Nissan Altima L32. Instruction — part 81
AV-316
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
Are the fuses 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 rear view camera control unit harness con-
nector and ground.
Are the voltage readings as specified?
YES
>> GO TO 3
NO
>> Check harness between rear view camera control unit
and fuse.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Check continuity between rear view camera control unit harness
connector B31 terminal 3 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
REAR VIEW CAMERA
REAR VIEW CAMERA : Diagnosis Procedure
INFOID:0000000004206628
1.
CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)
Check voltage between rear view camera harness connector and
ground.
Is voltage reading approximately 6 volts?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect rear view camera and rear view camera control unit connectors.
(+)
(-)
Ignition switch
position
Value (Approx.)
Connector
Terminal
B31
1
Ground
OFF
Battery voltage
2
ACC
ALLIA0244ZZ
Signal name
Continuity
Ground
Continuity should exist.
ALLIA0245ZZ
(+)
(-)
Transmission po-
sition
Value (Approx.)
Connector
Terminal
T7
1
Ground
Reverse
6V
ALLIA0243ZZ
AV
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AV-317
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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3. Check continuity between rear view camera harness connector
T7 (A) terminal 1 and rear view camera control unit harness con-
nector B31 (B) terminal 8.
4. Check continuity between rear view camera harness connector
T7 (A) terminal 1 and ground.
Are continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (CAMERA CONTROL UNIT SIDE)
1. Connect rear view camera control unit harness connector.
2. Turn ignition switch ON.
3. Check voltage between rear view camera control unit harness
connector and ground.
Is voltage reading approximately 6 volts?
YES
>> Inspection End.
NO
>> Replace rear view camera control unit. Refer to
"Removal and Installation - Coupe"
.
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera harness connector.
3. Check continuity between rear view camera harness connector
B35 terminal 2 and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure
INFOID:0000000004206629
1.
CHECK FUSE
Check that the following fuses of the BOSE speaker amp. are not blown.
Are the fuses OK?
Signal name
Continuity
Camera ON signal
Continuity should exist.
Signal name
Continuity
Camera ON signal
Continuity should not exist.
ALLIA0246ZZ
(+)
(-)
Condition
Value (Approx.)
Connector
Terminal
B31
8
Ground
Reverse
6V
ALLIA0247ZZ
Signal name
Continuity
Ground
Continuity should exist.
ALLIA0248ZZ
Unit
Terminals
Signal name
Fuse No.
BOSE speaker amp.
50
Battery power
25
51
26
AV-318
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
YES
>> GO TO 2
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp connector.
3. Check voltage between BOSE speaker amp harness connector
and ground.
Are the voltage readings as specified?
YES
>> GO TO 3
NO
>> Check harness between BOSE speaker amp. and fuse.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE speaker amp connector.
3. Check continuity between BOSE speaker amp harness connec-
tor and ground.
Are continuity test results as specified?
YES
>> Inspection End.
NO
>> Repair harness or connector.
CD CHANGER
CD CHANGER : Diagnosis Procedure
INFOID:0000000004206630
1.
CHECK FUSE
Check that the following fuses of the CD changer are not blown.
Are the fuses 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 CD changer harness connector and ground.
Are the voltage readings as specified?
YES
>> Inspection End.
NO
>> Check harness between CD changer and fuse.
(+)
(-)
Voltage (approx.)
Connector
Terminal
B122
50
Ground
Battery voltage
51
ALNIA0128ZZ
Connector
Terminal
—
Continuity
B122
47
Ground
Yes
52
ALNIA0129ZZ
Unit
Terminals
Signal name
Fuse No.
CD changer
12
Battery power
24
16
Ignition switch ACC or ON
19
(+)
(-)
Ignition switch po-
sition
Value (Approx.)
Connector
Terminal
M42
12
Ground
OFF
Battery voltage
16
ACC
ALLIA0249ZZ
AV
POWER SUPPLY AND GROUND CIRCUIT (COUPE)
AV-319
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
MICROPHONE
MICROPHONE : Diagnosis Procedure
INFOID:0000000004206631
1.
CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect microphone and AV control unit harness connectors.
3. Check continuity between microphone harness connector R7
(A) terminal 4 and AV control unit harness connector M46 (B)
terminal 46.
4. Check continuity between microphone harness connector R7
(A) terminal 4 and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)
1. Connect AV control unit harness connector.
2. Turn ignition switch to ACC.
3. Check voltage between AV control unit harness connector and
ground.
Is voltage approximately 5 volts?
YES
>> Inspection End.
NO
>> Replace AV control unit. Refer to
4.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect microphone harness connector R7 and AV control unit harness connector M46.
(+)
(-)
Ignition
switch posi-
tion
Value (Ap-
prox.)
Connector
Terminal
R7
4
Ground
ON
5V
WKIA5796E
Signal name
Continuity
Microphone VCC signal
Continuity should exist.
Signal name
Continuity
Microphone VCC signal
Continuity should not exist.
ALLIA0250ZZ
(+)
(-)
Ignition switch
position
Value (Approx.)
Connector
Terminal
M46
46
Ground
ACC
5V
ALLIA0251ZZ
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