Infiniti G35 (V35) Sedan. Manual — part 157

AV-400

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

STEERING SWITCH SIGNAL A CIRCUIT

Standard

Between terminals 14 and
17

ENTER switch ON

: 2003 – 2043

Ω

switch ON

: 716 – 730

Ω

MENU DOWN switch ON

: 318 – 324

Ω

MENU UP switch ON

: 120 – 122

Ω

SOURCE switch ON

: 0

Ω

Between terminals 15 and
17

switch ON

: 716 – 730

Ω

switch ON

: 318 – 324

Ω

VOL UP switch ON

: 120 – 122

Ω

VOL DOWN switch ON

: 0

Ω

JSNIA0112GB

AV

STEERING SWITCH SIGNAL B CIRCUIT

AV-401

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

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STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000000964884

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000000964885

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 terminal 16 and spiral cable harness connec-
tor terminals 31.

3.

Check continuity between AV control unit harness connector terminal 16 and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable.

Is inspection result OK?

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 terminals 16 and 15.

Is inspection result OK?

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-401, "Component Inspection"

.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace steering switch.

Component Inspection

INFOID:0000000000964886

Measure the resistance between the steering switch connecter terminals 14 to 17 and 15 to 17.

16 - 31

: Continuity should exist.

16 - Ground

: Continuity should not exist.

16 - 15

: Approx. 5 V

AV-402

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT

Standard

Between terminals 14 and
17

ENTER switch ON

: 2003 – 2043

Ω

switch ON

: 716 – 730

Ω

MENU DOWN switch ON

: 318 – 324

Ω

MENU UP switch ON

: 120 – 122

Ω

SOURCE switch ON

: 0

Ω

Between terminals 15 and
17

switch ON

: 716 – 730

Ω

switch ON

: 318 – 324

Ω

VOL UP switch ON

: 120 – 122

Ω

VOL DOWN switch ON

: 0

Ω

JSNIA0112GB

AV

STEERING SWITCH SIGNAL GND CIRCUIT

AV-403

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

N

A

O

P

STEERING SWITCH SIGNAL GND CIRCUIT

Description

INFOID:0000000000964887

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000000964888

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 terminal 15 and spiral cable harness connec-
tor terminal 33.

3.

Connect AV control unit connector.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable.

Is inspection result OK?

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 terminal 15 and ground.

Is inspection result OK?

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-58, "Component Inspection"

.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace steering switch.

Component Inspection

INFOID:0000000000964889

Measure the resistance between the steering switch connecter terminals 14 to 17 and 15 to 17.

Standard

15 - 33

: Continuity should exist.

15 - Ground

: Continuity should exist.

Between terminals 14 and
17

ENTER switch ON

: 2003 – 2043

Ω

switch ON

: 716 – 730

Ω

MENU DOWN switch ON

: 318 – 324

Ω

MENU UP switch ON

: 120 – 122

Ω

SOURCE switch ON

: 0

Ω

JSNIA0112GB