Infiniti QX56 (JA60). Manual - part 661

LAN

DIAGNOSIS AND REPAIR WORKFLOW

LAN-43

< BASIC INSPECTION >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Diagnosis Sheet (CAN Type 4)

INFOID:0000000005146461

JPMIA1558GB

LAN-44

< FUNCTION DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

FUNCTION DIAGNOSIS

CAN COMMUNICATION SYSTEM

CAN System Specification Chart

INFOID:0000000005146462

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.

×: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE:

Check CAN system type from the vehicle shape and equipment.

CAN Communication Signal Chart

INFOID:0000000005146463

Refer to 

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

 for how to use CAN communication signal

chart.

NOTE:

Refer to 

LAN-36, "Abbreviation List"

 for the abbreviations of the connecting units.

T: Transmit R: Receive

Body type

Wagon

Axle

2WD

4WD

Engine

VK56DE

Transmission

A/T

Brake control

VDC

ICC system

×

×

CAN system type

1

2

3

4

Diagnosis sheet

LAN-40

LAN-41

LAN-42

LAN-43

AWMIA0012GB

Signal name/Connecting unit

ECM

TCM

LASER

IC

C

ADP

AV

BCM

HV

AC

I-

KEY

M&

A

STRG

4W

D

ABS

IPDM

-E

Accelerator pedal position signal 

T

R

R

R

R

A/C compressor request signal

T

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

R

Cooling fan speed request signal

T

R

Engine coolant temperature signal

T

R

R

LAN

CAN COMMUNICATION SYSTEM

LAN-45

< FUNCTION DIAGNOSIS >

[CAN]

C

D

E

F

G

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A

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Engine speed signal

T

R

R

R

R

R

R

R

R

Engine status signal

T

R

Fuel consumption monitor signal

T

R

R

T

ICC steering switch signal

T

R

Malfunction indicator lamp signal

T

R

Wide open throttle position signal

T

R

A/T CHECK indicator lamp signal

T

R

A/T fluid temperature sensor signal

T

R

A/T position indicator lamp signal

T

R

R

R

A/T self-diagnosis signal

R

T

Current gear position signal

T

R

R

Input speed signal

R

T

R

Output shaft revolution signal

R

T

R

R

P range signal

T

R

R

R

R

ICC sensor signal

T

R

Buzzer output signal

T

R

T

R

ICC OD cancel request signal

R

R

T

ICC operation signal

R

R

T

ICC system display signal

T

R

System setting signal

T

R

T

R

T

R

A/C switch/indicator signal

T

R

R

T

A/C switch signal

R

T

R

Blower fan motor switch signal

R

T

Day time running light request signal

T

R

R

Door lock/unlock status signal

T

R

Door switch signal

R

R

T

R

R

R

Front fog light request signal

T

R

Front wiper request signal

R

T

R

High beam request signal

T

R

R

Horn chirp signal

T

R

Ignition switch signal

R

T

R

R

Key fob door unlock signal

R

T

Key fob ID signal

R

T

Key switch signal

R

T

Low beam request signal

T

R

Position light request signal

T

R

R

Rear window defogger switch signal

T

R

R

Sleep wake up signal

R

T

R

R

Theft warning horn request signal

T

R

Signal name/Connecting unit

ECM

TCM

LASER

ICC

ADP

AV

BCM

HV

AC

I-KEY

M&A

STRG

4WD

ABS

IPDM

-E

LAN-46

< FUNCTION DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

NOTE:

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

Tire pressure data signal

R

T

Tire pressure signal

R

T

R

Turn indicator signal

T

R

Buzzer output signal

T

R

Door lock/unlock request signal

R

T

Hazard request signal

R

T

Hazard warning lamp request signal

R

T

Ignition knob switch signal

R

T

KEY warning signal

T

R

LOCK warning signal

T

R

Panic alarm request signal

R

T

Power window open request signal

R

T

1st position switch signal

R

T

4th position switch signal

R

T

Distance to empty signal

R

T

Fuel level low warning signal

R

T

Fuel level sensor signal

R

T

Parking brake switch signal

R

T

Seat belt buckle switch signal

R

T

Stop lamp switch signal

R

T

Tow mode switch signal

R

T

Vehicle speed signal

R

R

R

R

R

R

R

T

R

R

R

T

Steering angle sensor signal

T

R

ABS malfunction signal

R

T

ABS warning lamp signal

R

T

Brake pressure sensor signal

R

T

Brake warning lamp signal

R

T

SLIP indicator lamp signal

R

T

TCS malfunction signal

R

T

VDC malfunction signal

R

T

VDC OFF indicator lamp signal

R

R

T

VDC operation signal

R

T

Front wiper stop position signal

R

T

High beam status signal

R

T

Hood switch signal

R

T

Low beam status signal

R

T

Rear window defogger control signal

R

R

T

Signal name/Connecting unit

ECM

TCM

LASER

ICC

ADP

AV

BCM

HV

AC

I-KEY

M&A

STRG

4WD

ABS

IPDM

-E