Nissan Frontier. Manual - part 199

 

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Nissan Frontier. Manual - part 199

 

 

CCS-2

< PRECAUTION >

PRECAUTIONS

PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000009480121

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along

with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain

types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS

system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front

air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.

Information necessary to service the system safely is included in the SR and SB section of this Service Man-

ual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by

an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag

Module, see the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-

ness connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a

hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing

serious injury.

• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the

battery and wait at least 3 minutes before performing any service.

CCS

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

CCS-3

< SYSTEM DESCRIPTION >

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SYSTEM DESCRIPTION

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

Information

INFOID:0000000009480122

Automatic Speed Control Device (ASCD) system is controlled by ECM.

Regarding the information for ASCD system, refer to following:

• QR25DE:  

EC-38, "System Description"

.

• VQ40DE FOR USA AND CANADA:  

EC-493, "System Description"

.

• VQ40DE FOR MEXICO:  

EC-984, "System Description"

.

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ELECTRICAL & POWER CONTROL

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SECTION 

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CONTENTS

CHARGING SYSTEM

BASIC INSPECTION  ....................................

2

DIAGNOSIS AND REPAIR WORKFLOW  ..........

2

Work Flow (With EXP-800 NI or GR8-1200 NI)  ........

2

Work Flow (Without EXP-800 NI or GR8-1200 NI) ......

5

SYSTEM DESCRIPTION  ..............................

8

CHARGING SYSTEM ..........................................

8

System Diagram ........................................................

8

System Description  ...................................................

8

Component Description ............................................

8

POWER GENERATION VOLTAGE VARI-
ABLE CONTROL SYSTEM .................................

9

System Diagram ........................................................

9

System Description  ...................................................

9

Component Description .............................................

9

DTC/CIRCUIT DIAGNOSIS  .........................

10

CHARGING SYSTEM PRELIMINARY IN-
SPECTION ..........................................................

10

Diagnosis Procedure ...............................................

10

POWER GENERATION VOLTAGE VARI-
ABLE CONTROL SYSTEM OPERATION IN-
SPECTION ..........................................................

11

Diagnosis Procedure ...............................................

11

B TERMINAL CIRCUIT  ......................................

13

Description ..............................................................

13

Diagnosis Procedure ...............................................

13

L TERMINAL CIRCUIT (OPEN)  .........................

14

Description ..............................................................

14

Diagnosis Procedure ...............................................

14

L TERMINAL CIRCUIT (SHORT) .......................

16

Description ..............................................................

16

Diagnosis Procedure ...............................................

16

S TERMINAL CIRCUIT  .....................................

17

Description ...............................................................

17

Diagnosis Procedure  ...............................................

17

WIRING DIAGRAM ......................................

18

CHARGING SYSTEM .......................................

18

Wiring Diagram ........................................................

18

SYMPTOM DIAGNOSIS  ..............................

25

CHARGING SYSTEM .......................................

25

Symptom Table  .......................................................

25

PRECAUTION ..............................................

26

PRECAUTIONS .................................................

26

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................

26

Precaution for Power Generation Variable Voltage 
Control System  ........................................................

26

PREPARATION ...........................................

27

PREPARATION .................................................

27

Special Service Tool ................................................

27

Commercial Service Tool  ........................................

27

REMOVAL AND INSTALLATION ...............

28

GENERATOR ....................................................

28

Removal and Installation - QR25DE Models  ...........

28

Removal and Installation - VQ40DE Models  ...........

29

SERVICE DATA AND SPECIFICATIONS 
(SDS) ............................................................

30

SERVICE DATA AND SPECIFICATIONS 
(SDS) .................................................................

30

Generator ................................................................

30

CHG-2

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow (With EXP-800 NI or GR8-1200 NI)

INFOID:0000000009482307

CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI

To test the charging system, use the following special service tools:

• EXP-800 NI Battery and electrical diagnostic analyzer

• GR8-1200 NI Multitasking battery and electrical diagnostic station

NOTE:

Refer to the applicable Instruction Manual for proper charging system diagnosis procedures.

 

 

 

 

 

 

 

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