Infiniti G35 (V35) Sedan. Manual - part 64

AV-28

< FUNCTION DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

SELECTION FROM MENU

Allows the technician to select which vehicle signals should be displayed and displays the status of the
selected vehicle signals.

AV COMM MONITOR

AV&NAVI C/U

• Displays the communication status from AV control unit to each unit as well as the error counter.
• The error counter displays “OK” if no malfunction was detected in the past and displays “0” if a malfunction is

detected. It increases by 1 if the condition is normal at the next ignition switch ON cycle. The upper limit of
the counter is 39.

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.

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

Item to be selected

Description

VHCL SPD SIG

The same as when “ALL SIGNALS” 
is selected.

PKB SIG

ILLUM SIG

IGN SIG

REV SIG

Items

Display (Current)

Malfunction 

counter

(Past)

TRANSMIT DIAG

OK / UNKWN

OK / 0 – 39

PANEL SWITCH

OK / UNKWN

OK / 0 – 39

SW SECONDARY

—

—

RR CONTROL SW

—

—

STEERING SW

—

—

AUDIO

—

—

SPEAKER AMP

—

—

SIDE CAMERA

—

—

REAR CAMERA

—

—

TV TUNER

—

—

DVD PLAYER

—

—

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-29

< FUNCTION DIAGNOSIS >

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AUDIO

• Displays the AV control unit communication status and the error counter.
• This item does not use.

ECU PART NUMBER

The part number of AV control unit is displayed.

VIDEO DIST

—

—

ETC

—

—

HANDS FREE

OK / UNKWN

OK / 0 – 39

XM

—

—

IPOD

—

—

FM MULTI

—

—

REMOTE CONT

—

—

Items

Display (Current)

Malfunction 

counter

(Past)

Items

Display (Current)

Malfunction 

counter

(Past)

TRANSMIT DG

—

—

SPEAKER AMP

—

—

TV TUNER

—

—

DVD PLAYER

—

—

MD DECK

—

—

CD CHANGER

—

—

MD CHANGER

—

—

IPOD

—

—

AV-30

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

U1000 CAN COMM CIRCUIT

COMPONENT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000000964530

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H, CAN-L) allowing a high rate of information transmission with less wiring. Each
control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to 

LAN-28, "CAN Communication Signal Chart"

.

DTC Logic

INFOID:0000000000964531

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000000964532

1.

PERFORM SELF DIAGNOSTIC

1.

Turn ignition switch ON and wait for 2 second or more.

2.

Check “Self Diagnostic Result” of “MULTI AV”. 

Is “CAN COMM CIRCUIT” displayed?

YES

>> Refer to “LAN system”. Refer to 

LAN-18, "Trouble Diagnosis Flow Chart"

.

NO

>> Refer to GI section. Refer to 

GI-39, "Intermittent Incident"

.

DTC

Display contents of CON-

SULT-III

Diagnostic item is detected when ...

Probable malfunction location

U1000

CAN COMM CIRCUIT

When AV control unit is not transmitting or re-
ceiving CAN communication signal for 2 sec-
onds or more.

CAN communication system

AV

U1010 CONTROL UNIT (CAN)

AV-31

< COMPONENT DIAGNOSIS >

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U1010 CONTROL UNIT (CAN)

Description

INFOID:0000000000964533

Initial diagnosis of AV control unit.

DTC Logic

INFOID:0000000000964534

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000000964535

1.

REPLACE AV CONTROL UNIT

When DTC U1010 is detected, replace AV control unit.

>> INSPECTION END

DTC

Display contents of CON-

SULT-III

Diagnostic item is detected when ...

Probable malfunction location

U1010

CONTROL UNIT (CAN)

CAN initial diagnosis malfunction is detected

AV control unit