Nissan Juke (2012 year). Service Repair Manual - part 156

 

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Nissan Juke (2012 year). Service Repair Manual - part 156

 

 

LAN-22

< PRECAUTION >

[CAN]

PRECAUTIONS

• Bypass connection is never allowed at the repaired area.

NOTE:
Bypass connection may cause CAN communication error. The
spliced wire becomes separated and the characteristics of twisted
line are lost. 

• Replace the applicable harness as an assembly if error is detected on the shield lines of CAN communica-

tion line.

SKIB8767E

Revision: 2011 October

2012 JUKE

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COMPONENT PARTS

LAN-23

< SYSTEM DESCRIPTION >

[CAN]

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SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000007578603

1.

Multi display unit

2.

ABS actuator and electric unit (con-
trol unit)

3.

A/C auto amp.

4.

ECM

5.

IPDM E/R

6.

TCM

7.

EPS control unit

8.

Combination meter

9.

BCM

10. Data link connector

11.

Steering angle sensor

12. AWD control module

13. Air bag diagnosis sensor unit

JSMIA0447ZZ

Revision: 2011 October

2012 JUKE

LAN-24

< SYSTEM DESCRIPTION >

[CAN]

SYSTEM

SYSTEM

CAN COMMUNICATION SYSTEM

CAN COMMUNICATION SYSTEM : System Diagram

INFOID:0000000007578604

CAN COMMUNICATION SYSTEM : System Description

INFOID:0000000007578605

Description

• CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle

multiplex communication line with high data communication speed and excellent error detection ability. Many
electronic control units are equipped onto a vehicle, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with
less wiring. Each control unit transmits/receives data but selectively reads required data only.

• Termination circuits (resistors) are connected across the CAN communication system. When transmitting a

CAN communication signal, each control unit passes a current to the CAN-H line and the current returns to
the CAN-L line. The current flows separately into the termination circuits connected across the CAN commu-
nication system and the termination circuits drop voltage to generate a potential difference between the
CAN-H line and the CAN-L line. The system produces digital signals for signal communications, by using the
potential difference.

CAN Communication Line

JSMIA0583GB

JSMIA0450GB

Revision: 2011 October

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SYSTEM

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< SYSTEM DESCRIPTION >

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The CAN communication line is a twisted pair wire consisting of
strands of CAN-L (1) and CAN-L (2) and has noise immunity.

NOTE:
The CAN communication system has the characteristics of noise-resistant because this system produces dig-
ital signals by using the potential difference between the CAN-H line and the CAN-L line and has the twisted
pair wire structure.
Since the CAN-H line and the CAN-L line are always adjacent to
each other, the same degree of noise occurs, respectively, when a
noise (1) occurs. Although the noise changes the voltage, the poten-
tial difference (2) between the CAN-H line and the CAN-L line is
insensitive to noise. Therefore, noise-resistant signals can be
obtained.

CAN Signal Communications

Each control unit of the CAN communication system transmits signals through the CAN communication con-
trol circuit included in the control unit and receives only necessary signals from each control unit to perform
various kinds of control.
• Example: Transmitted signals

JSMIA0382ZZ

JSMIA0383ZZ

JSMIA0584GB

Revision: 2011 October

2012 JUKE

LAN-26

< SYSTEM DESCRIPTION >

[CAN]

SYSTEM

• Example: Received signals

NOTE:
The above signal names and signal communications are provided for reference purposes. For CAN communi-
cations signals of this vehicle, refer to 

LAN-28, "CAN COMMUNICATION SYSTEM : CAN Communication

Signal Chart"

.

CAN COMMUNICATION SYSTEM : CAN Communication Control Circuit

INFOID:0000000007578606

CAN communication control circuit is incorporated into the control unit and transmits/receives CAN communi-
cation signals.

JSMIA0585GB

JSMIA0453GB

Component

System description

CAN controller

It controls CAN communication signal transmission and reception, error detection, etc.

