Nissan Qashqai (2007-2010). Manual — part 1939

AV-14

< COMPONENT DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT

Standard

Between terminals 20 and 17

VOL UP switch ON

: 634 – 665

Ω

SEEK UP switch ON

: 162 – 168

Ω

SOURCE switch ON

: 0

Ω

Between terminals 16 and 17

VOL DOWN switch ON

: 634 – 665

Ω

SEEK DOWN switch ON

: 162 – 168

Ω

switch ON

: 0

Ω

JPNIA0167GB

AV

STEERING SWITCH SIGNAL GND CIRCUIT

AV-15

< COMPONENT DIAGNOSIS >

[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:0000000000999576

Transmits the steering switch signal to audio unit.

Diagnosis Procedure

INFOID:0000000000996446

1.

CHECK STEERING SWITCH SIGNAL GND CIRCUIT

1.

Disconnect audio unit connector and spiral cable connector.

2.

Check continuity between audio unit harness connector terminal 15 and spiral cable harness connector
terminal 31.

3.

Connect audio 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 audio unit connector.

2.

Check continuity between audio unit harness connector terminal 15 and ground.

Is inspection result OK?

YES

>> GO TO 4.

NO

>> Replace audio unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to

AV-15, "Component Inspection"

.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace steering switch.

Component Inspection

INFOID:0000000000999578

Measure the resistance between the steering switch connector terminals 20 to 17 and 16 to 17.

Standard

15 - 31

: Continuity should exist.

15 - Ground

: Continuity should exist.

Between terminals 20 and 17

VOL UP switch ON

: 634 – 665

Ω

SEEK UP switch ON

: 162 – 168

Ω

SOURCE switch ON

: 0

Ω

Between terminals 16 and 17

VOL DOWN switch ON

: 634 – 665

Ω

SEEK DOWN switch ON

: 162 – 168

Ω

switch ON

: 0

Ω

JPNIA0167GB

AV-16

< ECU DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

AUDIO UNIT

ECU DIAGNOSIS

AUDIO UNIT

Reference Value

INFOID:0000000000996452

TERMINAL LAYOUT

PHYSICAL VALUES

JPNIA0230ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

2

(L)

3

(G)

Sound signal front LH

Output

Ignition

switch

ON

Voice output

4

(LG)

5

(Y)

Sound signal rear LH

Output

Ignition

switch

ON

Voice output

6

(R)

15

(B)

Steering switch signal A

Input

Ignition

switch

ON

Keep pressing SOURCE
switch.

0 V

Keep pressing SEEK UP
switch.

1.7 V

Keep pressing VOL UP
switch.

3.3 V

Except for above.

5 V

7

(R)

Ground

ACC power supply

Input

Ignition

switch

ACC

−

Battery voltage

11

(BR)

12

(P)

Sound signal front RH

Output

Ignition

switch

ON

Voice output

SKIB3609E

SKIB3609E

SKIB3609E

AV

AUDIO UNIT

AV-17

< ECU DIAGNOSIS >

[AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

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J

K

L

M

B

A

O

P

13

(O)

14

(V)

Sound signal rear RH

Output

Ignition

switch

ON

Voice output

15

(B)

Ground

Steering switch signal GND

—

Ignition

switch

ON

—

0 V

16

(Y)

15

(B)

Steering switch signal B

Input

Ignition

switch

ON

Keep pressing

switch.

0 V

Keep pressing SEEK
DOWN switch.

1.7 V

Keep pressing VOL DOWN
switch.

3.3 V

Except for above.

5 V

17

(SB)

—

Immobilizer

—

—

—

—

18

(Y)

Ground

Vehicle speed signal (8-
pulse)

Input

Ignition

switch

ON

When vehicle speed is ap-
prox. 40 km/h (25MPH)

19

(LG)

Ground

Battery power supply

Input

Ignition

switch

OFF

—

Battery voltage

31

(B)

Ground

GND

—

Ignition

switch

ON

—

0 V

35

(B/W)

36

Microphone signal

Input

Ignition

switch

ON

Sounds

36

Ground

Microphone GND

—

Ignition

switch

ON

—

0 V

37

(L)

36

Microphone VCC

Output

Ignition

switch

ON

—

5 V

42

—

Antenna signal

Input

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIA6649J

PKIB5037J