Nissan Murano. Manual — part 121
AV-262
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
CONTROL SIGNAL CIRCUIT
CONTROL SIGNAL CIRCUIT
Description
INFOID:0000000009721780
TEL adapter unit identifies the vehicle model according to the control signal and performs the control.
Diagnosis Procedure
INFOID:0000000009721781
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
AV-293, "Removal and Installation"
.
NO
>> Repair harness or connector.
TEL adapter unit
Ground
Continuity
Connector
Terminals
B39
20
Existed
24
AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-263
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH SIGNAL A CIRCUIT
Description
INFOID:0000000009721782
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000009721783
1.
CHECK STEERING SWITCH SIGNAL A CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and spiral cable connector.
3.
Check continuity between AV control unit harness connector and spiral cable harness connector.
4.
Check continuity between AV control 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
(except for Mexico) or
(for Mexico).
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-264, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch. Refer to
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M171
6
M33
24
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M171
6
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
Connector
Terminal
M171
6
M171
15
3.3 V
AV-264
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL A CIRCUIT
Component Inspection
INFOID:0000000009721784
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. 716 – 730
Ω
MENU DOWN switch ON
: Approx. 318 – 324
Ω
MENU UP switch ON
: Approx. 120 – 122
Ω
SOURCE switch ON
: Approx. 0
Ω
Between terminals 15 and 17
switch ON
: Approx. 318 – 324
Ω
VOL UP switch ON
: Approx. 120 – 122
Ω
VOL DOWN switch ON
: Approx. 0
Ω
JSNIA0216GB
A V
STEERING SWITCH SIGNAL B CIRCUIT
AV-265
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000009721785
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000009721786
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and spiral cable connector.
3.
Check continuity between AV control unit harness connector and spiral cable harness connector.
4.
Check continuity between AV control 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
(except for Mexico) or
(for Mexico).
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit. Refer to
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-266, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch. Refer to
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M171
16
M33
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M171
16
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
Connector
Terminal
Connector
Terminal
M171
16
M171
15
3.3 V
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