Nissan Titan A60. Manual — part 108
AV
AMP ON SIGNAL CIRCUIT
AV-257
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
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AMP ON SIGNAL CIRCUIT
Description
INFOID:0000000006166612
When the audio system is turned on, a voltage signal is supplied from the audio unit to the audio amp. When
this signal is received, the audio amp. will turn on.
Diagnosis Procedure
INFOID:0000000006166613
Regarding Wiring Diagram information, refer to
AV-285, "Wiring Diagram - With Navigation System"
1.
CHECK AMP ON SIGNAL
1. Turn audio system ON.
2. Check voltage between audio amp. harness connector M113
terminal 9 and ground.
Is inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK AMP ON SIGNAL (AUDIO UNIT)
Check voltage between audio unit harness connector M44 terminal
12 and ground.
Is inspection result normal?
YES
>> Repair harness or connector.
NO
>> Replace audio unit. Refer to
(+)
(-)
Voltage (approx.)
Connector
Terminal
M113
9
Ground
More than 6.5V
ALNIA0733GB
(+)
(-)
Voltage (approx.)
Connector
Terminal
M44
12
Ground
More than 6.5V
ALNIA0734GB
AV-258
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
STEERING SWITCH
STEERING SWITCH
Description
INFOID:0000000006166614
When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio
control switch circuit changes depending on which button is pushed.
Diagnosis Procedure
INFOID:0000000006166615
Regarding Wiring Diagram information, refer to
AV-285, "Wiring Diagram - With Navigation System"
.
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect steering wheel audio control switch connector M102.
3. Check resistance between steering switch connector terminals.
Do the steering wheel audio control switches check OK?
YES
>> GO TO 2.
NO
>> Replace steering wheel audio control switch. Refer to
AV-333, "Removal and Installation"
2.
CHECK HARNESS
1. Disconnect Bluetooth control unit connector B142 and spiral
cable connector M30.
2. Check continuity between Bluetooth control unit harness con-
nector B142 (A) and spiral cable harness connector M30 (B).
3. Check continuity between Bluetooth control unit connector B142 (A) and ground.
Are the continuity results as specified?
Terminal
Signal name
Condition
Resistance
(
Ω)
(Approx.)
16
17
Seek (down)
Depress
switch.
165
Volume (down)
Depress VOL down switch.
652
Phone/End
Depress
switch.
0
20
17
Seek (up)
Depress
switch.
165
Volume (up)
Depress VOL up switch.
652
Phone/Send
Depress
switch.
0
WKIA4457E
A
B
Continuity
Connector
Terminal
Connector
Terminal
B142
12
M30
24
Yes
13
32
14
31
A
—
Continuity
Connector
Terminal
B142
12
Ground
No
13
14
ALNIA0735GB
AV
STEERING SWITCH
AV-259
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
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YES
>> GO TO 3.
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
Check continuity between spiral cable harness connector M30 (A)
and M102 (B).
Does the spiral cable check OK?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
SR-6, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
20
Yes
31
17
32
16
AWLIA1602ZZ
AV-260
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
COMMUNICATION SIGNAL CIRCUIT
COMMUNICATION SIGNAL CIRCUIT
SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
INFOID:0000000006166616
Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-
tion circuits.
SATELLITE RADIO TUNER : Diagnosis Procedure
INFOID:0000000006166617
Regarding Wiring Diagram information, refer to
AV-285, "Wiring Diagram - With Navigation System"
.
1.
CHECK HARNESS - REQ1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41
and audio unit connector M42.
3. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and audio unit harness
connector M42 (B) terminal 48.
4. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 28 and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK HARNESS - TXD
1. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 29 and audio unit harness
connector M42 (B) terminal 49.
2. Check continuity between satellite radio tuner (factory installed)
harness connector M41 (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
M41
28
M42
48
Yes
A
—
Continuity
Connector
Terminal
M41
28
Ground
No
ALNIA0709GB
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
29
M42
49
Yes
A
—
Continuity
Connector
Terminal
M41
29
Ground
No
ALNIA0707GB
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