Nissan Cube. Manual — part 7
AV
MICROPHONE SIGNAL CIRCUIT
AV-21
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Replace microphone. Refer to
.
TEL adapter unit
TEL adapter unit
Condition
Reference value
Connector
Terminal
Connector
Terminal
B54
7
B54
8
Give a voice.
SKIB3609E
AV-22
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
CONTROL SIGNAL CIRCUIT
CONTROL SIGNAL CIRCUIT
Description
INFOID:0000000009949550
TEL adapter unit identifies the vehicle model according to the control signal and performs the control.
Diagnosis Procedure
INFOID:0000000009949551
1.
CHECK CONTINUITY CONTROL SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector.
3.
Check continuity between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace TEL adapter unit. Refer to
.
NO
>> Repair harness or connector.
TEL adapter unit
Ground
Continuity
Connector
Terminals
B54
22
Existed
23
24
27
AV
STEERING SWITCH SIGNAL A CIRCUIT (STEERING SWITCH TO TEL ADAPT-
ER UNIT)
AV-23
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH SIGNAL A CIRCUIT (STEERING SWITCH TO TEL
ADAPTER UNIT)
Description
INFOID:0000000009949552
• Transmits the steering switch signal to TEL adapter unit.
• Transmits the steering switch signal to audio unit through TEL adapter unit.
Diagnosis Procedure
INFOID:0000000009949553
1.
CHECK STEERING SWITCH SIGNAL A (STEERING SWITCH TO TEL ADAPTER UNIT) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect TEL adapter unit connector and spiral cable connector.
3.
Check continuity between TEL adapter unit harness connector and spiral cable harness connector.
4.
Check continuity between TEL adapter unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable. Refer to
.
3.
CHECK TEL ADAPTER UNIT VOLTAGE
1.
Connect TEL adapter unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between TEL adapter unit harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace TEL adapter unit. Refer to
.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch. Refer to
.
TEL adapter unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
B54
12
M33
24
Existed
TEL adapter unit
Ground
Continuity
Connector
Terminal
B54
12
Not existed
(+)
(
−
)
Voltage
(Approx.)
TEL adapter unit
Connector
Terminal
Connector
Terminal
B54
12
B54
14
5.0 V
AV-24
< DTC/CIRCUIT DIAGNOSIS >
[AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL A CIRCUIT (STEERING SWITCH TO TEL ADAPT-
ER UNIT)
Component Inspection
INFOID:0000000009949554
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
Between terminals 14 and 17
switch ON
: Approx. 709 – 737
Ω
SEEK DOWN switch ON
: Approx. 315 – 327
Ω
SEEK UP switch ON
: Approx. 119 – 123
Ω
SOURCE switch ON
: Approx. 0
Ω
Between terminals 15 and 17
switch ON
: Approx. 315 – 327
Ω
VOL UP switch ON
: Approx. 119 – 123
Ω
VOL DOWN switch ON
: Approx. 0
Ω
JSNIA2808GB
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