Nissan Altima L32. Manual - part 13

AV-44

< ECU DIAGNOSIS >

[BASE AUDIO]

AUDIO UNIT (COUPE)

ECU DIAGNOSIS

AUDIO UNIT (COUPE)

Reference Value

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TERMINAL LAYOUT

PHYSICAL VALUES

AWNIA0043ZZ

Terminal

 (Wire color)

Item

Signal in-

put/out-

put

Condition

Reference value

+

–

Ignition 

switch

Operation

2 

(W)

3

 (B)

Audio sound 
signal front LH

Output

ON

Receive audio sig-
nal

4 

(O/B)

5 

(W/R)

Audio sound 
signal rear LH

Output

ON

Receive audio sig-
nal

6 

(W/G)

Ground

Remote con-
trol A

Input

ON

Press SOURCE 

switch

Approx. 0.0V

Press SEEK UP 

switch

Approx. 0.75V

Press VOL UP 

switch

Approx. 2.0V

Except for above

Approx. 5.0V

7

 (V/Y)

Ground

ACC signal

Input

ON

Ignition switch 
ACC or ON

Battery voltage

9

 (R/L)

8

(R/Y)

ILL signal

Input

ON

Headlamps ON

Battery voltage

SKIA0177E

SKIA0177E

AV

AUDIO UNIT (COUPE)

AV-45

< ECU DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

11 

(G/W)

12 

(BR)

Audio sound 
signal front 
RH

Output

ON

Receive audio sig-
nal

13

 (L)

14

 (B/W)

Audio sound 
signal rear RH

Output

ON

Receive audio sig-
nal

15

 (L/B)

–

Remote con-
trol ground

Input

–

–

–

16 

(GR/L)

Ground

Remote con-
trol B

Input

ON

Press SEEK 

DOWN switch

Approx. 0.75V

Press VOL DOWN 

switch

Approx. 2.0V

Except for above

Approx. 5.0V

19 

(Y/R)

Ground

Battery power

Input

–

–

Battery voltage

32 

(Y/L)

31

(W/L)

Audio left 
channel 
sound signal 
from satellite 
radio tuner

Input

ON

Receive audio sig-
nal

34 

(BR/L)

33

(Y/G)

Audio right 
channel 
sound signal 
from satellite 
radio tuner

Input

ON

Receive audio sig-
nal

35

–

Shield ground 
(audio signal)

–

–

–

0V

36

–

Shield ground 
(data)

–

–

–

0V

Terminal

 (Wire color)

Item

Signal in-

put/out-

put

Condition

Reference value

+

–

Ignition 

switch

Operation

SKIA0177E

SKIA0177E

SKIA0177E

SKIA0177E

AV-46

< ECU DIAGNOSIS >

[BASE AUDIO]

AUDIO UNIT (COUPE)

38 

(R)

Ground

Satellite radio 
tuner request 
to audio unit

Input

ON

Turn audio unit ON 

5V

39

(G)

Ground

Audio RX

Input

Operate audio vol-

ume 

40 

(B)

Ground

Audio TX

Output

Operate audio vol-

ume 

75 

(B)

Ground

Antenna amp 
power supply

Output

ON

Turn audio unit ON 

Battery voltage

76 

(B)

Ground

Main antenna

Input

ON

Turn audio unit ON 

–

Terminal

 (Wire color)

Item

Signal in-

put/out-

put

Condition

Reference value

+

–

Ignition 

switch

Operation

SKIA4403E

SKIA4402E

AV

AUDIO UNIT (COUPE)

AV-47

< ECU DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram — Coupe

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ABNWA0195GB