Nissan Juke F15. Instruction — part 14
AV-42
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
STEERING SWITCH SIGNAL GND CIRCUIT
STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000012202469
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
INFOID:0000000012202470
1.
CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. 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. Refer to
SR-15, "Removal and Installation"
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. Refer to
AV-50, "Removal and Installation"
.
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
AV-55, "Removal and Installation"
.
Component Inspection
INFOID:0000000012202471
Measure the resistance between the steering switch connector.
Audio unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M129
15
M33
33
Existed
Audio unit
Ground
Continuity
Connector
Terminal
M129
15
Existed
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-43
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Steering switch
Condition
Resistance
(Approx.)
Ω
Terminal
14
17
TEL switch ON
716 – 730
SEEK DOWN switch ON
318 – 324
SEEK UP switch ON
120 – 122
SOURCE switch ON
0
15
TEL END switch ON
318 – 324
VOL UP switch ON
120 – 122
VOL DOWN switch ON
0
JSNIA8044GB
AV-44
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
CAMERA IMAGE SIGNAL CIRCUIT
CAMERA IMAGE SIGNAL CIRCUIT
Description
INFOID:0000000012202472
• The audio unit supplies power to the rear view camera when receiving a reverse signal.
• The rear view camera transmits camera images to the audio unit when power is supplied from the audio unit.
Diagnosis Procedure
INFOID:0000000012202473
1.
CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and rear view camera connector.
3. Check continuity between audio unit harness connector and rear view camera harness connector.
4. Check continuity between audio unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK VOLTAGE CAMERA POWER SUPPLY
1. Connect audio unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to “R” position.
4. Check voltage between audio unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace audio unit. Refer to
AV-50, "Removal and Installation"
.
3.
CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and rear view camera connector.
3. Check continuity between audio unit harness connector and rear view camera harness connector.
4. Check continuity between audio unit harness connector and ground.
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M130
34
D111
1
Existed
Audio unit
Ground
Continuity
Connector
Terminal
M130
34
Not existed
(+)
(
−)
Condition
Voltage
(Approx.)
Audio unit
Connector
Terminal
M130
34
Ground
Shift position is in “R”.
6.2 V
Audio unit
Rear view camera
Continuity
Connector
Terminal
Connector
Terminal
M130
35
D111
3
Existed
AV
CAMERA IMAGE SIGNAL CIRCUIT
AV-45
< DTC/CIRCUIT DIAGNOSIS >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK CAMERA IMAGE SIGNAL
1. Connect audio unit connector and rear view camera connector.
2. Turn ignition switch ON.
3. Shift the selector lever to “R” position.
4. Check signal between audio unit harness connector and ground.
Is inspection result normal?
YES
>> Replace audio unit. Refer to
AV-50, "Removal and Installation"
.
NO
>> Replace rear view camera. Refer to
AV-56, "Removal and Installation"
Audio unit
Ground
Continuity
Connector
Terminal
M130
35
Not existed
(+)
(
−)
Condition
Standard
Reference value
Audio unit
Ground
Connector
Terminal
M130
35
At camera image is
displayed.
Waveform according
to camera image is
input.
SKIB2251J
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