Nissan Note E12. Manual - part 103

CHG-14

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

• Use fully charged battery.

DETAILED FLOW

1.

PRELIMINARY INSPECTION

Perform the preliminary inspection. Refer to 

CHG-16, "Diagnosis Procedure"

.

>> GO TO 2.

2.

INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS TURNED ON)

When ignition switch is turned ON.
Does the charge warning lamp illuminate?

YES

>> GO TO 3.

NO

>> GO TO 9.

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?

ALMIA0657GB

CHG

DIAGNOSIS AND REPAIR WORKFLOW

CHG-15

< BASIC INSPECTION >

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YES

>> GO TO 8.

NO

>> Inspection End.

5.

“L” TERMINAL CIRCUIT (SHORT) INSPECTION

Check terminal “L” circuit for (short). Refer to 

CHG-20, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair as needed.

6.

“S” TERMINAL CIRCUIT INSPECTION

Check terminal “S” circuit. Refer to 

CHG-21, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair as needed.

7.

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 8.

More than 16.0 V>>Replace generator. Refer to 

CHG-23, "Removal and Installation"

. 

8.

“B” TERMINAL CIRCUIT INSPECTION 

Check “B” terminal circuit. Refer to 

CHG-17, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace generator. Refer to 

CHG-23, "Removal and Installation"

.

NO

>> Repair as needed.

9.

INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS ON) 

1. Disconnect generator connector and apply ground to “L” terminal. 

2. Turn the ignition switch ON. 
Does the charge warning lamp illuminate?

YES

>> Replace generator. Refer to 

CHG-23, "Removal and Installation"

.

NO

>> GO TO 10.

10.

CHECK “L” TERMINAL CIRCUIT (OPEN)

Check “L” terminal circuit (OPEN). Refer to 

CHG-18, "Diagnosis Procedure"

.

>> Repair as needed.

CHG-16

< BASIC INSPECTION >

CHARGING SYSTEM PRELIMINARY INSPECTION

CHARGING SYSTEM PRELIMINARY INSPECTION

Diagnosis 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 terminal connection. Confirm repair by performing complete Charging system test

using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for

proper testing procedures. 

2.

CHECK FUSE

Check for blown fuse and fusible link.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the blown fuse or fusible link after repairing the affected circuit.

3.

CHECK GENERATOR GROUND TERMINAL CONNECTION

Check if connector F4 terminal 5 is clean.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair connection.

4.

CHECK DRIVE BELT TENSION

Check drive belt tension. Refer to 

EM-115, "Drive Belt"

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Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair as needed.

Unit

Power source (Power supply terminals)

Fuse or Fusible Link

Generator

Battery (terminal 3)

Fuse 24

Battery (terminal 1)

Fusible Link A

Combination meter

Ignition switch ON (terminal 2)

Fuse 3

CHG

B TERMINAL CIRCUIT

CHG-17

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

B TERMINAL CIRCUIT

Description

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“B” terminal circuit supplies power to charge the battery and to operate the vehicles electrical system.

Diagnosis Procedure

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Regarding Wiring Diagram information. Refer to 

CHG-6, "Wiring Diagram"

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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 terminal “B” connection. Confirm repair by performing complete Charging system test

using the EXP-800 NI or GR8-1200 NI (if available). Refer to applicable Instruction Manual for

proper testing procedures.

2.

CHECK “B” TERMINAL CIRCUIT

Check voltage between generator “B” terminal and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness for open between generator 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 generator connector “B” terminal.

Is the inspection result normal?

YES

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

CHG-10, "Work Flow (With EXP-800 NI or GR8-1200 NI)"

or 

CHG-13, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"

.

NO

>> Check harness between battery and generator for continuity.

(+)

(-)

Voltage 

(Approx.)

Generator

Connector

Terminal

F2

1

Ground

Battery voltage

(+)

(-)

Voltage 

(Approx.)

Generator

Connector

Terminal

F2

1

Battery positive terminal

Less than 0.2V