Nissan X-Trail 32. Manual - part 281

CHG-40

< BASIC INSPECTION >

[TYPE 2]

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

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DETAILED FLOW

1.

CHECK FOR DTC

Perform self diagnosis with CONSULT.
Is any DTC detected?

YES

>> Repair as needed.

NO

>> GO TO 2.

2.

PRELIMINARY INSPECTION

Perform the preliminary inspection. Refer to 

CHG-41, "Inspection Procedure"

.

>> GO TO 3.

3.

INSPECTION WITH CHARGE WARNING LAMP (IDLING)

Start the engine and run it at idle.

Does the charge warning lamp turn OFF?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

INSPECTION WITH CHARGE WARNING LAMP (ENGINE AT 2,500 RPM)

Increase and maintain the engine speed at 2,500 rpm. 
Does the charge warning lamp illuminate?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

MEASURE “B” TERMINAL VOLTAGE

Start engine. With engine running at 2,500 rpm, measure “B” terminal voltage.

What voltage does the measurement result show?

Less than 13.0 V>>GO TO 6.
More than 16.0 V>>Replace alternator. Refer to 

CHG-44, "MR20DD : Removal and Installation"

 (MR engine)

or 

CHG-46, "QR25DE : Removal and Installation"

 (QR engine).

6.

“B” TERMINAL CIRCUIT INSPECTION

Check “B” terminal circuit. Refer to 

CHG-42, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace alternator. Refer to 

CHG-44, "MR20DD : Removal and Installation"

 (MR engine) or 

CHG-

46, "QR25DE : Removal and Installation"

 (QR engine).

NO

>> Repair as needed.

CHG

CHARGING SYSTEM PRELIMINARY INSPECTION

CHG-41

< BASIC INSPECTION >

[TYPE 2]

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CHARGING SYSTEM PRELIMINARY INSPECTION

Inspection Procedure

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1.

CHECK BATTERY TERMINALS CONNECTION

Check if battery terminals are clean and tight.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair battery terminals connection.

2.

CHECK “E” TERMINAL CONNECTION

Check if “E” terminal (alternator ground harness) is clean and tight.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair “E” terminal connection.

3.

CHECK BATTERY STATUS

Check battery status. Refer to 

PG-124, "EXCEPT FOR R9M : Work Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace battery. Refer to 

PG-142, "EXCEPT FOR R9M : Removal and Installation"

.

4.

CHECK DRIVE BELT TENSION

Check drive belt tension. Refer to 

EM-23, "Inspection"

 (MR engine) or 

EM-167, "Inspection"

 (QR engine).

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair as needed.

CHG-42

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B TERMINAL CIRCUIT

DTC/CIRCUIT DIAGNOSIS

B TERMINAL CIRCUIT

Diagnosis Procedure

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1.

CHECK “B” TERMINAL CONNECTION

1.

Turn ignition switch OFF.

2.

Check if “B” terminal is clean and tight.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair “B” terminal connection.

2.

CHECK “B” TERMINAL CIRCUIT

Check voltage between alternator “B” terminal and ground.

MR engine

QR engine

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness for open between alternator and fusible link.

3.

CHECK “B” TERMINAL CONNECTION (VOLTAGE DROP TEST)

1.

Start engine, then engine running at idle and warm.

2.

Check voltage between battery positive terminal and alternator “B” terminal.

MR engine

QR engine

Is the inspection result normal?

YES

>> “B” terminal circuit is normal. Refer to 

CHG-40, "Work Flow"

.

NO

>> Check harness between battery and alternator for poor continuity.

(+)

(–)

Voltage (Approx.)

Alternator

Connector

Terminal

E68

1

Ground

Battery voltage

(+)

(–)

Voltage (Approx.)

Alternator

Connector

Terminal

F14

1

Ground

Battery voltage

(+)

(–)

Voltage (Approx.)

Alternator

Connector

Terminal

Battery positive terminal

E68

1 

Less than 0.2 V

(+)

(–)

Voltage (Approx.)

Alternator

Connector

Terminal

Battery positive terminal

F14

1 

Less than 0.2 V

CHG

CHARGING SYSTEM

CHG-43

< SYMPTOM DIAGNOSIS >

[TYPE 2]

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SYMPTOM DIAGNOSIS

CHARGING SYSTEM

Symptom Table

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Symptom

Reference

Discharged battery

Refer to 

CHG-40, "Work Flow"

.

The charge warning lamp does not turn OFF after the engine 
starts.