Infiniti FX35 / FX45. Manual - part 766

TROUBLE DIAGNOSIS

LAN-41

< SERVICE INFORMATION >

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

N

O

P

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.

LDW Camera 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.

Unified Meter and A/C Amp.

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.

ABS Actuator and Electric Unit (Control Unit)

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

I-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 unified 
meter and A/C amp.

BCM/SEC

Signal receiving status from the BCM

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

LKS

TRANSMIT DIAG

Not used even though indicated 

ECM

Signal receiving status from the ECM

OK

OK

or

1 – 39

*

UNKWN

0

VDC/TCS/ABS

Signal receiving status from the ABS actu-
ator and electric unit (control unit)

BCM/SEC

Signal receiving status from the BCM

TCM

Signal receiving status from the TCM

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

M&A

TRANSMIT DIAG

Signal transmission status

OK

OK

or

1 – 39

*

UNKWN

0

ECM

Signal receiving status from the ECM

TCM

Signal receiving status from the TCM

BCM/SEC

Signal receiving status from the BCM

VDC/TCS/ABS

Signal receiving status from the ABS actu-
ator and electric unit (control unit)

IPDM E/R

Not used even though indicated

DISPLAY

Signal receiving status from the display 
control unit

OK

OK

or

1 – 39

*

UNKWN

0

I-KEY

Signal receiving status from the Intelligent 
Key unit

EPS

Not used even though indicated

AWD/4WD

Signal receiving status from the AWD con-
trol unit

OK

OK

or

1 – 39

*

UNKWN

0

e4WD

Not used even though indicated

ICC

Signal receiving status from the ICC unit

OK

OK

or

1 – 39

*

UNKWN

0

LANE KEEP

Not used even though indicated

TIRE-P

LAN-42

< SERVICE INFORMATION >

[CAN]

TROUBLE DIAGNOSIS

CAUTION:

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

Driver Seat Control Unit

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

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.

MONITOR ITEM LIST (ON-BOARD DIAGNOSIS)

Display Control Unit

NOTE:
CAN diagnostic support monitor of the display control unit is indicated on the vehicle display. Refer to 

AV-77,

"CAN Diagnostic Support Monitor"

.

ITEM

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

Not used even though indicated

STRG

Signal receiving status from the steering angle sensor

OK

UNKWN

ICC

Not used even though indicated

AWD/4WD

Signal receiving status from the AWD control unit

OK

UNKWN

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

ADP

INITIAL DIAG

Status of CAN controller

OK

NG

TRANSMIT DIAG

Signal transmission status

UNKWN

BCM/SEC

Signal receiving status from the BCM

METER/M&A

Signal receiving status from the unified meter and A/C amp.

TCM

Signal receiving status from the TCM

ITEM

CAN DIAG SUP-

PORT MNTR

Description

Normal

Error

PRSNT

PAST

PRSNT

PAST

IPDM-E

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

PKIB6080E

TROUBLE DIAGNOSIS

LAN-43

< SERVICE INFORMATION >

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

N

O

P

*: The error counter stops counting when it reaches “50” and holds “50” until it is deleted.

CAN System Specification Chart

INFOID:0000000001328635

Determine CAN system type from the following specification chart. Then choose the correct diagnosis sheet.
NOTE:
Refer to 

LAN-14, "Trouble Diagnosis Procedure"

 for how to use CAN system specification chart.

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE:

Unit name

Diagnosis item

Description

Indicated items on CAN DIAG SUPPORT MONITOR

Normal

Error

Result indi-

cated

Error 

counter 

(Reference)

Result indi-

cated

Error 

counter 

(Reference)

Display control 
unit

CAN_COMM

Status of CAN controller

OK

0

or

1 – 50*

NG

1 – 50*

CAN_CIRC_1

Signal transmission status

UNKWN

CAN_CIRC_2

Signal receiving status from the 
BCM

CAN_CIRC_3

Signal receiving status from the 
ECM

CAN_CIRC_4

Not used even though indicated

CAN_CIRC_5

Signal receiving status from the uni-
fied meter and A/C amp.

OK

0

or

1 – 50*

UNKWN

1 – 50*

CAN_CIRC_6

Not used even though indicated

CAN_CIRC_7

Signal receiving status from the 
IPDM E/R

OK

0

or

1 – 50*

UNKWN

1 – 50*

CAN_CIRC_8

Not used even though indicated

CAN_CIRC_9

Body type

Wagon

Axle

2WD

AWD

Engine

VQ35DE

VK45DE

Transmission

A/T

Brake control

VDC

ICC system

×

×

×

Intelligent Key system

×

×

×

×

×

×

Lane departure warning system

×

×

×

CAN  system  type

1

2

3

4

5

6

7

8

Diagnosis sheet

LAN-60

LAN-61

LAN-62

LAN-63

LAN-64

LAN-65

LAN-66

LAN-67

CAN communication signal chart

“TYPE 1/TYPE 2”

“TYPE 3”

“TYPE 4/TYPE 5/

TYPE 7”

“TYPE 6/

TYPE 8”

“TYPE 4/

TYPE 5/
TYPE 7”

“TYPE 6/

TYPE 8”

LAN-44

< SERVICE INFORMATION >

[CAN]

TROUBLE DIAGNOSIS

Check CAN system type from the vehicle shape and equipment.

CAN Communication Signal Chart

INFOID:0000000001328636

Refer to 

LAN-13, "How to Use CAN Communication Signal Chart"

 for how to use CAN communication signal

chart.

TYPE 1/TYPE 2

NOTE:
Refer to 

LAN-37, "Abbreviation List"

 for the abbreviations of the connecting units. 

T: Transmit

R: Receive

PKID0615E

Signal name/Connecting unit

ECM

DIS

P

TCM

BCM

I-KEY

STRG

M&A

ABS

ADP

IPDM

-E

A/C compressor feedback signal

T

R

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

R

ASCD CRUISE lamp signal

T

R

ASCD OD cancel request signal

T

R

ASCD operation signal

T

R

ASCD SET lamp signal

T

R

Battery voltage signal

T

R 

Closed throttle position signal

T

R 

Cooling fan speed request signal

T

R

Engine coolant temperature signal

T

R

Engine speed signal

T

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

Malfunctioning indicator lamp signal

T

R

Wide open throttle position signal

T

R 

A/C switch/indicator signal

T

R

R

T

System setting signal

T

R

R

R

T

T

A/T CHECK indicator lamp signal

T

R

A/T self-diagnosis signal

R

T