Nissan Murano Z51. Manual — part 61
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-23
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Component Inspection
INFOID:0000000005528423
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nals
Con-
nector
Termi-
nal
M303
14
M303
17
SEEK DOWN switch
ON
315 – 327
SEEK UP switch ON
119 – 123
SOURCE switch ON
0
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
AV-24
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
STEERING SWITCH SIGNAL GND CIRCUIT
STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000005528424
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
INFOID:0000000005528425
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector and spiral cable connector.
3.
Check continuity between audio unit harness connector and spiral cable harness 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 audio unit connector.
2.
Check continuity between audio unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace audio unit.
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.
Audio unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M46
15
M33
33
Existed
Audio unit
—
Continuity
Connector
Terminal
M46
15
Ground
Existed
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-25
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Component Inspection
INFOID:0000000005528426
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nals
Con-
nector
Termi-
nal
M303
14
M303
17
SEEK DOWN switch
ON
315 – 327
SEEK UP switch ON
119 – 123
SOURCE switch ON
0
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
AV-26
< ECU DIAGNOSIS INFORMATION >
[BASE AUDIO]
AUDIO UNIT
ECU DIAGNOSIS INFORMATION
AUDIO UNIT
Reference Values
INFOID:0000000005528427
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA1180ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
2
(L)
3
(B)
Sound signal front LH
Output
Ignition
switch
ON
Sound output.
4
(LG)
5
(Y)
Sound signal rear LH
Output
Ignition
switch
ON
Sound output.
6
(W)
15
(SB)
Steering switch signal A
Input
Ignition
switch
ON
Keep pressing SOURCE
switch.
0 V
Keep pressing
switch.
1.0 V
Keep pressing
switch.
2.0 V
Except for above.
5.0 V
7
(R)
Ground
ACC power supply
Input
Ignition
switch
ACC
—
Battery voltage
11
(BR)
12
(W)
Sound signal front RH
Output
Ignition
switch
ON
Sound output.
SKIB3609E
SKIB3609E
SKIB3609E
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