Infiniti QX56 (Z62). Manual - part 261

DAS

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

DAS-81

< SYSTEM DESCRIPTION >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Display Items for The Cause of Automatic Cancellation 2

SELF DIAGNOSTIC RESULT

Refer to 

DAS-38, "DTC Index"

.

DATA MONITOR

INCHING LOST

×

A vehicle ahead is not detected during the following driving when 
the vehicle speed is approximately 24 km/h (15 MPH) or less

CAN COMM ERROR

×

×

×

ADAS control unit received an abnormal signal with CAN commu-
nication

ABS/TCS/VDC CIRC

×

×

×

An abnormal condition occurs in VDC/TCS/ABS system

ECD CIRCUIT

×

×

×

An abnormal condition occurs in ECD system

ASCD VHCL SPD DTAC

×

Vehicle speed is detached from set vehicle speed

ASCD DOUBLE COMD

×

Cancel switch and operation switch are detected simultaneously

APA HI TEMP

×

The accelerator pedal actuator integrated motor temperature is 
high

ICC SENSOR CAN 
COMM ERR

×

×

Communication error between ADAS control unit and the ICC sen-
sor

4WD LOCK MODE

×

×

×

Shifting of the 4WD shift switch to 4H or 4L

ABS WARNING LAMP

×

×

ABS warning lamp ON

NO RECORD

×

×

×

—

Cause of cancellation

Description

OPE VDC/TCS/ABS 1

The activation of VDC, TCS, or ABS during LDP system control

Vehicle dynamics

Vehicle behavior exceeds specified value

Steering speed

Steering speed was more than the specified value in evasive direction

End by yaw angle

Yaw angle was the end of LDP control

Departure yaw large

Detected more than the specified value of yaw angle in departure direction

ICC WARNING

Target approach warning of ICC system, IBA system or FCW system was activated

CURVATURE

Road curve was more than the specified value

Steering angle large

Steering angle was more than the specified value

Brake is operated

Brake pedal was operated

IGN LOW VOLT

Decrease in ADAS control unit IGN voltage

Lateral offset

Distance of vehicle and lane was detached in lateral direction more than the specified value

Lane marker lost

Lane camera unit lost the trace of lane marker

Lane marker unclear

Detected lane marker was unclear

Yaw acceleration

Detected yawing speed was more than the specified value

Deceleration large

Deceleration in a longitudinal direction was more than the specified value

Accel is operated

Accelerator pedal was depressed

Departure steering

Steering wheel was steered more than the specified value in departure direction

Evasive steering

Steering wheel was steered more than the specified value in the evasive direction

R range

Selector lever was operated to R range

Parking brake drift

Rear wheels lock was detected

Not operating condition

Did not meet the operating condition (vehicle speed, turn signal operation, etc)

SNOW MODE SW

SNOW mode switch was pressed

VDC OFF SW

VDC OFF switch was pressed

OPE VDC/ABS 2

The activation of VDC or ABS during a standby time of LDP system control

4WD LOCK MODE

Shifting of the 4WD shift switch to 4H or 4L

NO RECORD

—

DAS-82

< SYSTEM DESCRIPTION >

[DCA]

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

Monitored item

[Unit]

ALL SIG

(ICC)

MAI

N

 SIG

(ICC)

MAI

N

 SIG

(LDW/LDP)

MAI

N

 SIG

(BSW

/BSI)

Description

MAIN SW
[On/Off]

×

×

×

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

SET/COAST SW
[On/Off]

×

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

CANCEL SW
[On/Off]

×

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

RESUME/ACC SW
[On/Off]

×

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

DISTANCE SW
[On/Off]

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

CRUISE OPE
[On/Off]

×

×

Indicates whether controlling or not (ON means “controlling”)

BRAKE SW
[On/Off]

×

×

×

×

Indicates [On/Off] status as judged from ICC brake switch signal (ECM transmits 
ICC brake switch signal through CAN communication)

STOP LAMP SW
[On/Off]

×

×

×

×

Indicates [On/Off] status as judged from stop lamp switch signal (ECM transmits 
stop lamp switch signal through CAN communication)

IDLE SW
[On/Off]

×

Indicates [On/Off] status of idle switch read from ADAS control unit through CAN 
communication (ECM transmits On/Off status through CAN communication)

SET DISTANCE
[Short/Mid/Long]

×

×

Indicates set distance memorized in ADAS control unit

CRUISE LAMP
[On/Off]

×

×

Indicates [On/Off] status of MAIN switch indicator output

OWN VHCL
[On/Off]

