Infiniti G35 (V35) Sedan. Manual - part 71

AV-56

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT

STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000000964578

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000000964579

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 terminal 31.

3.

Check continuity between AV control unit harness connector terminals 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-56, "Component Inspection"

.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace steering switch.

Component Inspection

INFOID:0000000000964580

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

16 - 31

: Continuity should exist.

16 - Ground

: Continuity should not exist.

16 - 15

: Approx. 3.3 V

AV

STEERING SWITCH SIGNAL B CIRCUIT

AV-57

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

N

A

O

P

Standard

Between terminals 14 and 17

MENU DOWN switch ON

: 318 – 324 

Ω

MENU UP switch ON

: 120 – 122 

Ω

SOURCE switch ON

: 0 

Ω

Between terminals 15 and 17

VOL UP switch ON

: 120 – 122

Ω

VOL DOWN switch ON

: 0 

Ω

JSNIA0215GB

AV-58

< COMPONENT DIAGNOSIS >

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STEERING SWITCH SIGNAL GND CIRCUIT

STEERING SWITCH SIGNAL GND CIRCUIT

Description

INFOID:0000000000964581

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000000964582

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:0000000000964583

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

Standard

15 - 33

: Continuity should exist.

15 - Ground

: Continuity should exist.

Between terminals 14 and 17

MENU DOWN switch ON

: 318 – 324 

Ω

MENU UP switch ON

: 120 – 122 

Ω

SOURCE switch ON

: 0 

Ω

Between terminals 15 and 17

VOL UP switch ON

: 120 – 122

Ω

VOL DOWN switch ON

: 0 

Ω

JSNIA0215GB

AV

AV CONTROL UNIT

AV-59

< ECU DIAGNOSIS >

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C

D

E

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M

B

N

A

O

P

ECU DIAGNOSIS

AV CONTROL UNIT

Reference Value

INFOID:0000000000964584

VALUES ON THE DIAGNOSIS TOOL

CONSULT-III data monitor item

TERMINAL LAYOUT

PHYSICAL VALUES

Display Item

Dis-
play

Vehicle status

Remarks

VHCL SPD SIG

ON

Vehicle speed >0 km/h (0 MPH)

Changes in indication may be delayed. This is nor-
mal.

OFF

Vehicle speed =0 km/h (0 MPH)

PKB SIG

ON

Parking brake is applied.

Changes in indication may be delayed. This is nor-
mal.

OFF

Parking brake is released.

ILLUM SIG

ON

Block the light beam from the auto 
light optical sensor when the light SW 
is ON .

—

OFF

Expose the auto light optical sensor 
to light when the light SW is OFF or 
ON.

IGN SIG

ON

Ignition switch ON

—

OFF

Ignition switch in ACC position

REV SIG

ON

Selector lever in R position

Changes in indication may be delayed. This is nor-
mal.

OFF

Selector lever in any position other 
than R

JPNIA0012ZZ