Nissan GT-R. Instruction — part 39

AV

CAMERA IMAGE SIGNAL CIRCUIT

AV-151

< DTC/CIRCUIT DIAGNOSIS >

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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 display unit connector and rear view camera connector.

2.

Turn ignition switch ON.

3.

Shift the selector lever to “R”.

4.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to

AV-170, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to

AV-188, "Removal and Installation"

.

Display unit

Ground

Continuity

Connector

Terminal

M93

8

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M93

8

Ground

At rear view camera im-
age is displayed.

SKIB2251J

AV-152

< DTC/CIRCUIT DIAGNOSIS >

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STEERING SWITCH SIGNAL A CIRCUIT

STEERING SWITCH SIGNAL A CIRCUIT

Description

INFOID:0000000009163417

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000009163418

1.

CHECK STEERING SWITCH SIGNAL A 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-153, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M201

6

M36

24

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M201

6

Not existed

(+)

(

−

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M201

6

M201

15

5.0 V

AV

STEERING SWITCH SIGNAL A CIRCUIT

AV-153

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Component Inspection

INFOID:0000000009163419

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JPNIA1238GB

Steering switch

Condition

Resistance

Ω

Connector

Terminals

M303

14

17

START / STOP switch ON

1982 – 2063

switch ON

708 – 737

SEEK DOWN switch ON

314 – 327

SEEK UP switch ON

118 – 123

SOURCE switch ON

1

Ω

or less

15

MRK switch ON

708 – 737

switch ON

314 – 327

VOL UP switch ON

118 – 123

VOL DOWN switch ON

1

Ω

or less

AV-154

< DTC/CIRCUIT DIAGNOSIS >

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STEERING SWITCH SIGNAL B CIRCUIT

STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000009163420

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000009163421

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-155, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M201

16

M36

31

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M201

16

Not existed

(+)

(

−

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M201

16

M201

15

5.0 V