Infiniti G37 Coupe. Manual — part 171
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-437
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
iPod ADAPTER : Diagnosis Procedure
INFOID:0000000001558857
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between iPod adapter harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between iPod adapter and fuse.
Power source
Fuse No.
Battery
34
Ignition switch ACC or ON
19
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
M111
5
OFF
12 V
ACC power supply
M111
3
ACC
12 V
AV-438
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB (R: RED) SIGNAL CIRCUIT
RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000001558859
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001558860
1.
CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector terminal 17 and AV control unit harness connec-
tor terminal 61.
4.
Check continuity between display unit harness connector terminal 17 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (R: RED) SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal 17 and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
17 - 61
: Continuity should exist.
17 - Ground
: Continuity should not exist.
Terminal
Condition
Reference value
17 - Ground
Ignition
switch
ON
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2238J
AV
RGB (G: GREEN) SIGNAL CIRCUIT
AV-439
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RGB (G: GREEN) SIGNAL CIRCUIT
Description
INFOID:0000000001558861
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001558862
1.
CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector terminal 6 and AV control unit harness connec-
tor terminal 62.
4.
Check continuity between display unit harness connector terminal 6 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (G: GREEN) SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal 6 and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
6 - 62
: Continuity should exist.
6 - Ground
: Continuity should not exist.
Terminal
Condition
Reference value
6 - Ground
Ignition
switch
ON
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2236J
AV-440
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB (B: BLUE) SIGNAL CIRCUIT
RGB (B: BLUE) SIGNAL CIRCUIT
Description
INFOID:0000000001558863
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000001558864
1.
CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector and AV control unit connector.
3.
Check continuity between display unit harness connector terminal 18 and AV control unit harness connec-
tor terminal 63.
4.
Check continuity between display unit harness connector terminal 18 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RGB (B: BLUE) SIGNAL
1.
Connect display unit connector and AV control unit connector.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector terminal 18 and ground.
Is the inspection result normal?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
18 - 63
: Continuity should exist.
18 - Ground
: Continuity should not exist.
Terminal
Condition
Reference value
18 - Ground
Ignition
switch
ON
Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2237J
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