Transceiver IC

It converts digital signal into CAN communication signal, and CAN communication signal into digital 
signal.

Revision: 2011 October

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SYSTEM

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< SYSTEM DESCRIPTION >

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*: These are the only control units wired with both ends of CAN communication system.

CAN COMMUNICATION SYSTEM : CAN System Specification Chart

INFOID:0000000007578607

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

LAN-15, "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.

Noise filter

It eliminates noise of CAN communication signal.

Termination circuit

*

(Resistance of approx. 120 

)

Generates a potential difference between CAN-H and CAN-L.

Component

System description

Body type

Hatch back

Axle

2WD

AWD

Engine

MR16DDT

Transmission

M/T

CVT

Brake control

VDC

Integrated Control system

×

×

×

CAN  system  type

1

2

3

4

5

6

CAN communication unit

ECM

×

×

×

×

×

×

AWD control module

×

×

ABS actuator and electric unit (control unit)

×

×

×

×

×

×

IPDM E/R

×

×

×

×

×

×

TCM

×

×

×

×

Data link connector

×

×

×

×

×

×

EPS control unit

×

×

×

×

×

×

Combination meter

×

×

×

×

×

×

Steering angle sensor

×

×

×

×

×

×

Air bag diagnosis sensor unit

×

×

×

×

×

×

A/C auto amp.

×

×

×

Multi display unit

×

×

×

BCM

×

×

×

×

×

×

1.

Multi display unit

A.

With Integrated Control system

JSMIA0454ZZ

Revision: 2011 October

2012 JUKE

LAN-28

< SYSTEM DESCRIPTION >

[CAN]

SYSTEM

CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart

INFOID:0000000007578608

Refer to 

LAN-14, "How to Use CAN Communication Signal Chart"

 for how to use CAN communication signal

chart.
NOTE:
Refer to 

LAN-20, "Abbreviation List"

 for the abbreviations of the connecting units. 

T: Transmit

R: Receive

Signal name/Connecting unit

ECM

4WD

ABS

IPDM

-E

TCM

EPS

M&A

STRG

HV

AC

MDU

BCM

A/C compressor request signal

T

R

Accelerator pedal position signal

T

R

R

R

ASCD status signal

T

R

Boost pressure signal

T

R

Closed throttle position signal

T

R

Cooling fan speed request signal

T

R

Engine and CVT integrated control signal

T

R

R

T

Engine coolant temperature signal

T

R

R

Engine speed signal

T

R

R

R

R

R

Engine status signal

T

R

R

R

R

Engine torque signal

T

R

R

Fuel consumption monitor signal

T

R

R

Malfunctioning indicator signal

T

R

Oil pressure warning lamp signal

T

R

Power generation command value signal

T

R

Speed limiter operation signal

T

R

Starter motor relay cut off signal

T

R

R

AWD mode indicator signal

T

R

AWD warning lamp signal

T

R

Current AWD mode signal

T

R

Target engine torque signal

R

T

Torque vectoring indicator signal

T

R

ABS malfunction signal

T

R

ABS operation signal

R

T

R

R

ABS warning lamp signal

T

R

Brake warning lamp signal

T

R

Decel G sensor signal

R

T

R

Request drive torque signal

R

T

Side G sensor signal

R

T

R

Stop lamp switch signal

R

T

R

T

Target throttle position signal

R

T

TCS malfunction signal

R

T

TCS operation signal

R

T

R

VDC malfunction signal

R

T

VDC OFF indicator lamp signal

T

R

Revision: 2011 October

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SYSTEM

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< SYSTEM DESCRIPTION >

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VDC operation signal

R

T

R

VDC warning lamp signal

T

R

Vehicle speed signal (ABS)

