Infiniti EX35. Manual — part 187
AV
U1243 DISPLAY UNIT
AV-529
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
3.
Check signal between display unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK COMMUNICATION SIGNAL
Check signal between display unit harness connector and ground.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace display unit.
(+)
(
−
)
Signal
Display unit
Connector
Terminal
M75
11
Ground
PKIB5039J
(+)
(
−
)
Signal
Display unit
Connector
Terminal
M75
22
Ground
PKIB5039J
AV-530
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1244 GPS ANTENNA
U1244 GPS ANTENNA
Description
INFOID:0000000003160682
DTC Logic
INFOID:0000000003160683
Diagnosis Procedure
INFOID:0000000003160684
1.
GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect GPS antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit terminal and ground.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit.
Part name
Description
GPS ANTENNA
GPS signal is received and sent to AV control unit.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1244
GPS ANTENNA CONN
[U1244]
GPS antenna connection malfunction is detected
GPS antenna disconnection
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Terminal
110
Ground
5.0 V
AV
U1250 CAMERA CONTROL UNIT
AV-531
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
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M
B
A
O
P
U1250 CAMERA CONTROL UNIT
Description
INFOID:0000000003160688
DTC Logic
INFOID:0000000003160689
Diagnosis Procedure
INFOID:0000000003160690
1.
CHECK CAMERA-CONNECTION RECOGNITION SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and camera control unit connector.
3.
Check continuity between AV control unit harness connector and camera control unit harness connector.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> Replace camera control unit.
NO
>> Replace AV control unit.
Part name
Description
CAMERA CONTROL UNIT
• Camera image signal is input from rear view camera, and camera image is in-
dicated on the display.
• Power (camera ON signal) is sent to rear view camera.
• Controlled by AV communication sent from AV control unit.
• AV control unit recognizes the presence of camera system with camera con-
nection recognition signal.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1250
CAMERA CONT. CONN
[U1250]
A malfunction is detected in Camera-connection recogni-
tion signal circuit
Camera-connection recognition sig-
nal circuit
AV control unit
Camera control unit
Continuity
Connector
Terminal
Connector
Terminal
M87
40
B50
14
Existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
M87
40
Ground
5.0 V
AV-532
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
U1258 SATELLITE RADIO ANTENNA
U1258 SATELLITE RADIO ANTENNA
Description
INFOID:0000000003160691
DTC Logic
INFOID:0000000003160692
Diagnosis Procedure
INFOID:0000000003160693
1.
SATELLITE RADIO ANTENNA CHECK
Visually check satellite radio antenna and antenna feeder.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunctioning parts.
2.
CHECK AV CONTROL UNIT VOLTAGE
1.
Disconnect satellite radio antenna connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit terminal and ground.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace AV control unit.
Part name
Description
SATELLITE RADIO ANTENNA
Satellite radio signal is received and sent to AV control unit.
DTC
Display contents of
CONSULT-III
DTC Detection Condition
Possible causes
U1258
XM ANTENNA CONN
[U1258]
Satellite radio antenna connection malfunction is detected
Satellite radio antenna disconnection
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Terminal
108
Ground
5.0 V
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