Nissan Pathfinder. Manual - part 287

CHG-26

< DTC/CIRCUIT DIAGNOSIS >

L TERMINAL CIRCUIT (SHORT)

L TERMINAL CIRCUIT (SHORT)

Description

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The terminal “L” circuit controls the charge warning lamp. The charge warning lamp turns ON when the igni-

tion switch is set to ON or START. When the generator is providing sufficient voltage with the engine running,

the charge warning lamp turns off. If the charge warning lamp illuminates with the engine running, a malfunc-

tion is indicated.

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

CHG-9, "Wiring Diagram"

.

1.

CHECK “L” TERMINAL CIRCUIT (SHORT)

1. Turn ignition switch OFF. 

2. Disconnect generator connector.

3. Turn ignition switch ON.
Does charge warning lamp illuminate?

YES

>> GO TO 2.

NO

>> Refer to 

CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"

 or 

CHG-17, "Work Flow (With-

out EXP-800 NI or GR8-1200 NI)"

. 

2.

CHECK HARNESS CONTINUITY (SHORT CIRCUIT)

1. Turn ignition switch OFF.

2. Disconnect the battery cable from the negative terminal. 

3. Disconnect combination meter connector.

4. Check continuity between the combination meter harness connector and ground.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-82, "Removal and Installation"

. 

NO

>> Repair or replace the harness or connectors. 

Combination meter

Ground

Continuity

Connector

Terminal

F7

2

No

CHG

S TERMINAL CIRCUIT

CHG-27

< DTC/CIRCUIT DIAGNOSIS >

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S TERMINAL CIRCUIT

Description

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The output voltage of the generator is controlled by the IC regulator at terminal “S” detecting the input voltage

from battery. 

The “S” terminal circuit detects the battery voltage to adjust the generator output voltage with the IC voltage

regulator.

Diagnosis Procedure

INFOID:0000000009175277

Regarding Wiring Diagram information. Refer to 

CHG-9, "Wiring Diagram"

.

1.

CHECK “S” TERMINAL CONNECTION

1. Turn ignition switch OFF.

2. Check if “S” terminal is clean and tight.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair “S” 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 “S” TERMINAL CIRCUIT

Check voltage between generator harness connector and ground.

Is the inspection result normal?

YES

>> Refer to 

CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"

 or 

CHG-17, "Work Flow (With-

out EXP-800 NI or GR8-1200 NI)"

.

NO

>> Check harness for open between generator and fuse.

(+)

(-)

Voltage 

(Approx.)

Generator

Connector Terminal 

F7

3

Ground

Battery voltage

CHG-28

< SYMPTOM DIAGNOSIS >

CHARGING SYSTEM

SYMPTOM DIAGNOSIS

CHARGING SYSTEM

Symptom Table

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Symptom

Reference

Battery discharged

Refer to 

CHG-14, "Work Flow (With EXP-800 NI or GR8-1200 NI)"

 

or 

CHG-17, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"

.

The charge warning lamp does not illuminate when the ignition 
switch is set to ON.

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

The charging warning lamp turns ON when increasing the engine 
speed.

CHG

GENERATOR

CHG-29

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

GENERATOR

Exploded View

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Removal and Installation

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REMOVAL

1. Remove the battery tray. Refer to 

PG-92, "Removal and Installation"

.

2. Remove the radiator. Refer to 

CO-15, "Removal and Installation"

.

3. Remove the fan shroud and motor assembly. Refer to 

CO-17, "Removal and Installation"

4. Remove the front RH wheel and tire. Refer to  

WT-58, "Adjustment"

.

5. Remove the drive belt auto-tensioner. Refer to 

EM-14, "Removal and Installation of Drive Belt Auto-ten-

sioner"

.

6. Disconnect the harness connectors from generator.
7. Release the harness retainers.
8. Remove the bolts and generator bracket.
9. Remove the generator.

INSTALLATION

Installation is in the reverse order of removal.

• Temporarily tighten bolts and nut then tighten nut and bolts in the specified numerical order.

CAUTION:

Be sure to tighten “B” terminal nut carefully.

• Install generator and check tension of belt. Refer to 

EM-12, "Checking Drive Belt"

.

1 - 3 Tightening order

4.

Generator

5.

B terminal nut

6.

Generator bracket

Front

AWBIA1097GB