Nissan Titan A60. Instruction — part 59
AV
STEERING SWITCH
AV-61
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
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B
A
O
P
NO
>> Repair harness.
3.
SPIRAL CABLE CHECK
1. Disconnect spiral cable connector M102.
2. Check continuity between spiral cable harness connector M169
(A) and M102 (B).
Does the spiral cable check OK?
YES
>> Inspection End.
NO
>> Replace spiral cable. Refer to
SR-6, "Removal and Installation"
Diagnosis Procedure (With Bluetooth)
INFOID:0000000006706806
Regarding Wiring Diagram information, refer to
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-90, "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).
A
B
Continuity
Connector
Terminal
Connector
Terminal
M169
24
M102
20
Yes
31
17
32
16
AWLIA1602ZZ
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
ALNIA0735GB
AV-62
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
STEERING SWITCH
3. Check continuity between Bluetooth control unit connector B142 (A) and ground.
Are the continuity results as specified?
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
B142
12
M30
24
Yes
13
32
14
31
A
—
Continuity
Connector
Terminal
B142
12
Ground
No
13
14
A
B
Continuity
Connector
Terminal
Connector
Terminal
M30
24
M102
20
Yes
31
17
32
16
AWLIA1602ZZ
AV
MICROPHONE SIGNAL CIRCUIT
AV-63
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
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MICROPHONE SIGNAL CIRCUIT
Description
INFOID:0000000006706836
Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal
circuits.
Diagnosis Procedure
INFOID:0000000006706837
Regarding Wiring Diagram information, refer to
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-95, "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-64
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
MICROPHONE SIGNAL CIRCUIT
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-95, "Removal and Installation"
NO
>> Replace microphone. Refer to
AV-93, "Removal and Installation"
.
Connector
(+)
(-)
Reference signal
Terminal
Terminal
B142
7
8
While speaking into MIC
AWNIA1620ZZ
PKIB5037J
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