Infiniti FX35, FX50 (S51). Manual - part 307

CCS-48

< SYSTEM DESCRIPTION >

[ICC (FULL SPEED RANGE)]

DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)

THRTL SENSOR
[deg]

×

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

ENGINE RPM
[rpm]

Indicates engine speed read from ICC sensor integrated unit through CAN communi-
cation (ECM transmits engine speed through CAN communication).

WIPER SW
[Off/Low/High]

Indicates wiper [Off/Low/High] status (BCM transmits front wiper request signal 
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.

FUNC ITEM
[FUNC1]

Indicates the equipment status of DCA system and LDP system.

LDP SELECT
[On/Off]

Indicates [On/Off] status of LDP system setting displayed on the navigation screen.

DCA SELECT
[On/Off]

Indicates [On/Off] status of DCA system setting displayed on the navigation screen.

RELEASE SW NO
[On/Off]

Indicates [On/Off] status as judged from release switch signal.
ON: When brake pedal is depressed.
OFF: When brake pedal is not depressed.

RELEASE SW NC
[On/Off]

Indicates [On/Off] status as judged from release switch signal.
ON: When brake pedal is not depressed.
OFF: When brake pedal is depressed.

STP LMP DRIVE
[On/Off]

×

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

PRESS SENS
[bar]

×

Indicates brake fluid pressure value calculated from signal voltage of brake pressure 
sensor.

D RANGE SW
[On/Off]

Indicates [On/Off] status of “D” or “DS” or “M” positions read from ICC sensor integrat-
ed unit through CAN communication; ON when position “D” or “DS” or “M” (TCM 
transmits shift position signal through CAN communication).

NP RANGE SW
[On/Off]

Indicates shift position signal read from ICC sensor integrated unit through CAN com-
munication (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 
ICC sensor integrated unit readout via CAN communication is displayed (Unified 
meter and A/C amp. transmits the parking brake switch signal via CAN communica-
tion).

PWR SUP MONI
[V]

×

Indicates IGN voltage input by ICC sensor integrated unit.

VHCL SPD AT
[km/h] or [mph]

Indicates vehicle speed calculated from A/T vehicle speed sensor read from ICC sen-
sor integrated unit through CAN communication (TCM transmits A/T vehicle speed 
sensor signal through CAN communication).

THRTL OPENING
[%]

×

Indicates throttle position read from ICC sensor integrated unit through CAN commu-
nication (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 ICC sensor integrated unit through CAN com-
munication (TCM transmits current gear position signal through CAN communica-
tion).

CLUTCH SW SIG
[On/Off]

×

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

NP SW SIG
[On/Off]

×

NOTE:
The item is displayed, but it is not used.

MODE SIG
[OFF, ICC, ASCD]

Indicates the active mode from ICC or ASCD [conventional (fixed speed) cruise con-
trol mode].

SET DISP IND
[On/Off]

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

Monitored item

[Unit]

MAIN 

SIGNAL

Description

CCS

DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)

CCS-49

< SYSTEM DESCRIPTION >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

ACTIVE TEST

CAUTION:

• Never perform “Active Test” while driving the vehicle.
• The “Active Test” cannot be performed when the ICC system warning lamp is illuminated. 
• Shift the selector lever to “P” position, and then perform the test. 

METER LAMP

NOTE:
The test can be performed only when the engine is running. 

LDP SYSTEM ON
[On/Off]

Indicates [On/Off] status of LDP system.

LDW SYSTEM ON
[On/Off]

Indicates [On/Off] status of LDW system.

FCW SYSTEM ON
[On/Off]

Indicates [On/Off] status of FCW system.

DISTANCE
[m]

Indicates the distance from the vehicle ahead.

RELATIVE SPD
[m/s]

Indicates the relative speed of the vehicle ahead.

DCA ON SW
[On/Off]

×

NOTE:
The item is displayed, but it is not used.

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 dis-
played.

IBA SW
[On/Off]

Status [On/Off] judged from IBA OFF switch signal that ICC sensor integrated unit 
readout via ITS communication is displayed (Brake booster control unit transmits the 
IBA OFF switch signal via ITS communication).

DYNA ASIST SW
[On/Off]

Indicates [On/Off] status as judged from ICC steering switch signal (DCA switch sig-
nal) [ECM transmits ICC steering switch signal (DCA switch signal) through CAN 
communication].

APA TEMP
[

°

C]

The accelerator pedal actuator integrated motor temperature that the ICC sensor in-
tegrated unit readout via ITS communication is displayed (Accelerator pedal actuator 
transmits the integrated motor temperature via ITS communication).

