Nissan Altima HL32 Hybrid. Manual - part 68

AV-264

< ECU DIAGNOSIS >

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CD CHANGER

CD CHANGER

Reference Value

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TERMINAL LAYOUT

PHYSICAL VALUES

AWNIA0061ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

Ignition 

switch

Operation

2

(Y/L)

1 

(W/L)

CD changer sound signal LH

Output

Ignition 

switch 

ON

When CD change 
mode is selected

4

(Y/G)

3

(BR/L)

CD changer sound signal RH

Output

Ignition 

switch 

ON

When CD change 
mode is selected

5

—

Shield

—

—

—

—

6

—

Shield

—

—

—

—

8

(R)

Ground

Request signal
(CD

→CONT)

Output

Ignition 

switch 

ON

When CD change 
mode is selected

9 

(B)

Ground

Communication signal 
(CONT

→CD)

Input

Ignition 

switch 

ON

When CD change 
mode is selected

SKIB3609E

SKIB3609E

SKIA9299J

SKIA9300J

AV

CD CHANGER

AV-265

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10 

(G)

Ground

Communication signal
(CD

→CONT)

Output

Ignition 

switch 

ON

When CD change 
mode is selected

12 

(Y/R)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

13 

(R/Y)

Ground

Illumination (-)

Input

OFF

—

Refer to 

INL-9, "System Descrip-

tion"

.

14 

(R/L)

Ground

Illumination (+)

Input

OFF

Lighting switch is 
OFF.

0V

Lighting switch is 
ON.

Battery voltage

16 

(V/Y)

Ground

ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

Ignition 

switch

Operation

SKIA9301J

AV-266

< SYMPTOM DIAGNOSIS >

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MULTI AV SYSTEM

SYMPTOM DIAGNOSIS

MULTI AV SYSTEM

Symptom Table

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NAVIGATION SYSTEM

HANDS-FREE PHONE SYSTEM

REAR VIEW MONITOR

AUDIO SYSTEM

Symptom

Possible cause

Reference page

Inoperative

• AV control unit power and ground circuit
• AV  control  unit

•

AV-207

•

AV-278

Steering switch does not operate

• Steering switch
• AV  control  unit

•

AV-228

•

AV-278

Voice activated control does not operate

• Microphone
• Steering switch
• AV  control  unit

•

AV-230

•

AV-228

•

AV-278

Symptom

Possible cause

Reference page

Inoperative

• AV control unit power and ground circuit
• AV  control  unit

•

AV-207

•

AV-278

Steering switch does not operate

• Steering switch
• AV  control  unit

•

AV-228

•

AV-278

Voice activated control does not operate

• Microphone
• Steering switch
• AV  control  unit

•

AV-230

•

AV-228

•

AV-278

Symptom

Possible cause

Reference page

Inoperative

• Rear view camera control unit power and ground circuit
• Reverse signal circuit
• Camera ON signal circuit
• Camera image signal circuit (rear view camera to rear 

view camera control unit)

• Camera image signal circuit (rear view camera control 

unit to AV control unit)

• Rear view camera control unit

•

AV-207

•

AV-235

•

AV-233

•

AV-232

•

AV-234

•

AV-294

Symptom

Possible cause

Reference page

Inoperative

• AV control unit power and ground circuit
• AV  control  unit

•

AV-207

•

AV-278

Steering switch does not operate

• Steering switch
• AV  control  unit

•

AV-228

•

AV-278

All speakers do not sound

• AV control unit power and ground circuit
• BOSE speaker amp. ON signal 
• BOSE speaker amp. power and ground circuit
• BOSE speaker amp. 
• AV  control  unit

•

AV-207

•

AV-227

•

AV-209

•

AV-279

•

AV-278

One or several speakers do not sound

• Front door speaker
• Tweeter
• Center speaker
• Rear door speaker 
• Rear subwoofer

•

AV-213

•

AV-216

•

AV-219

•

AV-221

•

AV-224

AV

NORMAL OPERATING CONDITION

AV-267

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NORMAL OPERATING CONDITION

Description

INFOID:0000000004219609

AUDIO SYSTEM

The majority of the audio troubles are the result of outside causes (bad CD, electromagnetic interference,

etc.).

Noise

The following noise results from variations in field strength, such as fading noise and multi-path noise, or

external noise from trains and other sources. It is not a malfunction.

• Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-

tains or buildings blocking the signal.

• Multi-path noise: This noise results from the waves sent directly from the broadcast station arriving at the

antenna at a different time from the waves which reflect off mountains or buildings.

The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.

Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and opera-

tion of each piece of electrical equipment, and determine the cause.

NOTE:

The source of the noise can be found easily by listening to the noise while removing the fuses of electrical

components, one by one.

Type of Noise and Possible Cause

NAVIGATION SYSTEM

Basic Operation

Vehicle Mark

Occurrence condition

Possible cause

Occurs only when engine is ON.

A continuous growling noise occurs. The speed of 
the noise varies with changes in the engine speed.

• Ignition components

The occurrence of the noise is linked with the operation of the fuel pump.

• Fuel pump condenser

Noise only occurs when various 
electrical components are oper-
ating.

A cracking or snapping sound occurs with the op-
eration of various switches.

• Relay malfunction, audio unit malfunction

The noise occurs when various motors are operat-
ing.

• Motor case ground
• Motor

The noise occurs constantly, not just under certain conditions.

• Rear defogger coil malfunction
• Open circuit in printed heater
• Poor ground of antenna feeder line

A cracking or snapping sound occurs while the vehicle is being driven, especially when 
it is vibrating excessively.

• Ground wire of body parts
• Ground due to improper part installation
• Wiring connections or a short circuit

Symptom

Cause

Remedy

No image is shown.

Display brightness adjustment is set fully to DARK 
side.

Adjust the display brightness.

No guide sound is heard.
Audio guide volume is too low or 
too high.

Volume control is set to OFF, MIN or MAX.

Adjust the audio guide volume.

Audio guidance is not available while the vehicle is 
driving on a dark pink route.

System is not malfunctioning.

Screen is too dark.
Motion of the image is too slow.

Temperature inside the vehicle is low.

Wait until the temperature inside the vehicle 
reaches the proper temperature.

Small black or bright spots appear 
on the screen.

Symptom peculiar to a liquid crystal display (dis-
play unit).

System is not malfunction.