2011 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2011 Factory Service Manual
DAS-92
< SYSTEM DESCRIPTION >[DCA]
DIAGNOSIS SYSTEM (ACCELERATOR PEDAL ACTUATOR)
ACTIVE TEST
CAUTION:
Never perform ACTIVE TEST while driving the vehicle.
NOTE:
The active test cannot be performed wh

DAS-92
< SYSTEM DESCRIPTION >[DCA]
DIAGNOSIS SYSTEM (ACCELERATOR PEDAL ACTUATOR)
ACTIVE TEST
CAUTION:
Never perform ACTIVE TEST while driving the vehicle.
NOTE:
The active test cannot be performed when the
ICC system warning lamp is illuminated.
Item list
ACCELERATOR PEDAL ACTUATOR TEST 1
NOTE:
Check the accelerator pedal by depressing when performing the test.
ACCELERATOR PEDAL ACTUATOR TEST 2
NOTE:
Check the accelerator pedal by depressing when performing the test.
ECU IDENTIFICATION
Displays accelerator pedal assembly parts number.
Monitor item [Unit] FUNCTION DESCRIPTION
TGT FBK FRC
[N] It displays the target accelerator pedal actuation force that the accelerator pedal actuator read out
from the accelerator pedal feedback force control signal received via ITS communication
(The ADAS control unit transmits the accelerator pedal feedback force control signal via ITS commu-
nication)
TGT MOT POSI
[%] It displays the target motor position that the acce
lerator pedal actuator read out from the accelerator
pedal feedback force control signal received via ITS communication
(The ADAS control unit transmits the accelerator pedal feedback force control signal via ITS commu-
nication)
ACT MOT POSI
[%] It displays the integrated motor position that the accelerator pedal actuator read out
AP OPEN
[%] It displays the accelerator pedal position signal that the accelerator pedal actuator read out via ITS
communication
(The ADAS control unit transmits with ITS communication the accelerator pedal position signal that
is received from ECM via CAN communication)
APA TEMP
[ ° C] It displays the accelerator pedal actuator integrated motor temperature
APA CURRENT
[A] It displays the accelerator pedal actuator integrated motor consumption current
APA PWR
[V] It displays the power supply voltage that the accelerator pedal actuator read out
APA OPE STATS
[On/Off] It displays the activation permission status of accelerator pedal actuator
APA STATS
[READY/NG/TP NG/INIT] It displays the condition of accelerator pedal actuator
Active test item Description
ACCELERATOR PEDAL ACTUATOR TEST1 Drive the accelerator pedal actuator and generate the constant accelerator pedal
actuation force
ACCELERATOR PEDAL ACTUATOR TEST2 Drive the accelerator pedal actuator and generate the vibration
Active test item Operation Description
ACCELERATOR PEDAL AC-
TUATOR TEST1 STOP Finish the test
START Generate the constant accelerator pedal actuation force for accelerator pedal
Active test item Operation Description
ACCELERATOR PEDAL AC-
TUATOR TEST 2 STOP Finish the test
START Generate the vibration for accelerator pedal
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
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ECU DIAGNOSIS INFORMATION
ADAS CONTROL UNIT
Reference ValueINFOID:0000000006223510
VALUES ON THE DIAGNOSI

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ECU DIAGNOSIS INFORMATION
ADAS CONTROL UNIT
Reference ValueINFOID:0000000006223510
VALUES ON THE DIAGNOSIS TOOL
Monitor item Condition Value/Status
MAIN SW Ignition switch ON When MAIN switch is pressed On
When MAIN switch is not pressed Off
SET/COAST SW Ignition switch ON When SET/COAST switch is pressed On
When SET/COAST switch is not pressed Off
CANCEL SW Ignition switch ON When CANCEL switch is pressed On
When CANCEL switch is not pressed Off
RESUME/ACC SW Ignition switch ON When RESUME/ACCELERATE
switch is pressed On
When RESUME/ACCELERATE switch is not pressed Off
DISTANCE SW Ignition switch ON When DISTANCE swit
ch is pressed On
When DISTANCE switch is not pressed Off
CRUISE OPE Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When ICC system is controlling On
When ICC system is not controlling Off
BRAKE SW Ignition switch ON When brake pedal is depressed Off
When brake pedal is not depressed On
STOP LAMP SW Ignition switch ON When brake pedal is depressed On
When brake pedal is not depressed Off
IDLE SW Engine running Idling On
Except idling (depress accelerator pedal) Off
SET DISTANCE Start the engine and turn the
ICC system ON
Press the DISTANCE switch to change the vehi-
cle-to-vehicle distance set-
ting When set to “long” Long
When set to “middle” Mid
When set to “short” Short
CRUISE LAMP Start the engine and press
MAIN switch ICC system ON
(MAIN switch indicator ON)
On
ICC system OFF
(MAIN switch indicator OFF) Off
OWN VHCL Start the engine and press
MAIN switch ICC system ON
(Own vehicle indicator ON)
On
ICC system OFF
(Own vehicle indicator OFF) Off
VHCL AHEAD Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When a vehicle ahead is detected (vehicle ahead de-
tection indicator ON)
On
When a vehicle ahead is not detected (vehicle ahead
detection indicator OFF) Off
ICC WARNING Start the engine and press
MAIN switch When ICC system is malfunctioning
(ICC system warning lamp ON)
On
When ICC system is normal
(ICC system warning lamp OFF) Off
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
DAS-94
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
VHCL SPEED SE While driving Displays the ve-
hicle speed cal-
culated by
ADAS control unit
SET VHCL SPD While driving When vehicle speed

