Nissan Pathfinder. Manual — part 176
AV
U1264 ANTENNA AMP.
AV-531
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1264 ANTENNA AMP.
DTC Logic
INFOID:0000000009174738
Diagnosis Procedure
INFOID:0000000009174739
Regarding Wiring Diagram information, refer to
.
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA BASE
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M155 and antenna base connector M502.
3. Check continuity between AV control unit connector M155 and antenna base connector M502.
4. Check continuity between AV control unit connector M155 and ground.
Is the 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 M155.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M155 and ground.
Is the inspection result normal?
YES
>> Replace antenna base. Refer to
AV-638, "Removal and Installation"
.
NO
>> Replace AV control unit. Refer to
AV-611, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
ANTENNA AMP TERMINAL
[U1264]
Antenna amp. ON signal circuit open or short cir-
cuited.
Antenna amp. ON signal circuit between AV con-
trol unit and antenna amp.
AV control unit
Antenna base
Continuity
Connector
Terminal
Connector
Terminal
M155
126
M502
1
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M155
126
—
No
AV control unit
Ground
Voltage
(Approx.)
(+)
(–)
Connector
Terminal
M155
126
—
Battery voltage
AV-532
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
U1265 BOSE AMP.
U1265 BOSE AMP.
DTC Logic
INFOID:0000000009174740
Diagnosis Procedure
INFOID:0000000009174741
Regarding Wiring Diagram information, refer to
.
1.
CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M161 and Bose speaker amp. connector B130.
3. Check continuity between AV control unit connector M161 and Bose speaker amp. connector B130.
4. Check continuity between AV control unit connector M161 and ground.
Is the 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 M161.
2. Turn ignition switch ON.
3. Check voltage between AV control unit connector M161 and ground.
Is the inspection result normal?
YES
>> Replace Bose speaker amp. Refer to
AV-618, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-611, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
AMP ON TERMINAL
[U1265]
BOSE amp. ON signal circuit open or short cir-
cuited.
BOSE amp. ON signal circuit between AV control
unit and BOSE speaker amp.
AV control unit
Bose speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M161
1
B130
60
Yes
AV control unit
Ground
Continuity
Connector
Terminal
M161
1
—
No
AV control unit
Ground
Voltage
(Approx.)
(+)
(–)
Connector
Terminal
M161
1
—
Battery voltage
AV
U1300 AV COMM CIRCUIT
AV-533
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
U1300 AV COMM CIRCUIT
Description
INFOID:0000000009174742
U1300 is indicated when a malfunction occurs in the communication signal of the multi AV system. Indicated
simultaneously, without fail, the malfunction of control units connected to the AV control unit through communi-
cation circuits. Determine the possible malfunction cause from the table below.
SELF DIAGNOSTIC RESULT DISPLAY ITEM
CONSULT Display
DTC Detection Condition
Possible Cause
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
When any of the following is detected:
• A/C and AV switch assembly power supply or
ground circuit malfunction.
• AV communication circuit malfunction between AV
control unit and A/C and AV switch assembly.
• A/C and AV switch assembly power supply and
ground circuits.
Refer to
AV-552, "A/C AND AV SWITCH ASSEM-
• AV communication circuits between AV control
unit and A/C and AV switch assembly.
• AV COMM CIRCUIT
[U1300]
• AMP CONN
[U124E]
When any of the following is detected:
• BOSE speaker amp. power supply or ground circuit
malfunction.
• AV communication circuits between AV control unit
and BOSE speaker amp. are malfunctioning.
• BOSE speaker amp. power supply and ground cir-
cuits.
Refer to
AV-550, "BOSE AMP. : Diagnosis Proce-
• AV communication circuits between AV control
unit and BOSE speaker amp.
• AV COMM CIRCUIT
[U1300]
• VIDEO DIST CONN
[U1246]
When any of the following is detected:
• video distributor power supply or ground circuit mal-
function.
• headrest display unit (driver seat) power supply or
ground circuit malfunction.
• AV communication circuit malfunction between AV
control unit and headrest display unit (driver seat).
• Video distributor power supply and ground cir-
cuits.
Refer to
AV-553, "VIDEO DISTRIBUTOR : Diag-
• Headrest display unit (driver seat) power supply
and ground circuits.
Refer to
AV-554, "HEADREST DISPLAY UNIT :
.
• AV communication circuits between AV control
unit and headrest display unit (driver seat).
• AV COMM CIRCUIT
[U1300]
• AROUND CAMERA
CONN
[U125B]
When any of the following is detected:
• around view monitor control unit power supply or
ground circuit malfunction.
• AV communication circuit malfunction between AV
control unit and around view monitor control unit.
• Around view monitor control unit power supply
and ground circuits.
Refer to
CONTROL UNIT : Diagnosis Procedure"
• AV communication circuits between AV control
unit and around view monitor control unit.
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
• AROUND CAMERA
CONN
[U125B]
• VIDEO DIST CONN
[U1246]
AV communication circuit malfunction between AV
control unit and A/C and AV switch assembly.
AV communication circuits between AV control unit
and A/C and AV switch assembly.
• AV COMM CIRCUIT
[U1300]
• SWITCH CONN
[U1240]
• AMP CONN
[U124E]
• AROUND CAMERA
CONN
[U125B]
• VIDEO DIST CONN
[U1246]
AV-534
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM AUDIO WITH NAVIGATION]
U1302 CAMERA POWER VOLT
U1302 CAMERA POWER VOLT
DTC Logic
INFOID:0000000009174743
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009174744
Regarding Wiring Diagram information, refer to
.
1.
CHECK CAMERA DATA MONITOR
Check CAMERA IMAGE SIG, CAMERA COMM STATUS and CAMERA COMM LINE for each camera in
“DATA MONITOR” of “AVM”.
Is “OK” displayed for all cameras?
YES
>> Refer to
GI-49, "Intermittent Incident"
.
NO-1 (Front camera)>>GO TO 2.
NO-2 (Rear camera)>>GO TO 4.
NO-3 (LH side camera)>>GO TO 6.
NO-4 (RH side camera)>>GO TO 8.
2.
CHECK FRONT CAMERA POWER SUPPLY AND POWER SUPPLY GROUND CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect around view monitor control unit connector M96 and camera connectors.
3. Check continuity between around view monitor control unit connector M96 and front camera connector
E226.
4. Check continuity between around view monitor control unit connector M96 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK AROUND VIEW MONITOR CONTROL UNIT VOLTAGE
1. Connect around view monitor control unit connector M96 and front camera connector E226.
2. Turn ignition switch ON.
3. Check the voltage between the terminals of around view monitor control unit connector M96.
CONSULT Display
DTC Detection Condition
Possible Cause
CAMERA SUPPLY POWER
SUPPLY VOLTAGE ABNOR-
MALITY
[U1302]
Short in camera power circuit.
• Harness or connectors.
• Camera.
• Around view monitor control unit.
Around view monitor control unit
Front camera
Continuity
Connector
Terminal
Connector
Terminal
M96
38
E226
1
Yes
37
2
Around view monitor control unit
Ground
Continuity
Connector
Terminal
M96
37
—
No
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст