Infiniti G37 Coupe. Manual - part 838

LAN

CAN COMMUNICATION SYSTEM

LAN-25

< FUNCTION DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

FUNCTION DIAGNOSIS

CAN COMMUNICATION SYSTEM

CAN System Specification Chart

INFOID:0000000001666015

Determine CAN system type from the following specification chart.
NOTE:
Refer to 

LAN-16, "Trouble Diagnosis Procedure"

 for how to use CAN system specification chart.

×

: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

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

CAN Communication Signal Chart

INFOID:0000000001666016

Refer to 

LAN-15, "How to Use CAN Communication Signal Chart"

 for how to use CAN communication signal

chart.
NOTE:
Refer to 

LAN-21, "Abbreviation List"

 for the abbreviations of the connecting units. 

T: Transmit

R: Receive

Body type

Coupe

Axle

2WD

Engine

VQ37VHR

Transmission

M/T

A/T

Brake control

VDC

4WAS

×

×

×

×

ICC system

×

×

×

×

CAN  system  type

1

2

3

4

5

6

7

8

Start CAN Diagnosis
(CONSULT-III)

1

2

3

4

5

6

7

8

JPMIA0497GB

Signal name/Connecting unit

ECM

AV

BCM

PSB

TCM

AFS

M&A

STRG

ADP

RAS

ABS

IC

C

IPDM

-E

A/C compressor request signal

T

R

Accelerator pedal position signal 

T

R

R

R

ASCD OD cancel request signal

T

R

ASCD operation signal

T

R

LAN-26

< FUNCTION DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

ASCD status signal

T

R

ASCD SET indicator signal

T

R

Closed throttle position signal

T

R 

R

Cooling fan speed request signal

T

R

Engine and A/T integrated control signal

T

R

R

T

Engine coolant temperature signal

T

R

Engine speed signal

T

R

R

R

R

R

R

Engine status signal

T

R

R

Fuel consumption monitor signal

T

R

R

ICC brake switch signal

T

R

ICC clutch switch signal

*1

T

R

ICC prohibition signal

T

R

ICC steering switch signal

T

R

Malfunctioning indicator lamp signal

T

R

Park/neutral position switch signal

*1

T

R

Power generation command value signal

T

R

Snow mode switch signal

T

R

R

R

T

Stop lamp switch signal

T

R

T

R

T

R

Wide open throttle position signal

T

R 

A/C switch/indicator signal

T

R

R

T

Rear window defogger switch signal

T

R

System setting signal

T

R

R

R

T

R

T

Buzzer output signal

T

R

R

T

Door switch signal

R

T

R

R

R

Door unlock signal

T

R

Front fog light request signal

T

R

R

Front wiper request signal

T

R

R

High beam request signal

T

R

R

Horn reminder signal

T

R

Ignition switch ON signal

T

R

R

T

Ignition switch signal

T

R

Interlock/PNP switch signal

T

R

R

T

Signal name/Connecting unit

ECM

AV

BCM

PSB

TCM

AFS

M&A

STRG

ADP

RAS

ABS

ICC

IPDM

-E

LAN

CAN COMMUNICATION SYSTEM

LAN-27

< FUNCTION DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Key ID signal

T

R

Key switch signal

T

R

Key warning lamp signal

T

R

Low beam request signal

T

R

Meter display signal

T

R

R

T

Oil pressure switch signal

T

R

R

T

Position light request signal

T

R

R

Rear window defogger control signal

T

R

R

R

R

T

Sleep wake up signal

T

R

R

R

Starter control relay signal

T

R

Starter relay status signal

R

T

T

R

Starting mode signal

T

R

Steering lock relay signal

R

T

T

R

Theft warning horn request signal

T

R

Tire pressure signal

T

R

Trunk switch signal

R

T

R

Turn indicator signal

T

R

A/T CHECK indicator lamp signal

T

R

R

A/T self-diagnosis signal

R

T

Current gear position signal

T

R

R

Manual mode indicator signal

T

R

R

N range signal

R

T

R

Output shaft revolution signal

R

T

R

P range signal

R

T

R

R

R

R range signal

T

R

Shift position signal

R

*2

T

R

R

R

R

Turbine revolution signal

R

T

R

AFS OFF indicator lamp signal

T

R

A/C evaporator temperature signal

R

T

A/C switch signal

R

T

Blower fan motor switch signal

R

T

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Not manual mode signal

R

T

Signal name/Connecting unit

ECM

AV

BCM

PSB

TCM

AFS

M&A

STRG

ADP

RAS

ABS

ICC

IPDM

-E

LAN-28

< FUNCTION DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

*1: M/T models only

*2: Receive reverse position signal only

NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.

Parking brake switch signal

R

T

Seat belt buckle switch signal

R

T

Sleep-ready signal

R

T

R

T

Target A/C evaporator temperature signal

R

T

Vehicle speed signal

R

R

R

R

R

R

T

R

R

R

R

R

T

R

Wake up signal

R

T

Steering angle sensor signal

R

T

R

R

4WAS signal

T

R

4WAS warning lamp signal

R

T

A/T shift schedule change demand signal

R

T

ABS malfunction signal

T

R

ABS operation signal 

R

T

R

ABS warning lamp signal

R

T

Brake pressure control signal

T

R

Brake warning lamp signal

R

T

Side G sensor signal

R

T

SLIP indicator lamp signal

R

T

TCS malfunction signal

T

R

TCS operation signal 

T

R

VDC malfunction signal

T

R

VDC OFF indicator lamp signal

R

T

VDC OFF switch signal

T

R

VDC operation signal

T

R

Deceleration degree commandment value 
signal

R

T

ICC operation signal

R

T

ICC warning lamp signal

R

T

A/T device (detention switch) signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

R

T

Hood switch signal

R

T

Low beam status signal

R

R

T

Push-button ignition switch status signal

R

T

Steering lock unit status signal

R

T

Signal name/Connecting unit

ECM

AV

BCM

PSB

TCM

AFS

M&A

STRG

ADP

RAS

ABS

ICC

IPDM

-E