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INFINITI QX56 2011 Factory Service Manual
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GEAR While driving Displays the
gear position
MODE SIG Start the engine and press
MAIN switch When ICC

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GEAR While driving Displays the
gear position
MODE SIG Start the engine and press
MAIN switch When ICC system is deactivated Off
When vehicle-to-vehicle distance control mode is acti-
vated
ICC
When conventional (fixed speed) cruise control mode is
activated ASCD
SET DISP IND Drive the vehicle and acti-
vate the conventional (fixed
speed) cruise control mode
Press SET/COAST switch SET switch indicator ON On
SET switch indicator OFF Off
DISTANCE Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When a vehicle ahead is detected
Displays the dis-
tance from the
preceding vehi- cle
When a vehicle ahead is not detected 0.0
RELATIVE SPD Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When a vehicle ahead is detected
Displays the rel-
ative speed.
When a vehicle ahead is not detected 0.0
DYNA ASIST SW Ignition switch ON When dynamic driver assistance switch is pressed On
When dynamic driver assistance switch is not pressed Off
DCA ON IND Start the engine and press dy-
namic driver assistance switch
(When DCA setting is ON) DCA system OFF
(DCA system switch indicator OFF)
Off
DCA system ON
(DCA system switch indicator ON) On
DCA VHL AHED Drive the vehicle and activate
the DCA system When a vehicle ahead is not detected (vehicle ahead
detection indicator OFF)
Off
When a vehicle ahead is detected (vehicle ahead de-
tection indicator ON) On
IBA SW Ignition switch ON When the IBA OFF switch is pressed On
When the IBA OFF switch is not pressed Off
FCW SYSTEM ON Ignition switch ON When the FCW system is ON
(Warning systems ON indicator ON)
On
When the FCW system is OFF
(Warning systems ON indicator OFF) Off
APA TEMP Engine running Display the ac-
celerato
r pedal
actuator inte- grated motor temperature
APA PWR Ignition switch ON Power supply
voltage value of
accelerator ped- al actuator
LDW SYSTEM ON Ignition switch ON When the LDW system is ON
(Warning systems ON indicator ON)
On
When the LDW system is OFF
(Warning systems ON indicator OFF) Off
LDW ON LAMP Ignition switch ON Warning systems ON indicator ON On
Warning systems ON indicator OFF Off
Monitor item Condition Value/Status
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
DAS-96
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
LDP ON INDStart the engine and press dy-
namic driver assistance switch
(When LDP system setting is
ON) LDP ON indicator lamp ON On
LDP ON

DAS-96
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
LDP ON INDStart the engine and press dy-
namic driver assistance switch
(When LDP system setting is
ON) LDP ON indicator lamp ON On
LDP ON indicator lamp OFF Off
LANE DPRT W/L Drive the vehicle and activate
the LDW system or LDP sys-
tem Lane departure warning lamp ON On
Lane departure warning lamp OFF Off
LDW BUZER OUT-
PUT Drive the vehicle and activate
the LDW/LDP system or BSW
system When the buzzer of the following system operates
LDW/LDP system
BSW system
On
When the buzzer of the following system does not oper-
ate
LDW/LDP system
BSW system Off
LDP SYSTEM ON Start the engine and press dy-
namic driver assistance switch
(When LDP system setting is
ON) When the LDP system is ON On
When the LDP system is OFF Off
READY signal Start the engine and press dy-
namic driver assistance switch
(When LDP system setting is
ON) When the LDP system is ON On
When the LDP system is OFF Off
Camera lost Drive the vehicle and activate
the LDW system, LDP system Both side lane markers are detected Detect
Deviate side lane marker is lost Deviate
Both side lane markers are lost Both
Shift position Engine running
While driving Displays the
shift position
Turn signal Turn signal lamps OFF
Off
Turn signal lamp LH blinking LH
Turn signal lamp RH blinking RH
Turn signal lamp LH and RH blinking LH&RH
SIDE G While driving Vehicle turning right Negative value
Vehicle turning left Positive value
WARN REQ Drive the vehicle and activate
the LDP system Lane departure warning is operating On
Lane departure warning is not operating Off
STATUS signal Drive the vehicle and activate
the LDP system When the LDP system is ON Stnby
When the LDP system is operating Warn
When the LDP system is canceled Cancl
When the LDP system is OFF Off
Lane unclear While driving Lane marker is unclear On
Lane marker is clear Off
FUNC ITEM Ignition switch ON FUNC1
FUNC ITEM (NV-ICC) Ignition switch ON Off
FUNC ITEM (NV-
DCA) Ignition switch ON
Off
DCA SELECT Ignition switch ON “Distance Control Assist” set with the navigation system
is ON
On
“Distance Control Assist” set with the navigation system
is OFF Off
Monitor item Condition Value/Status
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
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TERMINAL LAYOUT
PHYSICAL VALUES
LDP SELECT Ignition switch ON “Lane Departure Prevention” set with th

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INFINITI QX56 2011 Factory Service Manual
DAS-98
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
Fail-safe
INFOID:0000000006223511
If a malfunction occurs in each system, ADAS contro l unit cancels each control, sounds a beep, and turns

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INFINITI QX56 2011 Factory Service Manual
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DTC Inspection Priority ChartINFOID:0000000006223512
If multiple DTCs are detected simultaneously, che ck

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