Infiniti QX56 (Z62). Manual - part 245

DAS

SYSTEM

DAS-17

< SYSTEM DESCRIPTION >

[ADAS CONTROL UNIT]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Combination 
meter

CAN commu-
nication

Meter display 
signal

Own vehicle indicator 
signal

Transmits a signal to display a state of the system on 
the information display

Vehicle ahead detec-
tion indicator signal

Set vehicle speed indi-
cator signal

Set distance indicator 
signal

SET switch indicator 
signal

MAIN switch indicator 
signal

DCA system switch in-
dicator signal

BSW warning lamp signal

Transmits a BSW warning lamp signal to turn ON the 
BSW warning lamp

LDP ON indicator lamp signal

Transmits an LDP ON indicator lamp signal to turn ON 
the LDP ON indicator lamp

Lane departure warning lamp signal

Transmits an lane departure warning lamp signal to 
turn ON the lane departure warning lamp

ICC warning lamp signal

Transmits an ICC warning lamp signal to turn ON the 
ICC system warning lamp

IBA OFF indicator lamp signal

• Transmits a signal to turn ON the IBA OFF indicator 

lamp

• Transmits an ON/OFF state of the intelligent brake 

assist

Buzzer output signal

Transmits a buzzer output signal to turn ON the buzz-
er of the following systems:
• Intelligent Cruise Control (ICC)
• Distance Control Assist (DCA)
• Intelligent Brake Assist (IBA)
• Forward Collision Warning (FCW)

ICC sensor

ITS commu-
nication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS 
control unit

Steering angle sensor signal

Transmits a steering angle sensor signal received 
from the steering angle sensor

Lane camera 
unit

ITS commu-
nication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS 
control unit

Turn indicator signal

Transmits a turn indicator signal received from BCM

Accelerator 
pedal actuator

ITS commu-
nication

Accelerator pedal position signal

Transmits an accelerator pedal angle calculated by 
the ADAS control unit

Accelerator pedal feedback force control 
signal

Transmits a target reaction force value calculated by 
the ADAS control unit

Side radar LH, 
RH

ITS commu-
nication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS 
control unit

BSW indicator signal

Transmits a BSW indicator signal to turn ON the BSW 
indicator

BSW indicator dimmer signal

Transmits a BSW indicator dimmer signal to dimmer 
BSW indicator

ICC brake hold 
relay

ICC brake hold relay drive signal

Activates the brake hold relay and turns ON the stop 
lamp

Reception unit

Signal name

Description

DAS-18

< SYSTEM DESCRIPTION >

[ADAS CONTROL UNIT]

SYSTEM

DESCRIPTION

• ADAS

*

 control unit controls the following systems, based on ITS communication signals from the ICC sen-

sor, the accelerator pedal actuator, the lane camera unit and side radar LH/RH and a CAN communication
signal from each control unit.
NOTE:
*: Advanced Driver Assistance Systems

- Intelligent Cruise Control (ICC)
- Distance Control Assist (DCA)
- Intelligent Brake Assist (IBA)
- Brake Assist (with preview function)
- Forward Collision Warning (FCW)
- Lane Departure Warning (LDW)/Lane Departure Prevention (LDP)
- Blind Spot Warning (BSW)

Fail-safe

INFOID:0000000006223473

If a malfunction occurs in each system, ADAS control unit cancels each control, sounds a beep, and turns ON
the warning lamp or indicator lamp.

Warning buzz-
er

Warning buzzer signal

Activates the warning buzzer of the following systems:
• Lane Departure Warning (LDW)
• Lane Departure Prevention (LDP)
• Blind Spot Warning (BSW)

Warning sys-
tems ON indi-
cator

Warning systems ON indicator signal

Turns ON the warning systems ON indicator

Reception unit

Signal name

Description

System

Reference

Intelligent Cruise Control (ICC)

CCS-12, "System Description"

Distance Control Assist (DCA)

DAS-68, "System Description"

Intelligent Brake Assist (IBA)

BRC-152, "INTELLIGENT BRAKE ASSIST : System De-
scription"

Brake Assist (with preview function)

BRC-145, "BRAKE ASSIST (WITH PREVIEW FUNCTION) 
: System Description"

Forward Collision Warning (FCW)

DAS-218, "System Description"

Lane Departure Warning (LDW)/Lane Departure Prevention (LDP)

• LDW: 

DAS-277, "LANE DEPARTURE WARNING (LDW) 

SYSTEM : System Description"

• LDP: 

DAS-280, "LANE DEPARTURE PREVENTION 

(LDP) SYSTEM : System Description"

Blind Spot Warning (BSW)

DAS-410, "System Description"

System

Buzzer

Warning lamp/Indicator lamp

Description

Vehicle-to-vehicle distance control mode

High-pitched 
tone

ICC system warning lamp

Cancel

Conventional (fixed speed) cruise control mode

High-pitched 
tone

ICC system warning lamp

Cancel

Intelligent Brake Assist (IBA)

High-pitched 
tone

IBA OFF indicator lamp

Cancel

Forward Collision Warning (FCW)

High-pitched 
tone

IBA OFF indicator lamp

Cancel

Distance Control Assist (DCA)

High-pitched 
tone

ICC system warning lamp

Cancel

Lane Departure Warning (LDW)

—

Lane departure warning lamp

Cancel

DAS

SYSTEM

DAS-19

< SYSTEM DESCRIPTION >

[ADAS CONTROL UNIT]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Lane Departure Prevention (LDP)

Low-pitched 
tone

Lane departure warning lamp

Cancel

Blind Spot Warning (BSW)

—

BSW warning lamp

Cancel

System

Buzzer

Warning lamp/Indicator lamp

Description

DAS-20

< SYSTEM DESCRIPTION >

[ADAS CONTROL UNIT]

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

On Board Diagnosis Function

INFOID:0000000006223474

DESCRIPTION

The DTC is displayed on the information display by operating the ICC steering switch.

On Board Self-diagnosis System Diagram

METHOD OF STARTING

CAUTION:

Start condition of on board self-diagnosis
• ICC system OFF
• DCA system OFF
• Vehicle speed 0 km/h (0 MPH)
1.

Turn the ignition switch OFF.

2.

Start the engine.

3.

Wait for 5 seconds after starting the engine. Push up the
RESUME/ACCELERATE switch 5 times and push down the
SET/COAST switch 5 times within 10 seconds.
NOTE:
If the above operation cannot be performed within 10 seconds
after waiting for 5 seconds after starting the engine, repeat the
procedure from step 1.

4.

The DTC is displayed on the set vehicle speed indicator (1) on the ICC system display on the information
display when the on board self-diagnosis starts. Refer to 

DAS-38, "DTC Index"

.

NOTE:

JSOIA0271GB

PKIB8371E

JSOIA0008GB