R

R

T

R

R

R

R

Yaw rate signal

R

T

Back-up lamp switch signal

*1

T

R

Detention switch signal

T

R

Front wiper stop position signal

T

R

High beam status signal

R

T

Ignition switch ON signal

T

R

R

T

Ignition switch signal

T

R

Interlock/PNP switch signal

T

R

R

T

Low beam status signal

R

T

Push-button ignition switch status signal

T

R

Sleep-ready signal

T

R

T

R

Starter control relay signal

T

R

R

T

Starter relay status signal

T

R

R

T

Starter motor relay/Starter motor control relay con-
trol signal

R

T

ATF temperature signal

R

T

Current gear position signal

R

R

T

CVT indicator signal

T

R

CVT ratio signal

R

T

Input shaft revolution signal

R

R

T

N rage signal

R

T

Next gear position signal

R

T

Output shaft revolution signal

R

R

T

P range signal

R

T

R range signal

R

T

Shift position signal

R

*2

T

R

R

Vehicle speed signal (TCM)

T

R

Drive mode select signal

*3

R

T

EPS operation signal

R

T

EPS warning lamp signal

T

R

Brake fluid level switch signal

R

T

Manual mode shift down signal

R

T

Manual mode shift up signal

R

T

Manual mode signal

R

T

Non-manual mode signal

R

T

Signal name/Connecting unit

ECM

4WD

ABS

IPDM

-E

TCM

EPS

M&A

STRG

HV

AC

MDU

BCM

Revision: 2011 October

2012 JUKE

LAN-30

< SYSTEM DESCRIPTION >

[CAN]

SYSTEM

*1: M/T models

*2: CVT models

*3: With Integrated Control System

*4: With automatic air conditioning

*5: With daytime running light system

Odometer signal

T

R

R

Parking brake switch signal

R

R

T

Seat belt buckle switch signal (driver side) signal

T

R

Vehicle speed signal (Meter)

R

R

R

R

T

R

R

Wake up signal

T

R

Steering angle sensor malfunction signal

R

T

Steering angle sensor signal

R

R

T

Steering calibration signal

R

T

ECO mode signal

R

R

R

T

NORMAL mode signal

R

R

T

SPORT mode signal

R

R

T

A/C display signal

T

R

A/C ECO setting signal

R

T

A/C operation signal

R

T

Rear window defogger switch signal

*4

T

R

Idle up request signal

R

T

A/C ON signal

R

T

Blower fan ON signal

R

T

Buzzer output signal

R

T

Daytime running light request signal

*5

R

T

Door switch signal

R

R

T

Engine start operation indicator lamp signal

R

T

Front fog light request signal

R

T

Front wiper request signal

R

T

High beam request signal

R

R

T

Horn reminder signal

R

T

Key warning lamp signal

R

T

LOCK warning lamp signal

R

T

Low beam request signal

R

T

Low tire pressure warning lamp signal

R

T

Position light request signal

R

R

R

T

Rear window defogger control signal

R

T

R

T

R

*4

Shift P warning lamp signal

R

T

Sleep wake up signal

R

R

R

T

Theft warning horn request signal

R

T

TPMS malfunction warning lamp signal

R

T

Turn indicator signal

R

T

Signal name/Connecting unit

ECM

4WD

ABS

IPDM

-E

TCM

EPS

M&A

STRG

HV

AC

MDU

BCM

Revision: 2011 October

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SYSTEM

LAN-31

< SYSTEM DESCRIPTION >

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

Revision: 2011 October

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LAN-32

< WIRING DIAGRAM >

[CAN]

CAN SYSTEM

WIRING DIAGRAM

CAN SYSTEM

Wiring Diagram

INFOID:0000000007578609

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JCMWA6074GB

Revision: 2011 October

2012 JUKE

LAN

DIAGNOSIS AND REPAIR WORKFLOW

LAN-33

< BASIC INSPECTION >

[CAN]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Interview Sheet

INFOID:0000000007578610

NOTE:
Refer to 

LAN-15, "Trouble Diagnosis Procedure"

 for how to use interview sheet.

