Infiniti F50. Manual — part 9
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
ACS-29
[ASCD]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
Electrical Component Inspection
EKS003OG
ASCD BRAKE SWITCH AND STOP LAMP SWITCH
Check each switch after adjusting brake pedal — refer to
.
PARK/NEUTRAL POSITION RELAY
ASCD Wire Adjustment
EKS003OH
CAUTION:
●
Be careful not to twist ASCD wire when removing it.
●
Do not tense ASCD wire excessively during adjustment.
Adjust the tension of ASCD wire in the following manner.
1.
Loosen lock nut and adjusting nut.
2.
Make sure that accelerator wire is properly adjusted. Refer to
ACC-2, "ACCELERATOR CONTROL SYS-
3.
Tighten adjusting nut just until throttle drum starts to move.
4.
Loosen adjusting nut again 1/2 to 1 turn.
5.
Tighten lock nut to specified torque holding the adjusting nut.
Condition
Continuity
ASCD brake switch
Stop lamp switch
When brake pedal is depressed
No
Yes
When brake pedal is released
Yes
No
PBIC0224E
Continuity
Between terminals 3 and 4
Battery voltage supply
No
Battery voltage not supply
Yes
PKIA2378E
PBIC0226E
ACS-30
[ASCD]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and Limit
EKS003OI
Tightening torque
EKS003OJ
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)*
Turning back of ASCD cable adjusting nut
1/2 - 1.0 turns (From position throttle drum just starts to move)
ACSD cable lock nut
8 - 10 (0.8 - 1.1, 70 - 95)*
ASCD actuator
Bolt
4.4 - 5.8 (0.45 - 0.59, 39 - 51)*
Nut
10.8 - 13.7 (1.1 - 1.3, 8 - 10)
ASCD control unit
2.9 - 3.9 (0.30 - 0.39, 26 - 34)*
PRECAUTIONS
ACS-31
[ICC]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
[ICC]
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EKS006S9
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.
Precautions for ICC System Service
EKS003S3
●
Do not look straight into the laser beam discharger when adjusting laser beam aiming.
●
Turn the ON/OFF switch OFF in conditions similar to driving, suchlike Free rollers or a chassis dynamom-
eter.
●
Do not use the ICC sensor removing from vehicle, disassemble, or remodel the sensor.
●
Erase DTCs when replacing parts of ICC system, then check the operation of ICC system after adjusting
laser beam aiming if necessary.
Wiring Diagrams and Trouble Diagnosis
EKS003S4
When you read wiring diagrams, refer to the followings:
●
Refer to
GI-13, "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-32
[ICC]
PREPARATION
PREPARATION
PFP:00002
Special Service Tool
EKS003ON
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent – Moore No. )
Tool name
Description
KV99110100
(J-45718)
ICC target board
Laser beam aiming adjustment
PKIA0358J
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