Content .. 204 205 206 207 ..

Nissan Frontier. Manual - part 206

CHG

PREPARATION

CHG-27

< PREPARATION >

PREPARATION

Special Service Tool

INFOID:0000000009482329

The actual shape of the tools may differ from those illustrated here.

Commercial Service Tool

INFOID:0000000009482330

Tool number
(TechMate No.)
Tool name

Description

—

( — ) Model GR8-1200 NI
Multitasking battery and electrical diag-
nostic station

Tests batteries, starting and charging
systems and charges batteries.
For operating instructions, refer to diag-
nostic station instruction manual.

—

( — ) Model EXP-800 NI
Battery and electrical diagnostic analyzer

Tests batteries and charging systems.
For operating instructions, refer to diag-
nostic analyzer instruction manual.

AWIIA1239ZZ

JSMIA0806ZZ

Tool name

Description

Power tool

Loosening nuts, screws and bolts

PIIB1407E

CHG-28

< REMOVAL AND INSTALLATION >

GENERATOR

REMOVAL AND INSTALLATION

GENERATOR

Removal and Installation - QR25DE Models

INFOID:0000000009482331

REMOVAL

1. Disconnect the negative battery terminal. Refer to

PG-83, "Removal and Installation"

2. Remove engine under cover. Refer to

EXT-15, "Removal and Installation"

3. Remove front fender protector (RH). Refer to

EXT-27, "Removal and Installation of Front Fender Protec-

tor"

4. Remove the drive belt. Refer to

EM-14, "Removal and Installation"

5. Disconnect the harness connectors from the generator.
6. Remove generator nut, using power tools.
7. Remove the generator upper bolt, using power tools.
8. Remove the generator.

INSTALLATION

Installation is in the reverse order of removal.

• Be sure the generator spacer is in place on the lower stud.

• Install the generator and check tension of drive belt. Refer to

EM-14, "Checking Drive Belts"

CAUTION:

Be sure to tighten terminal "1" nut carefully.

• For this model, the power generation voltage variable control system that controls the power generation volt-

age of the generator has been adopted. Therefore, the power generation voltage variable control system

Generator

Starter motor assembly

Terminal "1"

Generator lower stud

AWMIA1172GB

Terminal "1" nut

: 10.8 N·m (1.1 kg-m, 8 ft-lb)

CHG

GENERATOR

CHG-29

< REMOVAL AND INSTALLATION >

operation inspection should be performed after replacing the generator, and then make sure that the system

operates normally. Refer to

CHG-10, "Diagnosis Procedure"

Removal and Installation - VQ40DE Models

INFOID:0000000009482332

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL

1. Disconnect the negative battery terminal.Refer to

PG-83, "Removal and Installation"

2. Remove engine cooling fan (Motor driven type). Refer to

CO-48, "Removal and Installation (Motor driven

type)"

3. Remove the drive belt. Refer to

EM-129, "Removal and Installation"

4. Remove generator stay, using power tools.
5. Remove the generator upper bolt, using power tools.
6. Disconnect the harness connectors from the generator.
7. Remove the generator.

INSTALLATION

Installation is in the reverse order of removal.

• Install the generator and check tension of drive belt. Refer to

EM-129, "Adjustment"

CAUTION:

Be sure to tighten terminal "1" nut carefully.

• For this model, the power generation voltage variable control system that controls the power generation volt-

age of the generator has been adopted. Therefore, the power generation voltage variable control system

operation inspection should be performed after replacing the generator, and then make sure that the system

operates normally. Refer to

CHG-10, "Diagnosis Procedure"

Generator

Engine block

Generator stay

AWMIA1170GB

Terminal "1" nut

: 10.8 N·m (1.1 kg-m, 8 ft-lb)

CHG-30

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Generator

INFOID:0000000009482333

*: Always check with the Parts Department for the latest parts information.

Engine

QR25DE

VQ40DE

Type*

LR1110-724C

TG15S192

Hitachi

Valeo

Nominal rating

12V-110A

14V-130A

Ground polarity

Negative

Minimum revolution under no-load

1,100 rpm

1,200 rpm

Hot output current (When 13.5 volts is ap-
plied)

More than 35A/1,300 rpm
More than 70A/1,800 rpm
More than 91A/2,500 rpm

More than 110A/5,000 rpm

More than 52A/1,500 rpm
More than 82A/1,800 rpm

More than 115A/2,500 rpm

More than 130A/5,000 rpm

Regulated output voltage

13.5 - 14.0V @ 20

°C (68°F)

13.5 - 14.0 @ 20

°C (68°F)

Adjustment range of power generation vari-
able voltage control

11.7 - 15.3V

11.4 - 15.6V

Content .. 204 205 206 207 ..