Nissan Juke F15. Manual - 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 

AV-42, "Component Inspection"

.

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