Nissan Versa Sedan. Instruction — part 19
AV-68
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
MICROPHONE SIGNAL CIRCUIT
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
INFOID:0000000009375119
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 B33 and microphone connector R15.
3. Check continuity between Bluetooth
®
control unit connector B33 and microphone connector R15.
4. Check continuity between Bluetooth
®
control unit connector B33 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connectors.
2.
CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth
®
control unit connector B33 and microphone connector R15.
2. Turn ignition switch ON.
3. Check voltage between microphone connector R15 and ground.
Is the voltage reading as specified?
YES
>> GO TO 3
NO
>> Replace Bluetooth
®
control unit. Refer to
AV-83, "Removal and Installation"
.
3.
CHECK MICROPHONE SIGNAL
Check signal between terminals of Bluetooth
®
control unit connector B33.
Bluetooth
®
control unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
B33
7
R15
1
Yes
8
2
29
4
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B33
7
—
No
29
Microphone
Ground
Voltage
(Approx.)
(+)
(-)
Connector
Terminal
R15
4
—
5V
AV
MICROPHONE SIGNAL CIRCUIT
AV-69
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Were voltage readings as specified?
YES
>> Replace Bluetooth
®
control unit. Refer to
AV-83, "Removal and Installation"
.
NO
>> Replace microphone. Refer to
AV-84, "Removal and Installation"
.
Bluetooth
®
control unit connector B33
Condition
Reference value
(+)
(-)
Terminal
Terminal
7
8
Speak into microphone.
PKIB5037J
AV-70
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
STEERING SWITCH
STEERING SWITCH
Diagnosis Procedure
INFOID:0000000009375120
Regarding Wiring Diagram information, refer to
1.
CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect combination switch connector M88.
3. Check resistance between the terminals of combination switch connector M88.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace steering switches. Refer to
AV-81, "Removal and Installation"
2.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND COMBINATION SWITCH
1. Disconnect Bluetooth
®
control unit connector B33 and combination switch connector M30.
2. Check continuity between Bluetooth
®
control unit connector B33 and combination switch connector M30.
3. Check continuity between Bluetooth
®
control unit connector B33 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
Combination switch connector M88
Condition
Resistance
Ω
(Approx.)
Terminal
Terminal
14
17
Depress SOURCE switch.
1
Depress
switch.
121
Depress
switch.
321
Depress
switch.
723
15
Depress
switch.
1
Depress
switch.
121
Depress
switch.
321
Bluetooth
®
control unit
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
B33
12
M30
24
Yes
13
31
14
33
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B33
12
—
No
13
14
AV
STEERING SWITCH
AV-71
< DTC/CIRCUIT DIAGNOSIS >
[MID AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
3.
CHECK COMBINATION SWITCH
Check continuity between combination switch connectors M88 and M30.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace spiral cable. Refer to
SR-14, "Removal and Installation"
4.
CHECK HARNESS BETWEEN BLUETOOTH
®
CONTROL UNIT AND AUDIO UNIT
1. Disconnect audio unit connector M44.
2. Check continuity between Bluetooth
®
control unit connector B33 and audio unit connector M44.
3. Check continuity between Bluetooth
®
control unit connector B33 and ground.
Is the inspection result normal?
YES
>> Replace audio unit. Refer to
AV-77, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
M88
14
M30
24
Yes
15
31
17
33
Bluetooth
®
control unit
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
B33
17
M44
6
Yes
18
16
19
15
Bluetooth
®
control unit
Ground
Continuity
Connector
Terminal
B33
17
—
No
18
19
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