Nissan Cube. Instruction — part 9

AV

STEERING SWITCH SIGNAL A CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)

AV-29

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

STEERING SWITCH SIGNAL A CIRCUIT (TEL ADAPTER UNIT TO AUDIO
UNIT)

Description

INFOID:0000000009949561

• Transmits the steering switch signal to TEL adapter unit.
• Transmits the steering switch signal to audio unit through TEL adapter unit.

Diagnosis Procedure

INFOID:0000000009949562

1.

CHECK STEERING SWITCH SIGNAL A CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector and TEL adapter unit connector.

3.

Check continuity between audio unit harness connector and TEL adapter unit 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 AUDIO UNIT VOLTAGE

1.

Connect audio unit connector and TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between audio unit harness connector terminals.

Is inspection result normal?

YES

>> Replace TEL adapter unit. Refer to

AV-66, "Exploded View"

.

NO

>> Replace audio unit. Refer to

AV-61, "Exploded View"

.

Audio unit

TEL adapter unit

Continuity

Connector

Terminal

Connector

Terminal

M46

6

B54

17

Existed

Audio unit

Ground

Continuity

Connector

Terminal

M46

6

Not existed

(+)

(

−

)

Voltage

(Approx.)

Audio unit

Connector

Terminal

Connector

Terminal

M46

6

M46

15

3.3 V

AV-30

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)

STEERING SWITCH SIGNAL B CIRCUIT (TEL ADAPTER UNIT TO AUDIO
UNIT)

Description

INFOID:0000000009949563

• Transmits the steering switch signal to TEL adapter unit.
• Transmits the steering switch signal to audio unit through TEL adapter unit.

Diagnosis Procedure

INFOID:0000000009949564

1.

CHECK STEERING SWITCH SIGNAL B CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector and TEL adapter unit connector.

3.

Check continuity between audio unit harness connector and TEL adapter unit 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 AUDIO UNIT VOLTAGE

1.

Connect audio unit connector and TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between audio unit harness connector terminals.

Is inspection result normal?

YES

>> Replace TEL adapter unit. Refer to

AV-66, "Exploded View"

.

NO

>> Replace audio unit. Refer to

AV-61, "Exploded View"

.

Audio unit

TEL adapter unit

Continuity

Connector

Terminal

Connector

Terminal

M46

16

B54

18

Existed

Audio unit

Ground

Continuity

Connector

Terminal

M46

16

Not existed

(+)

(

−

)

Voltage

(Approx.)

Audio unit

Connector

Terminal

Connector

Terminal

M46

16

M46

15

3.3 V

AV

STEERING SWITCH SIGNAL GND CIRCUIT (TEL ADAPTER UNIT TO AUDIO

UNIT)

AV-31

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

STEERING SWITCH SIGNAL GND CIRCUIT (TEL ADAPTER UNIT TO AU-
DIO UNIT)

Description

INFOID:0000000009949565

• Transmits the steering switch signal to TEL adapter unit.
• Transmits the steering switch signal to audio unit through TEL adapter unit.

Diagnosis Procedure

INFOID:0000000009949566

1.

CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT (TEL ADAPTER UNIT TO AUDIO UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector and TEL adapter unit connector.

3.

Check continuity between audio unit harness connector and TEL adapter unit harness connector.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK GROUND CIRCUIT

1.

Connect audio unit connector.

2.

Check continuity between audio unit harness connector and ground.

Is inspection result normal?

YES

>> Replace TEL adapter unit. Refer to

AV-66, "Exploded View"

.

NO

>> Replace audio unit. Refer to

AV-61, "Exploded View"

.

Audio unit

TEL adapter unit

Continuity

Connector

Terminal

Connector

Terminal

M46

15

B54

19

Existed

Audio unit

Ground

Continuity

Connector

Terminal

M46

15

Existed

AV-32

< ECU DIAGNOSIS INFORMATION >

[AUDIO WITHOUT NAVIGATION]

AUDIO UNIT

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

INFOID:0000000009949567

TERMINAL LAYOUT

PHYSICAL VALUES

JSNIA2828ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

2

(W)

3

(P)

Sound signal front speaker
LH

Output

Ignition

switch

ON

Sound output

4

(V)

5

(R/B)

Sound signal rear speaker
LH

Output

Ignition

switch

ON

Sound output

6

(W/G)

15

(L/B)

Steering switch signal A

Input

Ignition

switch

ON

Keep pressing SOURCE
switch

0 V

Keep pressing SEEK UP
switch

0.9 V

Keep pressing SEEK
DOWN switch

1.6 V

Except for above

3.3 V

7

(L/Y)

Ground

ACC power supply

Input

Ignition

switch

ACC

—

Battery voltage

SKIB3609E

SKIB3609E