Nissan Titan A60. Manual — part 78
AV
SOUND SIGNAL CIRCUIT
AV-137
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
YES
>> Replace audio unit. Refer to
AV-175, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-187, "Removal and Installation"
RIGHT CHANNEL
1.
CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41
and audio unit connector M170.
3. Check continuity between satellite radio tuner (factory installed)
M41 (A) and audio unit M170 (B).
4. Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.
Are continuity results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed)
connector M41 terminals 23 and 24 with CONSULT-III or oscillo-
scope.
Are voltage readings as specified?
YES
>> Replace audio unit. Refer to
AV-175, "Removal and Installation"
.
NO
>> Replace satellite radio tuner. Refer to
AV-187, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M41
23
M170
43
Yes
24
44
A
—
Continuity
Connector
Terminal
M41
23
Ground
No
24
ALNIA0711GB
Connector
(+)
(-)
Reference signal
Terminals
M41
24
23
ALNIA0881GB
SKIB3609E
AV-138
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000006166526
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal
circuits.
Diagnosis Procedure
INFOID:0000000006166527
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and microphone
connector.
3. Check continuity between Bluetooth control unit harness con-
nector B142 (A) and microphone harness connector R109 (B).
4. Check continuity between Bluetooth control unit harness connector B142 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector and microphone con-
nector.
2. Turn ignition switch ON.
3. Check voltage between microphone harness connector R109
terminal 4 and ground.
Is voltage reading approx. 5 volts?
YES
>> GO TO 3.
NO
>> Replace Bluetooth control unit. Refer to
AV-190, "Removal and Installation"
3.
CHECK MICROPHONE SIGNAL
A
B
Continuity
Connector
Terminal
Connector
Terminal
B142
7
R109
1
Yes
8
2
29
4
A
—
Continuity
Connector
Terminal
B142
7
Ground
No
8
29
WKIA5795E
(+)
(-)
Value (Approx.)
Connector
Terminal
R109
4
Ground
5V
WKIA5796E
AV
MICROPHONE SIGNAL CIRCUIT
AV-139
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Check signal between Bluetooth control unit harness connector
B142 terminals 7 and 8 with CONSULT-III or and oscilloscope.
Are voltage readings as specified?
YES
>> Replace Bluetooth control unit. Refer to
AV-190, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-188, "Removal and Installation"
.
Connector
(+)
(-)
Reference signal
Terminal
Terminal
B142
7
8
While speaking into MIC
AWNIA1620ZZ
PKIB5037J
AV-140
< ECU DIAGNOSIS INFORMATION >
[PREMIUM WITHOUT NAVIGATION]
AUDIO UNIT
ECU DIAGNOSIS INFORMATION
AUDIO UNIT
Reference Value
INFOID:0000000006166528
TERMINAL LAYOUT
PHYSICAL VALUES
ALNIA0712GB
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
(Approx.)
+
–
2
(W)
1
(B)
Audio sound signal
front LH
Output
Ignition
switch
ON
Receive audio sig-
nal
4
(Y)
3
(BR)
Audio sound signal
front RH
Output
Ignition
switch
ON
Receive audio sig-
nal
6
(Y)
Ground
Battery power
Input
–
–
Battery voltage
7
(BR)
Ground
Illumination control
signal
Input
Ignition
switch
ON
Illumination control
switch is operated
by lighting switch in
1st position.
Changes between 0 and 12V
8
(R/L)
Ground
Illumination signal
Input
OFF
Lighting switch is in
1st position.
Battery voltage
Lighting switch is
OFF.
0V
9
–
Shield
–
–
–
0V
10
(V)
Ground
ACC signal
Input
Ignition
switch
ON
–
Battery voltage
12
(G/W)
Ground
Amp ON signal
Output
Ignition
switch
ON
–
More than 6.5V
SKIA0177E
SKIA0177E
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