Infiniti G35 (V35). Manual - part 571

LAN-44

[CAN]

TROUBLE DIAGNOSIS

TROUBLE DIAGNOSIS

PFP:00004

CAN Diagnostic Support Monitor

NKS004HZ

Use “CAN DIAG SUPPORT MNTR” for detecting the root cause.

MONITOR ITEM LIST (CONSULT-II)
ECM

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

TCM

NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

ENGINE

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

VDC/TCS/ABS

Signal receiving status from the VDC/TCS/
ABS control unit

METER/M&A

Signal receiving status from the combina-
tion meter

BCM/SEC

Signal receiving status from the BCM

ICC

Not used even though indicated

HVAC

TCM

Signal receiving status from the TCM

OK

OK

or

1 – 39

*

UNKWN

0

EPS

Not used even though indicated

IPDM E/R

Signal receiving status from the IPDM E/R

OK

OK

or

1 – 39

*

UNKWN

0

e4WD

Not used even though indicated

AWD/4WD

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

A/T

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Not used even though indicated

METER/M&A

Signal receiving status from the combination meter

OK

UNKWN

ICC/e4WD

Not used even though indicated

AWD/4WD

TROUBLE DIAGNOSIS

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LAN

VDC/TCS/ABS Control Unit

CAUTION:

Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures. 

Intelligent Key Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

BCM

NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ABS

INITIAL DIAG

Status of CAN controller

OK

NG

Caution

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

METER/M&A

Signal receiving status from the combination meter

STRG

Signal receiving status from the steering angle sensor

ICC

Not used even though indicated

RAS C/U

Signal receiving status from the RAS control unit

OK

UNKWN

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

INTELLIGENT 
KEY

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

METER/M&A

Signal receiving status from the combina-
tion meter

BCM/SEC

Signal receiving status from the BCM

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

BCM

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

ECM

Signal receiving status from the ECM

IPDM E/R

Signal receiving status from the IPDM E/R

METER/M&A

Signal receiving status from the combination meter

I-KEY

With Intelligent Key system: Signal receiving status from the Intel-
ligent Key unit

Without Intelligent Key system: Not used even though indicated

LAN-46

[CAN]

TROUBLE DIAGNOSIS

Driver Seat Control Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

RAS Control Unit

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

IPDM E/R

0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF

→

ON)

*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

AUTO DRIVE 
POS.

TRANSMIT DIAG

Not used even though indicated

METER/M&A

Signal receiving status from the combina-
tion meter

OK

OK

or

1 – 39

*

UNKWN

0

BCM/SEC

Signal receiving status from the BCM

TCM

A/T models: Signal receiving status from 
the TCM

M/T models: Not used even through indicated

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

4WAS(MAIN)/
RAS/HICAS

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

VDC/TCS/ABS

Signal receiving status from the VDC/TCS/
ABS control unit

STRG

Signal receiving status from the steering 
angle sensor

SELECT SYS-

TEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

IPDM E/R

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

BCM/SEC

Signal receiving status from the BCM

TROUBLE DIAGNOSIS

LAN-47

[CAN]

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LAN

CAN System Specification Chart

NKS004I0

Determine CAN system type from the following specification chart. Then choose the correct diagnosis sheet.

NOTE:
Refer to 

LAN-19, "CHECK OF CAN SYSTEM TYPE (HOW TO USE CAN SYSTEM TYPE SPECIFICATION

CHART)"

  for how to use CAN system specification chart.

X: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE:
Check CAN system type from the vehicle shape and equipment.

Body type

Coupe

Axle

2WD

Engine

VQ35DE

Transmission

 M/T

A/T

Brake control

VDC

Rear active steer

X

X

Automatic drive positioner

X

X

X

X

CAN system type

1

2

3

4

5

6

Diagnosis sheet

LAN-60

LAN-61

LAN-62

LAN-63

LAN-64

LAN-65

CAN communication signal chart

LAN-48, "TYPE 1/TYPE 2/TYPE3"

LAN-49, "TYPE 4/TYPE 5/TYPE 6"

PKID0533E