Nissan Altima L32. Manual - part 7
AV-20
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000004206367
1.
CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43.
2. Check voltage between the audio unit connector M43 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect audio unit case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair audio unit case ground.
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206368
1.
CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
Unit
Terminals
Signal name
Fuse No.
Audio unit
19
Battery power
24
7
Ignition switch ACC or ON
19
(+)
(-)
OFF
ACC
ON
Connector
Terminal
M43
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
7
Ground
0V
Battery
voltage
Battery
voltage
WKIA5769E
Unit
Terminals
Signal name
Fuse No.
Satellite radio tuner (factory in-
stalled)
32
Battery power
24
36
Ignition switch ACC or ON
19