Infiniti EX35. Manual — part 91

AV

SATELLITE RADIO TUNER

AV-145

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

JCNWM0740GB

AV-146

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

SATELLITE RADIO TUNER

JCNWM0741GB

AV

SATELLITE RADIO TUNER

AV-147

< ECU DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NOTE:
The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.

JCNWM0742GB

AV-148

< SYMPTOM DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

MULTI AV SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

MULTI AV SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000003508434

OPERATION

RELATED TO RGB IMAGE

Trouble diagnosis chart by symptom

RELATED TO AUDIO

Trouble diagnosis chart by symptom

Symptoms

Check items

Possible malfunction location / Action to take

Multifunction switch and preset
switch operation does not work.

• All switches cannot be operated.
• “MULTI AV” is displayed with CON-

SULT-III.

• Multifunction switch power supply and ground circuit.
• AV communication circuits between AV control unit

and multifunction switch.

Perform CONSULT-III self-diagnosis. Refer to

AV-37,

"CONSULT-III Function (MULTI AV)"

.

• All switches cannot be operated.
• “MULTI AV” is not displayed on sys-

tem selection screen the CONSULT-
III is initialized.

AV control unit power supply and ground circuit malfunc-
tion. Refer to

AV-51, "AV CONTROL UNIT : Diagnosis

Procedure"

.

Only specified switch cannot be operat-
ed.

Multifunction switch or preset switch malfunction. Per-
form multifunction switch and preset switch self-diagno-
sis function. Refer to

AV-52, "MULTIFUNCTION

SWITCH : Diagnosis Procedure"

.

Symptoms

Check items

Possible malfunction location / Action to take

RGB image is not shown.

There is malfunction in the CONSULT-III
self-diagnosis result.

Perform CONSULT-III self-diagnosis.
Refer to

AV-37, "CONSULT-III Function (MULTI AV)"

.

There is no malfunction in CONSULT-III
self-diagnosis results.

• Display unit power supply and ground circuit.

Refer to

AV-51, "DISPLAY UNIT : Diagnosis Proce-

dure"

.

• Vertical synchronizing (VP) signal circuit.

Refer to

AV-61, "Diagnosis Procedure"

.

Color of RGB image is not
proper.

Light blue (Cyan) tint.

RGB signal (R: red) circuit.
Refer to

AV-55, "Diagnosis Procedure"

.

Purple (Magenta) tint.

RGB signal (G: green) circuit.
Refer to

AV-56, "Diagnosis Procedure"

.

Screen looks yellowish.

RGB signal (B: blue) circuit.
Refer to

AV-57, "Diagnosis Procedure"

.

RGB screen is rolling.

—

RGB synchronizing signal circuit.
Refer to

AV-58, "Diagnosis Procedure"

.

Fuel economy display is mal-
functioning.

There is malfunction in the CONSULT-III
self-diagnosis result.

Perform CONSULT-III self-diagnosis.
Refer to

AV-37, "CONSULT-III Function (MULTI AV)"

.

There is no malfunction in CONSULT-III
self-diagnosis results.

Ignition signal circuit malfunction.
Refer to

AV-51, "AV CONTROL UNIT : Diagnosis Proce-

dure"

.

Symptoms

Check items

Possible malfunction location / Action to take

The CD cannot be removed.

—

Disk eject signal circuit. Refer to

AV-64, "Diagnosis Pro-

cedure"

.

Audio sound is not heard.

No sound from all speakers.

AV control unit malfunction.
Refer to

AV-156, "Exploded View"

.

Sound is not heard only from the specific
places (RH front, RH rear, LH front and
LH rear).

Sound signal circuit of malfunctioning system.