Nissan Pathfinder. Manual — part 86
AV
AUX IMAGE SIGNAL CIRCUIT
AV-171
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-187, "Removal and Installation"
.
NO
>> Replace front auxiliary input jacks. Refer to
AV-196, "Removal and Installation"
Front auxiliary input jacks
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M205
7
—
AUX image displayed.
SKIB2251J
AV-172
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
CAMERA IMAGE SIGNAL CIRCUIT
CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174489
Regarding Wiring Diagram information, refer to
1.
CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M137 and rear view camera connector.
3. Check continuity between AV control unit connector M137 terminal 87 and rear view camera connector
D504 terminal 1.
4. Check continuity between AV control unit connector M137 terminal 87 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK CAMERA POWER SUPPLY VOLTAGE
1. Connect AV control unit connector M137 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to “R”.
4. Check voltage between AV control unit connector M137 terminal 87 and ground.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace AV control unit. Refer to
AV-187, "Removal and Installation"
.
3.
CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M137 and rear view camera connector.
3. Check continuity between AV control unit connector M137 terminal 82 and rear view camera connector
D504 terminal 3.
4. Check continuity between AV control unit connector M137 terminal 82 and ground.
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M137
87
D504
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M137
87
No
AV control unit
Ground
Condition
Voltage
(Approx.)
(+)
(
−)
Connector
Terminal
M137
87
—
Selector lever is in “R”.
6.0 V
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M137
82
D504
3
Yes
AV
CAMERA IMAGE SIGNAL CIRCUIT
AV-173
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connectors.
4.
CHECK CAMERA GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M137 terminal 88 and rear view camera connector D504
terminal 2.
Is inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK CAMERA IMAGE SIGNAL
1. Connect AV control unit connector M137 and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to “R”.
4. Check signal between AV control unit connector M137 terminal 82 and ground.
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-187, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-200, "Removal and Installation"
.
AV control unit
Ground
Continuity
Connector
Terminal
M137
82
No
AV control unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M137
88
D504
2
Yes
AV control unit
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M137
82
—
Camera image dis-
played.
SKIB2251J
AV-174
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITHOUT BOSE]
DISK EJECT SIGNAL CIRCUIT
DISK EJECT SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174490
Regarding Wiring Diagram information, refer to
1.
CHECK DISK EJECT SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M124 and A/C and AV switch assembly connector.
3. Check continuity between AV control unit connector M124 terminal 28 and A/C and AV switch assembly
connector M98 terminal 14.
4. Check continuity between AV control unit connector M124 terminal 28 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector M124 and A/C and AV switch assembly connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M124 terminal 28 and ground.
Is the inspection result normal?
YES
>> Replace A/C and AV switch assembly. Refer to
AV-189, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-187, "Removal and Installation"
.
AV control unit
A/C and AV switch assembly
Continuity
Connector
Terminal
Connector
Terminal
M124
28
M98
14
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M124
28
No
AV control unit
Ground
Condition
Voltage
(Approx.)
(+)
(
−)
Connector
Terminal
M124
28
—
Pressing eject switch
0 V
Except above
5.0 V
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