Nissan Frontier D22. Manual - part 2

 

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Nissan Frontier D22. Manual - part 2

 

 

ACS-1

AUTO CRUISE CONTROL SYSTEM

K  ELECTRICAL

CONTENTS

C

D

E

F

G

H

I

J

L

M

SECTION 

A

B

ACS

PRECAUTIONS .......................................................... 2

Precautions for Supplemental Restraint System 
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 2
Wiring Diagrams and Trouble Diagnosis .................. 2

AUTOMATIC SPEED CONTROL DEVICE (ASCD) 

..... 3

Component Parts and Harness Connector Location 

..... 3

System Description  .................................................. 5

POWER SUPPLY AND GROUND  ........................ 5
OPERATION ......................................................... 5
ASCD MOTOR ACTUATOR OPERATION  ........... 6

Circuit Diagram  ........................................................ 7
Wiring Diagram — ASCD —  .................................... 8

FIG. 1 ..................................................................... 8
FIG. 2 ..................................................................... 9
FIG. 3 ................................................................... 10

Fail-safe System  .....................................................11

DESCRIPTION .....................................................11
MALFUNCTION DETECTION CONDITIONS ......11

Trouble Diagnoses  ................................................. 12

SYMPTOM CHART  ............................................. 12
FAIL-SAFE SYSTEM CHECK  ............................. 13
POWER SUPPLY AND GROUND CIRCUIT 
CHECK ................................................................ 14
ASCD BRAKE/STOP LAMP SWITCH CHECK ... 15
ASCD STEERING SWITCH CHECK  .................. 17
VEHICLE SPEED SENSOR CHECK  .................. 18
ASCD MOTOR ACTUATOR CIRCUIT CHECK ... 18
ASCD MOTOR ACTUATOR CHECK  .................. 20

Electrical Component Inspection  ............................ 21

ASCD STEERING SWITCH  ................................ 21
ASCD BRAKE SWITCH AND STOP LAMP 
SWITCH .............................................................. 21
ASCD CLUTCH SWITCH (M/T)  .......................... 21
PARK/NEUTRAL POSITION SWITCH (A/T) ....... 21
ASCD RELAY (A/T)  ............................................. 22

ASCD Wire Adjustment  .......................................... 23

WITH VG33E ....................................................... 23
WITH VG33ER  .................................................... 23

ACS-2

PRECAUTIONS

PRECAUTIONS

PFP:00001

Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT 
BELT PRE-TENSIONER”

EKS006XD

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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.

The vehicle may be equipped with a passenger air bag deactivation switch. Because no rear seat exists where
a rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a
rear-facing child restraint can be used in the front passenger seat. The switch is located in the center of the
instrument panel, near the ashtray. When the switch is turned to the ON position, the passenger air bag is
enabled and could inflate for certain types of collision. When the switch is turned to the OFF position, the pas-
senger air bag is disabled and will not inflate. A passenger air bag OFF indicator on the instrument panel lights
up when the passenger air bag is switched OFF. The driver air bag always remains enabled and is not affected
by the passenger air bag deactivation switch.

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 per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS 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
harness connectors.

The vehicle may be equipped with a passenger air bag deactivation switch which can be operated
by the customer. When the passenger air bag is switched OFF, the passenger air bag is disabled
and will not inflate. When the passenger air bag is switched ON, the passenger air bag is enabled
and could inflate for certain types of collision. After SRS maintenance or repair, make sure the
passenger air bag deactivation switch is in the same position (ON or OFF) as when the vehicle
arrived for service.

Wiring Diagrams and Trouble Diagnosis

EKS006XE

When you read wiring diagrams, refer to the following:

GI-13, "How to Read Wiring Diagrams"

PG-9, "POWER SUPPLY ROUTING"

When you perform trouble diagnosis, refer to the following:

GI-9, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"

 

GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident"

Check for any Service bulletins before servicing the vehicle.

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

ACS-3

C

D

E

F

G

H

I

J

L

M

A

B

ACS

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

PFP:18930

Component Parts and Harness Connector Location

EKS006XF

WKIA1115E

ACS-4

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

WKIA1116E

 

 

 

 

 

 

 

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