Nissan Frontier. Instruction — part 82
AV-320
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
SUBWOOFER
Is the inspection result normal?
YES
>> Replace subwoofer. Refer to
AV-354, "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?
2
18
Audio signal output
3
19
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
SUBWOOFER
AV-321
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
YES
>> Replace audio amplifier. Refer to
AV-349, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
AV-322
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
AMP ON SIGNAL CIRCUIT
AMP ON SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009482238
Regarding Wiring Diagram information, refer to
.
1.
CHECK AUDIO AMPLIFIER AMP ON SIGNAL
1. Turn audio system ON.
2. Check voltage between audio amplifier connector B159 and ground.
Is inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK AV CONTROL UNIT AMP ON SIGNAL
Check voltage between AV control unit connector M96 and ground.
Is inspection result normal?
YES
>> Repair or replace harness or connectors.
NO
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
Audio amplifier
Ground
Voltage
(Approx.)
Connector
Terminal
B159
9
—
Greater than 6.5 V
AV control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M96
1
—
Greater than 6.5 V
AV
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
AV-323
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009482239
Regarding Wiring Diagram information, refer to
.
1.
CHECK REVERSE INPUT SIGNAL
1. Turn ignition switch ON.
2. Shift the selector lever to R (reverse).
3. Check voltage between AV control unit connector M97 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M97 and rear view camera connector.
3. Check continuity between AV control unit connector M97 and rear view camera connector C251.
4. Check continuity between AV control unit connector M97 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK CAMERA POWER SUPPLY VOLTAGE
1. Connect AV control unit connector M97 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check voltage between AV control unit connector M97 and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
AV-348, "Removal and Installation"
.
4.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M97
28
—
Selector lever in R (re-
verse)
Battery Voltage
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M97
34
C251
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M97
34
No
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M97
34
—
Selector lever is in “R”.
6.0 V
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