Nissan X-Trail 32. Manual - part 271

CCS-2

< SYSTEM DESCRIPTION >

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

SYSTEM DESCRIPTION

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

Information

INFOID:0000000010957977

Automatic Speed Control Device (ASCD) system is controlled by ECM.
Regarding the information for ASCD system, refer to 

EC-64, "AUTOMATIC SPEED CONTROL DEVICE

(ASCD) : System Description"

 (MR20DD), 

EC-473, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Sys-

tem Description"

 (QR25DE), and 

EC-845, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System

Description"

 (R9M).

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ELECTRICAL & POWER CONTROL

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SECTION 

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CONTENTS

CHARGING SYSTEM

TYPE 1

HOW TO USE THIS MANUAL ......................

3

APPLICATION NOTICE  ......................................

3

Information ................................................................

3

PRECAUTION ...............................................

4

PRECAUTIONS ...................................................

4

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................

4

Precautions for Removing Battery Terminal  .............

4

Precaution for Stop/Start System Service .................

5

Precaution for Energy Management System  ............

5

SYSTEM DESCRIPTION  ..............................

6

COMPONENT PARTS  ........................................

6

Component Parts Location ........................................

6

Alternator ...................................................................

6

Battery Current Sensor (With Battery Tempera-
ture Sensor)  ..............................................................

6

SYSTEM ..............................................................

8

ENERGY MANAGEMENT SYSTEM ...........................

8

ENERGY MANAGEMENT SYSTEM : System De-
scription .....................................................................

8

WARNING/INDICATOR/CHIME LIST  .........................

8

WARNING/INDICATOR/CHIME LIST : Warning 
Lamps/Indicator Lamps .............................................

8

ECU DIAGNOSIS INFORMATION ...............

9

ECM, IPDM E/R  ...................................................

9

List of ECU Reference  ..............................................

9

WIRING DIAGRAM  ......................................

10

CHARGING SYSTEM  .......................................

10

Wiring Diagram ........................................................

10

BASIC INSPECTION  ...................................

14

DIAGNOSIS AND REPAIR WORK FLOW  .......

14

Work Flow ................................................................

14

CHARGING SYSTEM PRELIMINARY IN-
SPECTION ........................................................

15

Inspection Procedure ...............................................

15

DTC/CIRCUIT DIAGNOSIS  .........................

16

B20BD BATTERY CURRENT SENSOR  ..........

16

DTC Description  ......................................................

16

Diagnosis Procedure  ...............................................

16

Component Inspection .............................................

19

B20BE BATTERY TEMPERATURE SENSOR ...

20

DTC Description  ......................................................

20

Diagnosis Procedure  ...............................................

20

Component Inspection .............................................

22

B TERMINAL CIRCUIT  .....................................

24

Diagnosis Procedure  ...............................................

24

SYMPTOM DIAGNOSIS  ..............................

25

CHARGING SYSTEM  .......................................

25

Symptom Table  .......................................................

25

REMOVAL AND INSTALLATION  ...............

26

ALTERNATOR ..................................................

26

R9M ............................................................................

26

R9M : Exploded View  ..............................................

26

R9M : Removal and Installation ...............................

26

SERVICE DATA AND SPECIFICATIONS 
(SDS) ............................................................

29

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SERVICE DATA AND SPECIFICATIONS 
(SDS) ..................................................................

29

Alternator ................................................................

29

TYPE 2

HOW TO USE THIS MANUAL ....................

30

APPLICATION NOTICE  ....................................

30

Information ..............................................................

30

PRECAUTION .............................................

31

PRECAUTIONS  .................................................

31

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................

31

Precautions for Removing Battery Terminal  ...........

31

SYSTEM DESCRIPTION  ............................

33

COMPONENT PARTS  .......................................

33

Component Parts Location  .....................................

33

Alternator ................................................................

33

SYSTEM .............................................................

34

CHARGING SYSTEM  ...............................................

34

CHARGING SYSTEM : System Description ...........

34

WARNING/INDICATOR/CHIME LIST .......................

34

WARNING/INDICATOR/CHIME LIST : Warning 
Lamps/Indicator Lamps  ..........................................

34

ECU DIAGNOSIS INFORMATION ..............

35

ECM, IPDM E/R  .................................................

35

List of ECU Reference  ............................................

35

WIRING DIAGRAM  .....................................

36

CHARGING SYSTEM  ........................................

36

Wiring Diagram  .......................................................

36

BASIC INSPECTION ..................................

40

DIAGNOSIS AND REPAIR WORK FLOW ........

40

Work Flow  ...............................................................

40

CHARGING SYSTEM PRELIMINARY IN-
SPECTION .........................................................

41

Inspection Procedure  ..............................................

41

DTC/CIRCUIT DIAGNOSIS ........................

42

B TERMINAL CIRCUIT  .....................................

42

Diagnosis Procedure ...............................................

42

SYMPTOM DIAGNOSIS  ............................

43

CHARGING SYSTEM  ........................................

43

Symptom Table .......................................................

43

REMOVAL AND INSTALLATION ..............

44

ALTERNATOR ..................................................

44

MR20DD ....................................................................

44

MR20DD : Exploded View  ......................................

44

MR20DD : Removal and Installation .......................

44

QR25DE .....................................................................

45

QR25DE : Exploded View .......................................

46

QR25DE : Removal and Installation  .......................

46

SERVICE DATA AND SPECIFICATIONS 
(SDS) ..........................................................

48

SERVICE DATA AND SPECIFICATIONS 
(SDS) .................................................................

48

Alternator ................................................................

48

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APPLICATION NOTICE

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< HOW TO USE THIS MANUAL >

[TYPE 1]

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HOW TO USE THIS MANUAL

APPLICATION NOTICE

Information

INFOID:0000000010957593

Check the vehicle type to use the service information in this section.

Service information

System

TYPE 1

With stop/start system

TYPE 2

Without stop/start system