Infiniti G35 (V35) Sedan. Manual - part 93

 

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Infiniti G35 (V35) Sedan. Manual - part 93

 

 

AV-144

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Vehicle CAN Diagnosis

• CAN communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not

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.

• The error counter is erased if reset.

Error item

Description

Possible malfunction factor/Action to take

CAN COMM CIRCUIT

CAN communication malfunction is detect-
ed

Perform diagnosis with CONSULT-III, and 
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to 

AV-145, "CONSULT - III Function"

.

CONTROL UNIT (CAN)

CAN initial diagnosis malfunction is detect-
ed

Replace the AV control unit

CONTROL UNIT (AV)

AV communication circuit initial diagnosis 
malfunction is detected

FLASH-ROM Error Of Control Unit

AV control unit malfunction is detected

CAN Controller Memory Error

Front Display Connection Error

• Display unit power supply and ground 

circuit malfunction is detected

• Malfunction is detected on communica-

tion circuit between display unit and AV 
control unit

• Malfunction is detected on communica-

tion signal between display unit and AV 
control unit

• Display unit power supply and ground 

circuit

• Communication circuit between display 

unit and AV control unit

SAT Connection Error

• Satellite radio tuner power supply and 

ground circuit malfunction is detected

• Malfunction is detected on communica-

tion signal between satellite radio tuner 
and AV control unit

Satellite radio tuner power supply and 
ground circuit

• AV COMM CIRCUIT
• Switches Connection Error

• Multifunction switch power supply and 

ground circuit malfunction is detected

• A malfunction is detected in communica-

tion circuit between AV control unit and 
multifunction switch

• A malfunction is detected in communica-

tion signal between AV control unit and 
multifunction switch

• Multifunction switch power supply and 

ground circuits

• Communication circuit between AV con-

trol unit and multifunction switch

• AV COMM CIRCUIT
• H/F Unit Connection Error

• TEL adapter unit power supply and 

ground circuit malfunction is detected

• Malfunction is detected in communica-

tion circuit between TEL adapter unit and 
AV control unit

• Malfunction is detected in communica-

tion signal between TEL adapter unit and 
AV control unit

TEL adapter unit power supply and ground 
circuit

• AV COMM CIRCUIT
• Switches Connection Error
• H/F Unit Connection Error

Malfunction is detected in communication 
circuit between AV control unit and the 
branch point multifunction switch and TEL 
adapter unit

Communication circuit between AV control 
unit and the branch point multifunction 
switch and TEL adapter unit

Items

Display (Current)

Malfunction counter

(Past)

Tx (HVAC)

OK / UNKWN

OK / 0 - 39

Rx (ECM)

OK / UNKWN

OK / 0 - 39

Rx (Cluster)

OK / UNKWN

OK / 0 - 39

JSNIA0080GB

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-145

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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AV COMM Diagnosis

• Displays the communication status between AV control unit (mas-

ter unit) and each unit.

• The error counter displays “OK” if any malfunction was not

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.

• If it resets, the error counter is erased.

Delete Unit Connection Log

Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed)

Initialize Settings

Initializes the AV control unit memory.

CONSULT - III Function

INFOID:0000000000964637

CONSULT-III functions

CONSULT-III performs the following functions via the communication with the AV control unit.

Rx (BCM)

OK / UNKWN

OK / 0 - 39

Rx (HVAC)

OK / UNKWN

OK / 0 - 39

Rx (USM)

OK / UNKWN

OK / 0 - 39

Items

Display (Current)

Malfunction counter

(Past)

Items

Status

(Current)

Counter

(Past)

C Tx(ITM–SW)

OK / UNKWN

OK / 0 - 39

C Rx(PrimarySW–ITM)

OK / UNKWN

OK / 0 - 39

C Rx(XM–ITM)

OK / UNKWN

OK / 0 - 39

JSNIA0153GB

JSNIA0154GB

JSNIA0155GB

Diagnosis mode

Description

SELF-DIAG RESULTS

Performs the connection diagnosis of communication circuit between AV control unit and navi-
gation system and displays the current and past malfunctions collectively.

DATA MONITOR

The diagnosis of vehicle signal that is input to the AV control unit can be performed.

AV-146

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Self-diagnosis results

• In CONSULT-III self-diagnosis, self-diagnosis results and error history are displayed collectively.
• The current malfunction indicates “CRNT”. The past malfunction indicates “PAST”.
• The timing is displayed as “0” if any of the error codes [U1000], [U1010], [U1300] and [U1310] is detected.

The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.

Self-diagnosis detection range

Self-diagnosis results display item

AV COMM MONITOR

The communication status of navigation system can be monitored.

ECU PART NUMBER

The part number of AV control unit can be checked.

Diagnosis mode

Description

JSNIA0182GB

Error item

Description

Possible malfunction factor/Action to take

CAN COMM CIRCUIT [U1000]

CAN communication malfunction is detect-
ed

Perform diagnosis with CONSULT-III, and 
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to 

AV-145, "CONSULT - III Function"

.

CONTROL UNIT (CAN) [U1010]

CAN initial diagnosis malfunction is detect-
ed

Replace the AV control unit

CONTROL UNIT (AV) [U1310]

AV communication circuit initial diagnosis 
malfunction is detected

Control Unit FLASH-ROM [U1200]

AV control unit malfunction is detected

CAN CONT [U1216]

FRONT DISP CONN [U1243]

• Display unit power supply and ground 

circuit malfunction is detected

• Malfunction is detected on communica-

tion circuit between display unit and AV 
control unit

• Malfunction is detected on communica-

tion signal between display unit and AV 
control unit

• Display unit power supply and ground 

circuit

• Communication circuit between display 

unit and AV control unit

SAT CONN [U1255]

• Satellite radio tuner power supply and 

ground circuit malfunction is detected

• Malfunction is detected on communica-

tion signal between satellite radio tuner 
and AV control unit

Satellite radio tuner power supply and 
ground circuit

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-147

< FUNCTION DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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DATA MONITOR

ALL SIGNALS

• Displays the status of the following vehicle signals inputted to the AV control unit.
• For each signal, actual signal can be compared with the condition recognized on the system.

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 CIRCUIT [U1300]
• SWITCHE CONN [U1240]

• Multifunction switch power supply and 

ground circuit malfunction is detected

• A malfunction is detected in communica-

tion circuit between AV control unit and 
multifunction switch

• A malfunction is detected in communica-

tion signal between AV control unit and 
multifunction switch

• Multifunction switch power supply and 

ground circuits

• Communication circuit between AV con-

trol unit and multifunction switch

• AV COMM CIRCUIT [U1300]
• HAND FREE CONN [U1256]

• TEL adapter unit power supply and 

ground circuit malfunction is detected

• Malfunction is detected in communica-

tion circuit between TEL adapter unit and 
AV control unit

• Malfunction is detected in communica-

tion signal between TEL adapter unit and 
AV control unit

TEL adapter unit power supply and ground 
circuit

• AV COMM CIRCUIT [U1300]
• SWITCHE CONN [U1240]
• HAND FREE CONN [U1256]

Malfunction is detected in communication 
circuit between AV control unit and the 
branch point multifunction switch and TEL 
adapter unit

Communication circuit between AV control 
unit and the branch point multifunction 
switch and TEL adapter unit

Error item

Description

Possible malfunction factor/Action to take

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

 

 

 

 

 

 

 

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