Nissan Qashqai (2007-2010). Manual - part 290

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-679

< FUNCTION DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

PBIB2942E

1.

Heated oxygen sensor 1 harness 
connector

2.

Heated oxygen sensor 1

3.

Heated oxygen sensor 2

4.

Heated oxygen sensor 2 harness 
connector

1.

PCV valve

2.

Ignition coil (with power transistor) 
and spark plug

3.

Fuel injection

BBIA0757E

JMBIA0344ZZ

JMBIA0345ZZ

EC-680

< FUNCTION DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

1.

Refrigerant pressure sensor

2.

Resister

3.

Cooling fan motor

1.

Intake valve timing control solenoid 
valve

2.

Knock sensor

1.

Crankshaft position sensor (POS)

2.

Ground

1.

ASCD clutch switch

2.

Data link connector 

JMBIA0445ZZ

JMBIA0446ZZ

JMBIA0347ZZ

JMBIA0348ZZ

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-681

< FUNCTION DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Component Description

INFOID:0000000000936623

1.

Stop lamp switch

2.

ASCD brake switch

3.

Accelerator pedal position sensor

1.

ASDC steering switch

2.

CANSEL switch

3.

RESUME/ACCCELERATE switch

4.

SET/COAST switch

5.

MAIN SWITCH

6.

1.

Fuel level sensor unit and fuel pump 
harness connector

2.

Fuel level sensor unit and fuel pump 3.

Fuel pressure regulator

JMBIA0349ZZ

JMBIA0346ZZ

Component

Reference

ASCD steering switch

EC-880, "Description"

ASCD clutch switch

EC-883, "Description"

ASCD brake switch

EC-883, "Description"

ASCD indicator

EC-917, "Description"

Stop lamp switch

EC-896, "Description"

Electric throttle control actuator

EC-832, "Description"

EC-682

< FUNCTION DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

CAN COMMUNICATION

CAN COMMUNICATION

System Description

INFOID:0000000000936624

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic 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.
Refer to 

LAN-59, "CAN Communication Signal Chart"

, about CAN communication for detail..