Nissan Pathfinder. Manual — part 129
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-343
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
C
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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174607
Regarding Wiring Diagram information, refer to
.
1.
CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M45 and display unit connector.
3. Check continuity between AV control unit connector M45 terminal 62 and display unit connector M93 ter-
minal 8.
4. Check continuity between AV control unit connector M45 terminal 62 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1. Connect AV control unit connector M45 and display unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit connector M93 terminal 8 and ground.
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-365, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-369, "Removal and Installation"
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M45
62
M93
8
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M45
62
No
Display unit
Ground
Reference value
(+)
(
−)
Connector
Terminal
M93
8
—
SKIB3601E
AV-344
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174608
Regarding Wiring Diagram information, refer to
.
1.
CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M45 and display unit connector.
3. Check continuity between AV control unit connector M45 terminal 74 and display unit connector M93 ter-
minal 20.
4. Check continuity between AV control unit connector M45 terminal 74 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect AV control unit connector M45 and display unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit connector M93 terminal 20 and ground.
Is inspection result normal?
YES
>> Replace AV control unit. Refer to
AV-365, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-369, "Removal and Installation"
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M45
74
M93
20
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M45
74
No
Display unit
Ground
Reference value
(+)
(
−)
Connector
Terminal
M93
20
—
SKIB3598E
AV
COMPOSITE IMAGE SIGNAL CIRCUIT
AV-345
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
C
D
E
F
G
H
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M
B
A
O
P
COMPOSITE IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009174609
Regarding Wiring Diagram information, refer to
.
1.
CHECK COMPOSITE IMAGE SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M45 and display unit connector.
3. Check continuity between AV control unit connector M45 terminal 53 and display unit connector M93 ter-
minal 15.
4. Check continuity between AV control unit connector M45 terminal 53 and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK COMPOSITE IMAGE SIGNAL GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M45 terminal 54 and display unit connector M93 terminal
4.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK COMPOSITE IMAGE SIGNAL
1. Connect AV control unit connector M45 and display unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit connector M93 terminal 15 and ground.
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M45
53
M93
15
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M45
53
No
AV control unit
Display unit
Continuity
Connector
Terminal
Connector
Terminal
M45
54
M93
4
Yes
Display unit
Ground
Condition
Reference value
(+)
(
−)
Connector
Terminal
M93
15
—
Camera image dis-
played.
SKIB2251J
AV-346
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO WITH BOSE]
COMPOSITE IMAGE SIGNAL CIRCUIT
Is inspection result normal?
YES
>> Replace display unit. Refer to
AV-369, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-365, "Removal and Installation"
.
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