Infiniti M45 (Y34). Manual — part 2
ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
ACS
A
B
ACS
AUTO CRUISE CONTROL SYSTEM
ASCD
PRECAUTIONS . . . . . . . . . . . . . . .. 3
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
Component Parts and Harness Connector Location
System Description . . . . . . . . . . . . .. 4
Schematic . . . . . . . . . . . . . . . . 7
Wiring Diagram — ASCD — . . . . . . . . . 8
Fail-Safe System . . . . . . . . . . . . . 14
DESCRIPTION . . . . . . . . . . . . . 14
MALFUNCTION DETECTION CONDITIONS . . 14
Electrical Component Inspection . . . . . . . 30
ASCD BRAKE SWITCH AND STOP LAMP
SWITCH . . . . . . . . . . . . . . . .. 30
PARK/NEUTRAL POSITION RELAY . . . . .. 30
ASCD Wire Adjustment . . . . . . . . . . .. 30
SERVICE DATA AND SPECIFICATIONS (SDS) . .. 31
Standard and Limit . . . . . . . . . . . . .. 31
Tightening Torque . . . . . . . . . . . . ... 31
ICC
PRECAUTIONS . . . . . . . . . . . . . . 32
PREPARATION . . . . . . . . . . . . . . . 33
Special Service Tools . . . . . . . . . . . . 33
DESCRIPTION . . . . . . . . . . . . . . .. 34
Outline . . . . . . . . . . . . . . . . . 34
CAN COMMUNICATION UNIT . . . . . . . 35
Switch Operation . . . . . . . . . . . . . 35
ICC System Display . . . . . . . . . . . . 36
ACTION TEST . . . . . . . . . . . . . . ... 37
ICC System Running Test . . . . . . . . . .. 37
ACS-2
Setting the ICC Target Board . . . . . . . . .. 40
Aiming Adjustment . . . . . . . . . . . . .. 42
CHECK AFTER THE ADJUSTMENT . . . . .. 45
ELECTRICAL UNITS LOCATION . . . . . . . . 46
Component Parts and Harness Connector Location ... 46
WIRING DIAGRAM . . . . . . . . . . . . ... 47
Schematic . . . . . . . . . . . . . . . ... 47
Wiring Diagram — ICC — . . . . . . . . . .. 48
TERMINALS AND REFERENCE VALUE . . . . . 55
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION . . . . . . . . . . . . . . . . . . .. 58
Work Flow . . . . . . . . . . . . . . . ... 58
CONSULT-II Function . . . . . . . . . . . . 59
Self-Diagnostic Function . . . . . . . . . . . 63
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS . . . . . . . . . . . . . . . . . . 68
TROUBLE DIAGNOSIS FOR SYMPTOMS . . . ..92
ELECTRICAL COMPONENT INSPECTION . . ...101
REMOVAL AND INSTALLATION . . . . . . . 104
SERVICE DATA AND SPECIFICATIONS (SDS) . 107
Standard and Limit . . . . . . . . . . . . 107
Tightening Torque . . . . . . . . . . . . .107
PRECAUTIONS
ACS-3
[ASCD]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
[ASCD]
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AKS004EO
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 SRS 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 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.
Wiring Diagrams and Trouble Diagnosis
AKS002VF
When you read wiring diagrams, refer to the followings:
●
Refer to
GI-14, "How to Read Wiring Diagrams"
in GI section
●
Refer to
for power distribution circuit in PG section
When you perform trouble diagnosis, refer to the followings:
●
Refer to
GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
in GI section
●
Refer to
GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident"
in GI section
ACS-4
[ASCD]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
PFP:18930
Component Parts and Harness Connector Location
AKS002PB
System Description
AKS002PC
Refer to Owner's Manual for ASCD operating instructions.
POWER SUPPLY AND GROUND
When ignition switch is in the ON or START position, power is supplied:
●
through 10A fuse [No. 12, located in the fuse block (J/B) NO.1]
●
to ASCD control unit terminal 5 and
●
through ASCD brake switch terminal 1and 2.
●
to park/neutral position relay terminal 3.
●
through 10A fuse [No. 9, located in the fuse block (J/B) NO.1]
SKIA3059E
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