Infiniti G35 (V35) Sedan. Manual — part 67
AV-40
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1.
Turn ignition switch OFF.
2.
Disconnect the harness connector between display unit and AV control unit.
3.
Check continuity between display unit harness connector M71 and AV control unit harness connector
M83.
4.
Check continuity between display unit harness connector M71 and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1.
Connect the AV control unit harness connector.
2.
Turn ignition switch ACC.
3.
Check voltage between AV control unit harness connector and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Replacement of AV control unit.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Display unit connector.
3.
Check continuity between Display unit harness connectors and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
MULTIFUNCTION SWITCH
MULTIFUNCTION SWITCH : Diagnosis Procedure
INFOID:0000000000964551
1.
CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
Signal name
Display unit (M71)
AV control unit (M83)
Continuity
Inverter VCC
2
59
Continuity should exist.
Signal VCC
3
47
Continuity should exist.
Signal name
Display unit (M71)
—
Continuity
Inverter VCC
2
Ground
Continuity should not exist.
Signal VCC
3
Ground
Continuity should not exist.
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Inverter VCC
M83
59
ACC
9 V
Signal VCC
47
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
M71
1
OFF
Continuity should exist.
Power source
Fuse No.
Ignition switch ACC or ON
19
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-41
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector and ground.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Check harness between multifunction switch and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect multifunction switch connector.
3.
Check continuity between multifunction switch harness connector and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000000964552
1.
CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between satellite radio tuner harness connector and ground.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Check harness between satellite radio tuner and fuse.
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
ACC power supply
M72
3
ACC
12 V
Signal name
Connector No.
Terminal No.
Ignition switch position
Continuity
Ground
M72
1
OFF
Continuity should exist.
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
B236
12
OFF
12 V
ACC power supply
B236
16
ACC
12 V
AV-42
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
RGB (R: RED) SIGNAL CIRCUIT
RGB (R: RED) SIGNAL CIRCUIT
Description
INFOID:0000000000964553
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000000964554
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 40.
4.
Check continuity between display unit harness connector terminal 17 and ground.
Is inspection result OK?
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 inspection result OK?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
17 - 40
: Continuity should exist.
17 - Ground
: Continuity should not exist.
17 - Ground
SKIB2238J
AV
RGB (G: GREEN) SIGNAL CIRCUIT
AV-43
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
RGB (G: GREEN) SIGNAL CIRCUIT
Description
INFOID:0000000000964555
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis Procedure
INFOID:0000000000964556
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 39.
4.
Check continuity between display unit harness connector terminal 6 and ground.
Is inspection result OK?
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 inspection result OK?
YES
>> Replace display unit.
NO
>> Replace AV control unit.
6 - 39
: Continuity should exist.
6 - Ground
: Continuity should not exist.
6 - Ground
SKIB2236J
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