×

Indicates [On/Off] status of own vehicle indicator output

VHCL AHEAD
[On/Off]

×

Indicates [On/Off] status of vehicle ahead detection indicator output

ICC WARNING
[On/Off]

×

Indicates [On/Off] status of ICC system warning lamp output

VHCL SPEED SE
[km/h] or [mph]

×

×

×

×

Indicates vehicle speed calculated from ADAS control unit through CAN commu-
nication [ABS actuator and electric unit (control unit) transmits vehicle speed sig-
nal (wheel speed) through CAN communication]

SET VHCL SPD
[km/h] or [mph]

×

×

Indicates set vehicle speed memorized in ADAS control unit

BUZZER O/P
[On/Off]

×

Indicates [On/Off] status of ICC warning chime output

THRTL SENSOR
[deg]

×

×

NOTE:
The item is displayed, but it is not monitored

ENGINE RPM
[rpm]

×

Indicates engine speed read from ADAS control unit through CAN communication 
(ECM transmits engine speed signal through CAN communication)

WIPER SW
 [OFF/LOW/HIGH] 

×

Indicates wiper [OFF/LOW/HIGH] status (BCM transmits front wiper request sig-
nal through CAN communication)

YAW RATE
[deg/s]

×

NOTE:
The item is displayed, but it is not monitored

BA WARNING
[On/Off]

×

Indicates [On/Off] status of IBA OFF indicator lamp output

STP LMP DRIVE
[On/Off]

×

×

Indicates [On/Off] status of ICC brake hold relay drive output

D RANGE SW
[On/Off]

×

Indicates [On/Off] status of “D” or “M” positions read from ADAS control unit 
through CAN communication; ON when position “D” or “M” (TCM transmits shift 
position signal through CAN communication).

DAS

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

DAS-83

< SYSTEM DESCRIPTION >

[DCA]

C

D

E

F

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A

NP RANGE SW
[On/Off]

×

Indicates shift position signal read from ADAS control unit through CAN commu-
nication (TCM transmits shift position signal through CAN communication)

PKB SW
[On/Off]

×

Parking brake switch status [On/Off] judged from the parking brake switch signal 
that ADAS control unit readout via CAN communication is displayed (Combination 
meter transmits the parking brake switch signal via CAN communication)

PWR SUP MONI
[V]

×

×

Indicates IGN voltage input by ADAS control unit

VHCL SPD AT
[km/h] or [mph]

×

Indicates vehicle speed calculated from A/T vehicle speed sensor read from 
ADAS control unit through CAN communication (TCM transmits A/T vehicle speed 
sensor signal through CAN communication)

THRTL OPENING
[%]

×

×

Indicates throttle position read from ADAS control unit through CAN communica-
tion (ECM transmits accelerator pedal position signal through CAN communica-
tion).

GEAR
[1, 2, 3, 4, 5, 6, 7]

×

Indicates A/T gear position read from ADAS control unit through CAN communi-
cation (TCM transmits current gear position signal through CAN communication)

MODE SIG
[OFF, ICC, ASCD]

×

Indicates the active mode from ICC or ASCD [conventional (fixed speed) cruise 
control mode]

SET DISP IND
[On/Off]

×

Indicates [On/Off] status of SET switch indicator output

DISTANCE
[m]

×

Indicates the distance from the vehicle ahead

RELATIVE SPD
[m/s]

×

Indicates the relative speed of the vehicle ahead

DYNA ASIST SW
[On/Off]

×

×

×

Indicates [On/Off] status as judged from ICC steering switch signal (ECM trans-
mits ICC steering switch signal through CAN communication)

DCA ON IND
[On/Off]

×

The status [ON/OFF] of DCA system switch indicator output is displayed

DCA VHL AHED
[On/Off]

×

The status [ON/OFF] of vehicle ahead detection indicator output in DCA system 
is displayed

IBA SW
[On/Off]

×

×

Indicates [On/Off] status of IBA OFF switch

FCW SYSTEM ON
[On/Off]

×

×

Indicates [On/Off] status of FCW system

APA TEMP
[

°

C]

×

Accelerator pedal actuator integrated motor temperature that the ADAS control 
unit readout via ITS communication is displayed (Accelerator pedal actuator trans-
mits the integrated motor temperature via ITS communication)

APA PWR
[V]

×

Accelerator pedal actuator power supply voltage that the ADAS control unit read-
out via ITS communication is displayed (Accelerator pedal actuator transmits the 
power supply voltage via ITS communication)