APA PWR
[V]

Accelerator pedal actuator power supply voltage that the ICC sensor integrated unit 
readout via ITS communication is displayed (Accelerator pedal actuator transmits the 
power supply voltage via ITS communication).

Monitored item

[Unit]

MAIN 

SIGNAL

Description

Test item

Description

METER LAMP

The ICC system warning lamp, MAIN switch indicator, SET switch indicator and IBA OFF indicator 
lamp can be illuminated by ON/OFF operations as necessary.

DCA INDICATOR

The DCA system switch indicator can be illuminated by ON/OFF operations as necessary.

STOP LAMP

The ICC brake hold relay can be operated by ON/OFF operations as necessary, and the stop lamp 
can be illuminated.

BOOSTER SOL/V

The booster solenoid can be operated as necessary, and the brake can be operated.

ICC BUZZER

The ICC warning chime can sound by ON/OFF operations as necessary. 

ACCELERATOR PEDAL AC-
TUATOR

The accelerator pedal actuator can be operated as necessary.

CCS-50

< SYSTEM DESCRIPTION >

[ICC (FULL SPEED RANGE)]

DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)

DCA INDICATOR

NOTE:
The test can be performed only when the engine is running. 

STOP LAMP

BOOSTER SOL/V

NOTE:
The test can be performed only when the engine is running. 

NOTE:

Test item

Oper-

ation

Description

• MAIN switch indicator
• SET switch indicator
• ICC system warning lamp
• IBA OFF indicator lamp

METER LAMP

Off

Stops transmitting the signals below to end the test.
• Meter display signal
• ICC warning lamp signal
• IBA OFF indicator lamp signal

OFF

On

Transmits the following signals to the unified meter and A/C 
amp. via CAN communication. 
• Meter display signal
• ICC warning lamp signal
• IBA OFF indicator lamp signal

ON

Test item

Oper-

ation

Description

DCA system switch indicator

DCA INDICATOR

Off

Stops transmitting the DCA system switch indicator signal 
below to end the test.

OFF

On

Transmits the DCA system switch indicator signal to the uni-
fied meter and A/C amp. via CAN communication. 

ON

Test item

Oper-

ation

Description

Stop lamp

STOP LAMP

Off

Stops transmitting the ICC brake hold relay drive signal be-
low to end the test.

OFF

On

Transmits the ICC brake hold relay drive signal to the brake 
booster control unit via ITS communication. 

ON

Test item

Operation

Description

“PRESS SENS” value

BOOSTER SOL/V

MODE1

Transmits the brake fluid pressure command signal to 
the brake booster control unit via ITS communication.

10 bar

MODE2

20 bar

MODE3

30 bar

Test start

Starts the tests of “MODE1”, “MODE2” and “MODE3”. 

—

Reset

Stops transmitting the brake fluid pressure command sig-
nal below to end the test.

—

End

Returns to the “SELECT TEST ITEM” screen. 

—

CCS

DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)

CCS-51

< SYSTEM DESCRIPTION >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

The test is finished in 10 seconds after starting. 

ICC BUZZER

ACCELERATOR PEDAL ACTUATOR

CAUTION:

• Shift the selector lever to “P” position, and then perform the test. 
• Never depress the accelerator pedal excessively. (The engine speed may rise unexpectedly when

finishing the test.)

NOTE:
• Depress the accelerator pedal to check when performing the test. 
• The test can be performed only when the engine is running. 

NOTE:

PKIB1767J

Test item

Operation

Description

ICC warning chime operation 

sound

ICC BUZZER

MODE1

Transmits the buzzer output signal to the brake booster 
control unit via ITS communication. 

Intermittent beep sound

MODE2

Continuous beep sound

MODE3

Beep sound

Test start

Starts the tests of “MODE1”, “MODE2” and “MODE3”.

Reset

Stops transmitting the buzzer output signal below to end 
the test.

—

End

Returns to the “SELECT TEST ITEM” screen. 

Test item

Operation

Description

Accelerator pedal operation

ACCELERATOR 
PEDAL ACTUA-
TOR

MODE1

Transmit the accelerator pedal feedback force control signal 
to the accelerator pedal actuator via ITS communication. 

Constant with a force of 25 N 

for 8 seconds 

MODE2

Constant with a force of 15 N 

for 8 seconds 

MODE3

Change up to a force of 25 N for 

8 seconds

MODE4

Change up to a force of 15 N for 

8 seconds

Test start

Starts the tests of “MODE1”, “MODE2”, “MODE3”, and 
“MODE4”. 

—

Reset

Stops transmitting the accelerator pedal feedback force 
control signal below to end the test.

—

End

Returns to the “SELECT TEST ITEM” screen. 

—