SKIB8898E

Revision: 2011 October

2012 JUKE

LAN-34

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MALFUNCTION AREA CHART

DTC/CIRCUIT DIAGNOSIS

MALFUNCTION AREA CHART

Main Line

INFOID:0000000007578611

Branch Line

INFOID:0000000007578612

Short Circuit

INFOID:0000000007578613

Malfunction area

Reference

Main line between IPDM E/R and data link connector

LAN-35, "Diagnosis Procedure"

Main line between data link connector and air bag diagnosis sen-
sor unit

LAN-36, "Diagnosis Procedure"

Main line between data link connector and multi display unit

LAN-37, "Diagnosis Procedure"

Malfunction area

Reference

ECM branch line circuit 

LAN-38, "Diagnosis Procedure"

AWD control module branch line circuit 

LAN-39, "Diagnosis Procedure"

ABS actuator and electric unit (control unit) branch line circuit 

LAN-40, "Diagnosis Procedure"

IPDM E/R branch line circuit 

LAN-41, "Diagnosis Procedure"

TCM branch line circuit

LAN-42, "Diagnosis Procedure"

Data link connector branch line circuit 

LAN-43, "Diagnosis Procedure"

EPS control unit branch line circuit

LAN-44, "Diagnosis Procedure"

Combination meter branch line circuit 

LAN-45, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-46, "Diagnosis Procedure"

Air bag diagnosis sensor unit branch line circuit 

LAN-47, "Diagnosis Procedure"

A/C auto amp. branch line circuit

LAN-48, "Diagnosis Procedure"

Multi display unit branch line circuit

LAN-49, "Diagnosis Procedure"

BCM branch line circuit 

LAN-50, "Diagnosis Procedure"

Malfunction area

Reference

CAN communication circuit

LAN-51, "Diagnosis Procedure"

Revision: 2011 October

2012 JUKE

LAN

MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT

LAN-35

< DTC/CIRCUIT DIAGNOSIS >

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MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000007578614

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).

-

Harness connector E105

-

Harness connector M77

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

IPDM E/R

-

Harness connectors E105 and M77

2.

Check the continuity between the IPDM E/R harness connector and the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the IPDM E/R and the harness connector E105.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the harness connector and the data link connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the IPDM E/R and the data link connector. 
NO

>> Repair the main line between the harness connector M77 and the data link connector.

IPDM E/R harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E13

27

E105

1

Existed

26

6

Existed

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M77

1

M4

6

Existed

6

14

Existed

Revision: 2011 October

2012 JUKE

LAN-36

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN DLC AND A-BAG CIRCUIT

MAIN LINE BETWEEN DLC AND A-BAG CIRCUIT

Diagnosis Procedure

INFOID:0000000007578615

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the BCM harness connector.

4.

Check the continuity between the data link connector and the BCM harness connector.

-

With Intelligent Key system

-

Without Intelligent Key system

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the air bag diag-

nosis sensor unit.

NO

>> Repair the main line between the data link connector and the air bag diagnosis sensor unit.

Data link connector

BCM harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M4

6

M68

39

Existed

14

40

Existed

Data link connector

BCM harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M4

6

M65

39

Existed

14

40

Existed

Revision: 2011 October

2012 JUKE

LAN

MAIN LINE BETWEEN DLC AND MDU CIRCUIT

LAN-37

< DTC/CIRCUIT DIAGNOSIS >

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MAIN LINE BETWEEN DLC AND MDU CIRCUIT

Diagnosis Procedure

INFOID:0000000007578616

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

Multi display unit

4.

Check the continuity between the data link connector and the multi display unit harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the the data link connector and the multi dis-

play unit. 

NO

>> Repair the main line between the data link connector and the multi display unit.

Data link connector

Multi display unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M4

6

M90

6

Existed

14

12

Existed

Revision: 2011 October

2012 JUKE

 

 

 

 

 

 

 

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