Nissan X-Trail 32. Instruction — 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).

CHG

CHG-1

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

CHG-2

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