Infiniti G35 (V35). Manual — part 775
STC-4
[EPS]
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
PFP:00000
Components
NGS000A5
EPS System Function
NGS000A6
●
Vehicle speed sensing electronically controlled power steering
(that properly controls the steering force by the vehicle speed)
has been adopted. When it is normal, it controls the power
steering solenoid valve according to the vehicle speed as shown
in the figure and makes the steering force proper.
●
For schematic, wiring diagram and trouble diagnosis, refer to
STC-41, "Diagnosis Chart by Symptom 2"
, because EPS is
controlled by RAS control unit.
Fail-Safe Function
NGS000A7
When the fail-safe function operate, it controls power steering sole-
noid valve by the engine speed as shown in the figure and maintains
the steering force.
SGIA1446E
SST696CA
SGIA0411E
SYSTEM DESCRIPTION
STC-5
[EPS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
FAIL-SAFE INPUT/CANCEL CONDITIONS
CAUTION:
Fail-safe function is activated when the engine runs at 1,500 rpm or higher for 10 seconds with the vehicle stopped. This is
normal and the fail-safe function is automatically deactivated when a vehicle speed signal of 2 km/h (1.2 MPH) or higher is
input or the ignition switch is turned OFF.
Input conditions
Cancel conditions
When vehicle runs at an engine speed of 1,500 rpm or higher and no vehicle speed
signal is received for 10 seconds.
●
A vehicle speed of 2 km/h (1.2 MPH)
or more is input.
●
Turn the ignition switch ON after turn-
ing it OFF.
The continuous vehicle speed signal 30 km/h (19 MPH) or more suddenly drops to
less than 2 km/h (1.2 MPH) within 1.4 seconds.
STC-6
[RAS]
PRECAUTIONS
[RAS]
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NGS000AY
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 Battery Service
NGS000AZ
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
Service Notice or Precautions
NGS000B0
The following abbreviations are used.
RAS: Rear active steer
REAR ACTIVE STEER
STC-7
[RAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
REAR ACTIVE STEER
PFP:55705
Removal and Installation
NGS00094
COMPONENTS
REMOVAL
1.
Remove coil spring. Refer to
RSU-15, "Removal and Installation"
2.
Disconnect harness connector from RAS actuator assembly and rear suspension member.
3.
Remove fixing bolts and nuts of RAS actuator assembly (1), and
then remove RAS actuator assembly (1) from rear suspension
member.
INSTALLATION
●
Installation is the reverse order of removal. For tightening torque, refer to
.
●
When installing RAS actuator assembly to rear suspension member, check the mounting surfaces of RAS
actuator assembly and rear suspension member for oil, dirt, sand, or other foreign materials.
●
To perform the neutral position adjustment. Refer to
STC-8, "Neutral Position Adjustment"
1.
Rear lower link
2.
Decenter cam
3.
RAS actuator assembly
Refer to
, for the symbol in the figure.
SGIA1238E
SGIA1239E
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