Nissan Maxima. Instruction — part 151
AV-424
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
COMMUNICATION SIGNAL CIRCUIT
COMMUNICATION SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000009471378
Communication signals are exchanged between the AV control unit and satellite radio tuner using the commu-
nication circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000009471379
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
1.
CHECK HARNESS - 1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector
B111 and AV control unit connector M153.
3. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 28 and AV control unit har-
ness connector M153 (B) terminal 28.
4. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK HARNESS - 2
1. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and AV control unit har-
ness connector M153 (B) terminal 29.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and ground.
Are continuity results as specified?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
B111
28
M153
28
Yes
A
—
Continuity
Connector
Terminal
B111
28
Ground
No
ALNIA0334GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
B111
29
M153
29
Yes
A
—
Continuity
Connector
Terminal
B111
29
Ground
No
ALNIA0657GB
AV
COMMUNICATION SIGNAL CIRCUIT
AV-425
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
3.
CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and AV control unit har-
ness connector M153 (B) terminal 30.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
1. Connect satellite radio tuner (factory installed) connector and AV control unit connector.
2. Turn ignition switch to ACC.
3. Check signal between satellite radio tuner (factory installed) har-
ness connector B111 terminal 28 and ground with CONSULT or
oscilloscope.
Are voltage readings as specified?
YES
>> GO TO 5.
NO
>> Replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
5.
CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 29 and ground with CONSULT or oscillo-
scope.
A
B
Continuity
Connector
Terminal
Connector
Terminal
B111
30
M153
30
Yes
A
—
Continuity
Connector
Terminal
B111
30
Ground
No
ALNIA0658GB
(+)
(-)
Reference signal
Connector
Terminal
B111
28
Ground
WKIA4544E
SKIB3825E
(+)
(-)
Reference signal
Connector
Terminal
B111
29
Ground
WKIA4545E
SKIB3824E
AV-426
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
COMMUNICATION SIGNAL CIRCUIT
Are the voltage readings as specified?
YES
>> GO TO 6.
NO
>> Replace satellite radio tuner. Refer to
AV-494, "Removal and Installation"
6.
CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 30 and ground with CONSULT or oscillo-
scope.
Are the voltage readings as specified?
YES
>> Replace satellite radio tuner. Refer to
AV-494, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-481, "Removal and Installation"
.
(+)
(-)
Reference signal
Connector
Terminal
B111
30
Ground
WKIA4546E
SKIB3826E
AV
SOUND SIGNAL CIRCUIT
AV-427
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SOUND SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000009471380
Left and right channel audio signals are supplied from the satellite radio tuner to the AV control unit through
the sound signal circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000009471381
Regarding Wiring Diagram information, refer to
AV-449, "Wiring Diagram - With BOSE Audio system Without
LEFT CHANNEL
1.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector
B111 and AV control unit connector M153.
3. Check continuity between satellite radio tuner (factory installed)
connector B111 (A) and AV control unit connector M153 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B111 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK LEFT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and AV control unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector B111 terminals 21 and 22 with CONSULT or oscillo-
scope.
Are voltage readings as specified?
A
B
Continuity
Connector
Terminal
Connector
Terminal
B111
21
M153
21
Yes
22
22
A
—
Continuity
Connector
Terminal
B111
21
Ground
No
22
ALNIA0337GB
(+)
(-)
Reference signal
Connector
Terminal
B111
22
21
ALNIA0880GB
SKIB3609E
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