Infiniti EX35. Manual — part 397
CCS
LANE DEPARTURE PREVENTION (LDP) SYSTEM
CCS-123
< FUNCTION DIAGNOSIS >
[LDW & LDP]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
• The warning and assist functions stop when the vehicle returns to a position inside of the lane marker.
BASIC OPERATIONS
Switches And Indicator/Warning Lamps
Bulb Check Action and Fail-safe Indication
JPOIA0013GB
1.
• LDP ON indicator lamp (Green)
• Lane departure warning lamp (Yel-
low)
2.
LDP ON switch
A.
On the combination meter
B.
On the ICC steering switch
JSOIA0090ZZ
Vehicle condition/ Driver's operation
Indication on the combination meter
Ignition switch:
OFF
⇒
ON
When DTC is detected
(Except “C1B01” and “C1B03”)
JPOIA0017GB
JPOIA0019GB
CCS-124
< FUNCTION DIAGNOSIS >
[LDW & LDP]
LANE DEPARTURE PREVENTION (LDP) SYSTEM
LDP SYSTEM CONTROL DESCRIPTION
• LDP system is controlled by lane camera unit and LDP controller [ABS actuator and electric unit (control
unit)].
NOTE:
LDP controller is integrated in the ABS actuator and electric unit (control unit).
• Lane camera unit monitors lane markers of the traveling lane. It transmits the detected lane condition signal
to ABS actuator and electric unit (control unit) via CAN communication.
• ABS actuator and electric unit (control unit) detects vehicle conditions depending on each signal.
• Combination meter turns the lane departure warning lamp and LDP ON indicator lamp ON/OFF according to
the signals from the lane camera unit via CAN communication (through unified meter and A/C amp.).
• When ABS actuator and electric unit (control unit) judges vehicle deviation from the traveling lane, it controls
following actions.
- Requests warning to the lane camera unit via CAN communication to alert the driver. And then lane camera
unit controls the lane departure warning buzzer and it requests the lane departure warning lamp activation to
combination meter.
- Calculates the necessary yaw moment. And then it controls the brake pressure of each wheel individually to
generate the intended movement.
LDP OPERATING CONDITION
• LDP ON indicator lamp: ON
NOTE:
LDW ON indicator is OFF.
• Vehicle speed: approximately 72 km/h (45 MPH) or more
NOTE:
For details of LDP system operating conditions, refer to normal operating condition
Camera aiming is not completed
(“C1B01” is detected)
Temporary disabled status at high temperature
(“C1B03” is detected)
Vehicle condition/ Driver's operation
Indication on the combination meter
JPOIA0020GB
JPOIA0036GB
CCS
LANE DEPARTURE PREVENTION (LDP) SYSTEM
CCS-125
< FUNCTION DIAGNOSIS >
[LDW & LDP]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
SIGNAL INPUT/OUTPUT BY CAN COMMUNICATION
The lane camera unit and ABS actuator and electric unit (control unit) transmit/receive each signals via CAN
communication. They also detect the vehicle conditions necessary for LDP control.
Input
Output
Vehicle speed
(Approx.)
[km/h (MPH)]
Vehicle condition/ Driver's
operation
Action
Indication on the combination meter
Buzzer
Less than 64
(40)
Close to lane marker
No action
—
72 (45) or
more
Close to lane marker
Warning and yawing
• Buzzer sounds
• Warning lamp blinks
• Brake control
Short continu-
ous beeps
• Close to lane marker
• Turn signal ON (Deviate
side)
No action
—
Close to lane with soft brak-
ing
Warning
• Buzzer sounds
• Warning lamp blinks
Short continu-
ous beeps
VDC OFF switch:
OFF
⇒
ON
Cancellation
• Buzzer sounds
• Indicator lamp blinks
NOTE:
When LDP ON switch is ON
⇒
OFF, indicator lamp is turned
OFF.
Beep
SNOW MODE switch:
OFF
⇒
ON
(If equipped)
Cancellation
• Buzzer sounds
• Indicator lamp blinks
NOTE:
When LDP ON switch is ON
⇒
OFF, indicator lamp is turned
OFF.
Beep
JPOIA0021GB
JPOIA0022GB
JPOIA0021GB
JPOIA0022GB
JPOIA0023GB
JPOIA0023GB
CCS-126
< FUNCTION DIAGNOSIS >
[LDW & LDP]
LANE DEPARTURE PREVENTION (LDP) SYSTEM
Reception Unit
Signal Name
Transmission Unit
Description
(Reception unit uses...)
Lane camera unit
LDP operation signal
ABS actuator and elec-
tric unit (control unit)
Detects the LDP operating condition
LDP condition signal
Detects the LDP conditions
LDP buzzer request signal
Controls the lane departure warning buzzer ac-
cording to the request
LDP meter indication request
signal
Controls the LDP ON indicator lamp and lane de-
parture warning lamp according to the request
Vehicle speed signal
Detects the vehicle speed
Front wiper status signal
Detects operation of the front wiper
Turn indicator signal
BCM
Detects operation of turn signals
Ambient temperature signal
Unified meter and A/C
amp.
Detects the ambient temperature
ABS actuator and
electric unit (control
unit)
Detected lane condition signal
Lane camera unit
Detects the lane marker condition
Lane camera status signal
Detects the lane camera status
LDW operation signal
Detects the LDW operation
Lane departure buzzer opera-
tion signal
Detects the lane departure warning buzzer opera-
tion
LDW switch signal
Detects LDW switch status
LDP ON indicator lamp signal
Detects the LDP ON indicator lamp condition
Lane departure warning lamp
signal
Detects the lane departure warning lamp condition
Snow mode switch signal
ECM
Detects the snow mode status
ICC steering switch signal
(LDP ON switch signal)
Detects LDP ON switch status
Accelerator pedal position sig-
nal
Detects vehicle conditions to calculate the acceler-
ation/deceleration of the vehicle
Engine speed signal
Shift position signal
TCM
Detects the transmission conditions
Output shaft revolution signal
Turbine revolution signal
Current gear position signal
Steering angle sensor signal
Steering angle sensor
Detects the steering angle
ICC operation signal
ICC sensor integrated
unit
Detects ICC system conditions
Target approach warning signal
Buzzer output signal
Turn indicator signal
BCM
Detects operation of the front wiper
Front wiper request signal
Detects operation of turn signals
Combination meter
(through unified meter
and A/C amp.)
LDP ON indicator lamp signal
Lane camera unit
Turns the LDP ON indicator lamp ON/OFF accord-
ing to the request
Lane departure warning lamp
signal
Turns the lane departure warning lamp ON/OFF
according to the request
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