone connector R8 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT CONTINUITY
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.
Bluetooth
®
control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
B141
1
—
Ignition switch: OFF
Battery voltage
2
Ignition switch: ON
3
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B141
4
—
Yes
21
Microphone
Ground
Value (Approx.)
Connector
Terminal
R8
4
—
5V
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