Nissan Murano Z51. Instruction — part 92
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-147
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000005528573
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000005528574
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
3.
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.
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.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-148, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M127
16
M33
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M127
16
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M127
16
M127
15
3.3 V
AV-148
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL B CIRCUIT
Component Inspection
INFOID:0000000005528575
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JSNIA0216GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nal
Con-
nector
Termi-
nal
M303
14
M303
17
switch
ON
709 – 737
MENU DOWN switch
ON
315 – 327
MENU UP switch ON
119 – 123
SOURCE switch ON
0
15
switch ON
315 – 327
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-149
< 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 GND CIRCUIT
Description
INFOID:0000000005528576
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000005528577
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector and spiral cable harness connector.
3.
Connect AV control unit connector.
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.
3.
CHECK GROUND CIRCUIT
1.
Connect AV control unit connector.
2.
Check continuity between AV control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-150, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M127
15
M33
33
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M127
15
Existed
AV-150
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL GND CIRCUIT
Component Inspection
INFOID:0000000005528578
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JSNIA0216GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nal
Con-
nector
Termi-
nal
M303
14
M303
17
switch
ON
709 – 737
MENU DOWN switch
ON
315 – 327
MENU UP switch ON
119 – 123
SOURCE switch ON
0
15
switch ON
315 – 327
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
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