Nissan Altima L32. Instruction — part 38
AV-144
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH (SEDAN)
STEERING SWITCH (SEDAN)
Description
INFOID:0000000004206465
When one of the steering wheel audio control switches is pushed, the resistance in steering switch circuit
changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000004206466
WITH BLUETOOTH
1.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector B126 and spiral
cable connector M30.
3. Check continuity between Bluetooth control unit connector B126
(A) terminals and spiral cable connector M30 (B) terminals.
4. Check continuity between Bluetooth control unit B126 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2
NO
>> Repair harness.
2.
CHECK HARNESS
1. Disconnect audio unit connector.
2. Check continuity between audio unit connector M43 (A) termi-
nals and Bluetooth control unit connector B126 (B) terminals.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
B126
12
M30
24
Yes
13
31
14
33
A
-
Continuity
Connector
Terminal
B126
12
Ground
No
13
14
ALNIA0149ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
M43
6
B126
17
Yes
15
19
16
18
WKIA5349E
AV
STEERING SWITCH (SEDAN)
AV-145
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
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B
A
O
P
1. Disconnect spiral cable connector M88.
2. Check continuity between spiral cable harness connector M30
and M88.
Are the continuity test results as specified?
YES
>> GO TO 4
NO
>> Replace spiral cable. Refer to
SR-8, "Removal and Installation"
4.
CHECK STEERING SWITCH
Check steering switch. Refer to
AV-146, "Component Inspection"
.
Does the steering switch pass inspection?
YES
>> Replace Bluetooth control unit. Refer to
AV-235, "Removal and Installation - Sedan"
NO
>> Replace steering switch. Refer to
AV-225, "Removal and Installation"
WITHOUT BLUETOOTH
1.
CHECK STEERING SWITCH
Check steering switch. Refer to
AV-146, "Component Inspection"
.
Does the steering switch pass inspection?
YES
>> GO TO 2
NO
>> Replace steering switch. Refer to
AV-225, "Removal and Installation"
2.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect audio unit connector M43 and spiral cable connector
M30.
3. Check continuity between spiral cable harness connector M30
(B) and audio unit harness connector M43 (A).
4. Check continuity between audio unit connector M43 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M88
14
Yes
31
15
33
17
ALNIA0931GB
B
A
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M43
6
Yes
31
16
33
15
A
—
Continuity
Connector
Terminal
M43
6
Ground
No
15
16
AWNIA0036ZZ
AV-146
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH (SEDAN)
1. Disconnect spiral cable connector M88.
2. Check continuity between spiral cable harness connector M30
and M88.
Are the continuity test results as specified?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
SR-8, "Removal and Installation"
Component Inspection
INFOID:0000000004206467
WITH BLUETOOTH
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
WITHOUT BLUETOOTH
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M88
14
Yes
31
15
33
17
ALNIA0931GB
Between terminals 14 and 17
switch ON
: 0
Ω
SEEK UP switch ON
: 108 – 112
Ω
SEEK DOWN switch ON
: 323 – 337
Ω
Between terminals 15 and 17
VOL DOWN switch ON
: 0
Ω
VOL UP switch ON
: 108 – 112
Ω
switch ON
: 323 – 337
Ω
SOURCE switch ON
: 990 – 1030
Ω
AWNIA0035ZZ
Between terminals 14 and 17
SOURCE switch ON
: 0
Ω
SEEK UP switch ON
: 162 – 168
Ω
VOLUME UP switch ON
: 639 – 665
Ω
Between terminals 15 and 17
SEEK DOWN switch ON
: 162 – 168
Ω
VOL DOWN switch ON
: 639 – 665
Ω
AWNIA0035ZZ
AV
COMMUNICATION SIGNAL CIRCUIT (COUPE)
AV-147
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
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F
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B
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COMMUNICATION SIGNAL CIRCUIT (COUPE)
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000004206468
Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-
tion circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000004206469
1.
CHECK HARNESS - 1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B57
and audio unit connector M45.
3. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (A) terminal 28 and audio unit harness
connector M45 (B) terminal 38.
4. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (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 B57 (A) terminal 29 and audio unit harness
connector M45 (B) terminal 39.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (A) terminal 29 and ground.
Are continuity results as specified?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (A) terminal 30 and audio unit harness
connector M45 (B) terminal 40.
2. Check continuity between satellite radio tuner (factory installed)
harness connector B57 (A) terminal 30 and ground.
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK REQ1 SIGNAL
Continuity should exist.
Continuity should not exist.
AWNIA0038ZZ
Continuity should exist.
Continuity should not exist.
AWNIA0039ZZ
Continuity should exist.
Continuity should not exist.
AWNIA0040ZZ
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