Infiniti EX35. Manual — part 396
CCS
LANE DEPARTURE WARNING (LDW) SYSTEM
CCS-119
< FUNCTION DIAGNOSIS >
[LDW & LDP]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
LDW SYSTEM CONTROL DESCRIPTION
• LDW system is controlled by lane camera unit.
• Lane camera unit monitors lane markers of the traveling lane.
• Combination meter turns the lane departure warning lamp ON/OFF according to the signal from the lane
camera unit via CAN communication (through unified meter and A/C amp.).
• When the lane camera unit judges vehicle deviation from the traveling lane, it controls following actions to
alert the driver.
- Requests the lane departure warning lamp activation to combination meter.
- Controls the lane departure warning buzzer.
LDW OPERATING CONDITION
• LDW ON indicator: ON
NOTE:
LDP ON indicator lamp is OFF.
• Vehicle speed: approximately 72 km/h (45 MPH) or more
NOTE:
For details of LDW system operating conditions, refer to normal operating condition
.
SIGNAL INPUT/OUTPUT BY CAN COMMUNICATION
Lane camera unit receives signals via CAN communication. It also detects vehicle conditions that are neces-
sary for LDW control.
Input
Output
Vehicle speed
(Approx.)
[km/h (MPH)]
Vehicle condition/ Driver's op-
eration
Action
LDW ON
indictor
Indication on the combination
meter
Buzzer
Less than 64
(40)
Close to lane marker
No action
ON
OFF
—
72 (45) or
more
Close to lane marker
Warning
• Buzzer sounds
• Warning lamp
blinks
ON
Short continu-
ous beeps
• Close to lane marker
• Turn signal ON (Deviate
side)
No action
ON
OFF
—
JPOIA0018GB
Reception Unit
Signal Name
Transmission Unit
Description
Lane camera unit
Vehicle speed signal
ABS actuator and elec-
tric unit (control unit)
Detects the vehicle speed
Turn indicator signal
BCM
Detects operation of turn signals
Combination meter
(through unified meter
and A/C amp.)
Lane departure warning lamp
signal
Lane camera unit
Turns the lane departure warning lamp ON/OFF
according to the request
CCS-120
< FUNCTION DIAGNOSIS >
[LDW & LDP]
LANE DEPARTURE WARNING (LDW) SYSTEM
Component Parts Location
INFOID:0000000003514570
1.
Lane camera unit
2.
BCM
3.
Unified meter and A/C amp.
4.
ABS actuator and electric unit (con-
trol unit)
5.
Lane departure warning buzzer
6.
LDW switch
7.
Lane departure warning lamp (Yel-
low)
1.
Lane camera unit
2.
BCM
3.
Unified meter and A/C amp.
4.
ABS actuator and electric unit (control
unit)
5.
Lane departure warning buzzer
6.
LDW switch
7.
Lane departure warning lamp (Yellow)
A.
Front of the map lamp
B.
Dash side lower (passenger side)
C.
Behind the cluster lid C
JSOIA0089ZZ
JPOIA0121ZZ
CCS
LANE DEPARTURE WARNING (LDW) SYSTEM
CCS-121
< FUNCTION DIAGNOSIS >
[LDW & LDP]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
Component Description
INFOID:0000000003514571
D.
Inside the brake master cylinder cover E.
Behind the cluster lid C
(Under the AV control unit)
F.
Instrument driver lower panel (LH)
G.
On the combination meter
Component
Description
Lane camera unit
(LDW controller)
• Detects the lane marker by the built-in camera.
• Judges the lane departure depending on the lane detection result and each signals.
• Controls the lane departure warning buzzer, lane departure warning lamp and LDW ON indicator.
ABS actuator and electric unit
(control unit)
Transmits vehicle speed signal to lane camera unit via CAN communication.
LDW switch
Inputs the switch signal to lane camera unit.
LDW ON indicator
(On the LDW ON switch)
Indicates LDW system status.
Lane departure warning buzzer
Gives a warning according to the direction from lane camera unit.
Combination meter
Turns the lane departure warning lamp and LDP ON indicator lamp ON/OFF according to the sig-
nals from the lane camera unit via CAN communication (through unified meter and A/C amp.).
Lane departure warning lamp
(Yellow)
• Blinks when LDW is functioning to alert the driver.
• Stays ON when LDW system is malfunctioning.
BCM
Transmits turn indicator signal to lane camera unit via CAN communication.
CCS-122
< FUNCTION DIAGNOSIS >
[LDW & LDP]
LANE DEPARTURE PREVENTION (LDP) SYSTEM
LANE DEPARTURE PREVENTION (LDP) SYSTEM
System Diagram
INFOID:0000000003514572
System Description
INFOID:0000000003514573
OUTLINE
• Lane Departure Prevention (LDP) system provides a lane departure warning and brake control assistance
when the vehicle is driven at speeds of approximately 72 km/h (45 MPH) or more.
• When the vehicle approaches either the left or the right side of the traveling lane, a warning sounds and the
lane departure warning lamp (yellow) on the combination meter blinks to alert the driver.
• Then, the LDP system automatically applies the brakes for a short period of time to help assist the driver to
return the vehicle to the center of the traveling lane.
JPMIA0927GB
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