Infiniti FX35 / FX45. Manual — part 148
AV-46
< SERVICE INFORMATION >
ANTENNA
ANTENNA
System Description
INFOID:0000000001328702
With the ignition switch in ACC or ON, power is supplied
• through 10A fuse [No. 6, located in the fuse block (J/B)]
• to audio unit terminal 10.
Ground is supplied through the case of the antenna amp.
When the radio switch is turned ON, antenna signal is supplied
• through audio unit terminal 5
• to the antenna amp.
Then the antenna amp. is activated.
The amplified radio signals are supplied to the audio unit through the antenna amp.
ANTENNA
AV-47
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
AV
N
O
P
Wiring Diagram - M/ANT -
INFOID:0000000001328703
TKWM4403E
AV-48
< SERVICE INFORMATION >
ANTENNA
Terminal and Reference Value for Audio Unit
INFOID:0000000001328704
Antenna Amp. Inspection
INFOID:0000000001328705
1.
CHECK ANTENNA FEEDER
Check with visual observation if antenna feeder between audio unit and antenna amp. has disconnection or
malfunction on the mounting part (engagement, looseness of shield earth, etc.).
OK or NG
OK
>> GO TO 2
NG
>> Replace antenna feeder.
2.
CHECK ANTENNA SIGNAL
1.
Turn ignition switch ACC.
2.
Check voltage between audio unit harness connector M58 ter-
minal 5 and ground.
OK or NG
OK
>> INSPECTION END (System is OK.)
NG
>> Replace audio unit.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
+
–
Ignition
switch
Operation
5 (R/W)
Ground
Antenna signal
Input
ACC
—
Approx. 12 V
10 (LG)
Ground
ACC power
supply
Input
ACC
—
Battery voltage
5 – Ground
: Approx. 12 V
SKIA6854E
ANTENNA
AV-49
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
AV
N
O
P
Location of Antenna
INFOID:0000000001328706
RADIO ANTENNA AND GPS ANTENNA
SATELLITE RADIO ANTENNA
Window Antenna Repair
INFOID:0000000001328707
CHECK ELEMENT
PKIB5079E
SKIB8640E
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