Infiniti EX35. Manual - part 117

 

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Infiniti EX35. Manual - part 117

 

 

AV

STEERING SWITCH SIGNAL B CIRCUIT

AV-249

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000003544799

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000003544800

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-250, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M81

16

M36

31

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M81

16

Not existed

(+)

(

)

Reference 

value

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M81

16

M81

15

3.3 V

AV-250

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT

Component Inspection

INFOID:0000000003756525

Measure the resistance between the steering switch connector.

JSNIA0216GB

Steering switch

Steering switch

Condition

Resistance value

(

)

Connector

Terminal

Connector

Terminal

M303

14

M303

17

SOURCE switch ON

 0

MENU UP switch ON

120 – 122

MENU DOWN switch ON

318 – 324

 

 switch ON

716 – 730

15

VOL DOWN switch ON

0

VOL UP switch ON

120 – 122

 switch ON

318 – 324

AV

STEERING SWITCH SIGNAL GND CIRCUIT

AV-251

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

STEERING SWITCH SIGNAL GND CIRCUIT

Description

INFOID:0000000003544801

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000003544802

1.

CHECK STEERING SWITCH SIGNAL GND 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.

Connect AV control unit 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 AV control unit connector.

2.

Check continuity between AV control unit harness connector and ground.

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-252, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M81

15

M36

33

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M81

15

Not existed

AV-252

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

STEERING SWITCH SIGNAL GND CIRCUIT

Component Inspection

INFOID:0000000003756526

Measure the resistance between the steering switch connector.

JSNIA0216GB

Steering switch

Steering switch

Condition

Resistance value

(

)

Connector

Terminal

Connector

Terminal

M303

14

M303

17

SOURCE switch ON

 0

MENU UP switch ON

120 – 122

MENU DOWN switch ON

318 – 324

 

 switch ON

716 – 730

15

VOL DOWN switch ON

0

VOL UP switch ON

120 – 122

 switch ON

318 – 324

 

 

 

 

 

 

 

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