LDW SYSTEM ON
[On/Off]

×

Indicates [On/Off] status of LDW system

LDW ON LAMP
[On/Off]

×

Indicates [On/Off] status of waning systems ON indicator output

LDP ON IND
[On/Off]

×

Indicates [On/Off] status of LDP ON indicator lamp (Green) output

LANE DPRT W/L
[On/Off]

×

Indicates [On/Off] status of lane departure warning lamp (Yellow) output

LDW BUZER OUT-
PUT
[On/Off]

×

Indicates [On/Off] status of warning buzzer output

Monitored item

[Unit]

ALL SI

G

(ICC)

M

AIN SIG

(ICC)

M

AIN SIG

(LDW/LDP)

M

AIN SIG

(B

SW/BS

I)

Description

DAS-84

< SYSTEM DESCRIPTION >

[DCA]

DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)

LDP SYSTEM ON
[On/Off]

×

Indicates [On/Off] status of LDP system

WARN REQ
[On/Off]

×

Indicates an ADAS control unit judged warning state (ON/OFF) of LDP system

READY signal
[On/Off]

×

Indicates LDP system settings

Camera lost
[Detect/Deviate/Both]

×

×

Indicates a lane marker detection state judged from a lane marker detection signal 
read by the ADAS control unit via ITS communication
(Lane camera unit transmits a lane marker signal via ITS communication)

Shift position
[Off, P, R, N, D, M/T1 - 
7]

×

×

Indicates shift position read from ADAS control unit through CAN communication 
(TCM transmits shift position signal through CAN communication)

Turn signal
[OFF/LH/RH/LH&RH]

×

×

Indicates turn signal operation status read from ADAS control unit through CAN 
communication (BCM transmits turn indicator signal through CAN communica-
tion)

SIDE G
[G]

×

×

Indicates lateral G acting on the vehicle. This lateral G is judged from a side G 
sensor signal read by ADAS control unit via CAN communication
(The ABS actuator and electric unit (control unit) transmits a side G sensor signal 
via CAN communication)

STATUS signal
[Stnby/Warn/Cancl/
Off]

×

Indicates a control state of LDP system

Lane unclear
[On/Off]

×

×

Indicates an ON/OFF state of the lane marker. The ON/OFF state is judged from 
a detected lane condition signal read by the ADAS control unit via ITS communi-
cation
(The lane camera unit transmits a detected lane condition signal via ITS commu-
nication)

FUNC ITEM
 [FUNC1]

×

×

×

×

Indicates systems which can be set to ON/OFF by selecting “Driver Assistance” 

⇒

 “Dynamic Assistance Settings” of the navigation system

FUNC1: Distance Control Assist (DCA), Lane Departure Prevention (LDP)

FUNC ITEM (NV-ICC)
[Off]

×

×

×

×

NOTE:
The item is displayed, but it is not monitored

FUNC ITEM (NV-
DCA)
[Off]

×

×

×

×

NOTE:
The item is displayed, but it is not monitored

DCA SELECT
[On/Off]

×

×

×

×

Indicates an ON/OFF state of the DCA system. The DCA system can be set to 
ON/OFF by selecting “Driver Assistance” 

⇒

 “Dynamic Assistance Settings” of the 

navigation system

LDP SELECT
[On/Off]

×

×

×

×

Indicates an ON/OFF state of LDP system. LDP system can be set to ON/OFF by 
selecting “Driver Assistance” 

⇒

 “Dynamic Assistance Settings” of the navigation 

system

BSI SELECT
[On/Off]

×

×

×

×

NOTE:
The item is displayed, but it is not monitored

NAVI ICC SELECT
[Off]

×

×

×

×

NOTE:
The item is displayed, but it is not monitored

NAVI DCA SELECT
[Off]

×

×

×

×

NOTE:
The item is displayed, but it is not monitored

SYS SELECTABILITY
[On/Off]

×

×

×

×

Indicates the availability of ON/OFF switching for “Driver Assistance” items re-
ceived from the AV control unit via CAN communication

WARN SYS SW
[On/Off]

×

×

×

×

Indicates [On/Off] status of warning systems switch

BSW/BSI WARN LMP
[On/Off]

×

Indicates [On/Off] status of BSW warning lamp output

Monitored item

[Unit]

ALL SI

G

(ICC)

M

AIN SIG

(ICC)

M

AIN SIG

(LDW/LDP)

M

AIN SIG

(B

SW/BS

I)

Description