Nissan Sentra. Manual — part 71
AV-276
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
REAR SPEAKER
Is the inspection result normal?
YES
>> Replace rear speaker. Refer to
AV-301, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
4
5
Audio signal output
13
14
SKIB3609E
AV
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
AV-277
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009758978
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 M104 and ground.
Is 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 M104 and rear view camera connector.
3. Check continuity between AV control unit connector M104 and rear view camera connector B30.
4. Check continuity between AV control unit connector M104 and ground.
Is 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 M104 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 M104 and ground.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
AV control unit
Ground
Condition
Voltage
(Approx.)
(+)
(
−)
Connector
Terminal
M104
28
—
Selector lever in R (re-
verse)
Battery Voltage
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M104
36
B30
4
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M104
36
No
AV control unit
Ground
Condition
Voltage
(Approx.)
(+)
(
−)
Connector
Terminal
M104
36
—
Selector lever is in “R”.
6.0 V
AV-278
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
4.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M104 and rear view camera connector.
3. Check continuity between AV control unit connector M104 and rear view camera connector B30.
4. Check continuity between AV control unit connector M104 terminal 34 and ground.
Is inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK CAMERA GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M104 and rear view camera connector B30.
Is inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK CAMERA IMAGE SIGNAL
1. Connect AV control unit connector M104 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to R (reverse).
4. Check signal between AV control unit connector M104 and ground.
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-312, "Removal and Installation"
.
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M104
34
B30
2
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M104
34
No
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M104
33
B30
1
Yes
AV control unit
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M104
34
—
Camera image dis-
played.
SKIB2251J
AV
MICROPHONE SIGNAL CIRCUIT
AV-279
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009758979
Regarding Wiring Diagram information, refer to
.
1.
CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M104 and microphone connector R4.
3. Check continuity between AV control unit connector M104 and microphone connector R4.
4. Check continuity between AV control unit connector M104 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK MICROPHONE VCC VOLTAGE
1. Connect AV control unit connector M104.
2. Turn ignition switch ON.
3. Check voltage between terminals of AV control unit connector M104.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace AV control unit. Refer to
AV-298, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
1. Connect microphone connector.
2. Check signal between terminals of AV control unit connector M104.
AV control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M104
41
R4
2
Yes
42
4
43
1
AV control unit
Ground
Continuity
Connector
Terminal
M97
41
—
No
42
43
AV control unit connector M104
Voltage
(Approx.)
(+)
(
−)
Terminal
Terminal
42
41
5.0 V
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