Nissan Titan A60. Instruction — part 76
AV
SUBWOOFER
AV-129
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
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B
A
O
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1. Connect audio unit connector M172 and audio amp. connector
M113.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M172
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M172
14
13
Receive
audio sig-
nal
16
15
AWNIA1615ZZ
SKIA0177E
AV-130
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
AMP ON SIGNAL CIRCUIT
AMP ON SIGNAL CIRCUIT
Description
INFOID:0000000006166518
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:0000000006166519
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without 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 M172 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
M172
12
Ground
More than 6.5V
ALNIA0734GB
AV
STEERING SWITCH
AV-131
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[PREMIUM WITHOUT NAVIGATION]
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STEERING SWITCH
Description
INFOID:0000000006166520
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:0000000006166521
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without 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-181, "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-132
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[PREMIUM WITHOUT NAVIGATION]
STEERING SWITCH
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
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