Infiniti Q45. Manual - part 10

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

ACS-33

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

CONSULT-II Function (ICC)

NKS001KC

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.

CONSULT-II BASIC OPERATION

Refer to 

GI-36, "CONSULT-II Start Procedure"

 .

WORK SUPPORT
Work Item

Cause of Auto-Cancel

1.

Touch “WORK SUPPORT” on the “SELECT DIAG MODE”
screen. Refer to 

ACS-33, "CONSULT-II BASIC OPERATION"

 .

2.

Touch “CAUSE OF AUTO-CANCEL” on the “SELECT WORK
ITEM” screen.

3.

Cause of automatic cancellation screen will be shown.

NOTE:
Last five cancels (system cancel) causes are displayed.

Test mode

Function

Reference page

WORK SUPPORT

●

Monitors aiming direction to facilitate laser beam aiming operation.

●

Indicates causes of automatic cancellation of the ICC system.

ACS-33

SELF-DIAG RESULTS

Displays malfunctioning system memorized in ICC unit.

ACS-34

DATA MONITOR

Displays real-time input/output data of ICC unit.

ACS-34

CAN DIAG SUPPORT MNTR

The results of transmit/receive diagnosis of CAN communication can be read.

LAN-29

ACTIVE TEST

Enables operation check of electrical loads by sending driving signal to them.

ACS-36

ECU PART NUMBER

Displays part number of ICC unit.

—

Operation

Function

CAUSE OF AUTO-CANCEL

Indicates causes of automatic cancellation of the ICC system.

LASER BEAM ADJUST

Outputs laser beam, calculates dislocation of the beam, and indicates adjustment direction.

SKIA6191E

ACS-34

[ICC]

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

Display Item List

Laser Beam Adjust

For details, refer to 

ACS-14, "LASER BEAM AIMING ADJUSTMENT"

 .

SELF-DIAG RESULTS

For details, refer to 

ACS-43, "Diagnostic Trouble Code (DTC) Chart"

 .

DATA MONITOR
Operation Procedure

1.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
Refer to 

ACS-33, "CONSULT-II BASIC OPERATION"

 .

2.

Touch any of “ECU INPUT SIGNALS”, “MAIN SIGNALS” and
“SELECTION FROM MENU” on “SELECT MONITOR ITEM”
screen.

3.

Touch “START”.

4.

Display the data monitor.

5.

If necessary, touch “COPY” in turn, and print data.

Monitored Item

×

: Applicable

Cause of cancellation

Description

OPERATING WIPER

Windshield wipers were operated at HI or LO speed operation. (Or at INT according to 
the windshield wipers speed.)

OPERATING ABS

ABS function was operated.

OPERATING TCS

TCS function was operated.

OPERATING VDC

VDC function was operated.

OPE SW VOLT CIRC

Outside the standard control switch input voltage was detected.

ECM CIRCUIT

ECM did not permit ICC operation.

LASER SUN BEAM

Intense light such as sunlight entered ICC sensor light sensing part.

LASER TEMP

Temperature around ICC sensor became low.

OP SW DOUBLE TOUCH

ICC steering switches were pressed at the same time.

WHL SPD ELEC NOISE

Wheel speed sensor signal caught electromagnetic noise.

VDC/TCS OFF SW

VDC OFF switch was pressed.

WHEEL SPD UNMATCH

Wheel speed became different from AT vehicle speed.

TIRE SLIP

Wheel slipped.

PKB SW ON

Parking brake is applied.

IGN LOW VOLT

ICC unit power supply voltage became low.

NO RECORD

—

PKIB0112E

Monitored Item [unit]

ECU INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION FROM 

MENU

Description

VHCL SPEED SE
[km/h] or [mph]

×

×

×

Indicates vehicle speed calculated from wheel sensor by ICC 
unit through CAN communication (VDC/TCS/ABS control unit 
transmits wheel speed sensor signal through CAN communica-
tion).

SET VHCL SPD
[km/h] or [mph]

×

×

Indicates set vehicle speed memorized in ICC unit.

THRTL OPENING
[%]

×

×

×

Indicates throttle angle read by ICC unit through CAN communi-
cation (ECM transmits throttle angle through CAN communica-
tion).

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

ACS-35

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

ENGINE RPM
[rpm]

×

×

Indicates engine speed read by ICC unit through CAN commu-
nication (ECM transmits engine speed through CAN communi-
cation).

DISTANCE ADJ
[SHOR/MID/LONG]

×

×

×

Indicates set distance memorized in ICC unit.

WIPER SW
[OFF/LOW/HIGH]

×

×

Indicates wiper [OFF/LOW/HIGH] status.

MAIN SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from steering switch signal 
(ECM transmits steering switch signal through CAN communi-
cation).

SET/COAST SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from steering switch signal 
(ECM transmits steering switch signal through CAN communi-
cation).

CANCEL SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from steering switch signal 
(ECM transmits steering switch signal through CAN communi-
cation).

RESUME/ACC SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from steering switch signal 
(ECM transmits steering switch signal through CAN communi-
cation).

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 sig-
nal.

STOP LAMP SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from stop lamp switch sig-
nal.

RELEASE SW NO
[ON/OFF]

×

×

Indicates [ON/OFF] status as judged from release switch signal.
ON when brake is depressed.
OFF when brake is not depressed.

RELEASE SW NC
[ON/OFF]

×

×

Indicates [ON/OFF] status as judged from release switch signal.
ON when brake is not depressed.
OFF when brake is depressed.

IDLE SW
[ON/OFF]

×

×

Indicates [ON/OFF] status of idle switch read by ICC unit 
through CAN communication (ECM transmits ON/OFF status 
through CAN communication).

GEAR
[1, 2, 3, 4, 5]

×

×

Indicates AT gear position read by ICC unit through CAN com-
munication (TCM transmits gear position through CAN commu-
nication).

BUZZER O/P
[ON/OFF] 

×

Indicates [ON/OFF] status of ICC warning chime output.

ICC WARNING

×

NOTE:
This item is displayed, but cannot monitoring.

VHCL SPD AT
[km/h] or [mph]

×

Indicates vehicle speed calculated from AT vehicle speed sen-
sor by ICC unit through CAN communication (TCM transmits AT 
vehicle speed sensor signal through CAN communication).

PRESS SENS
[bar]

×

×

×

Indicates brake fluid pressure value calculated from signal volt-
age of pressure sensor.

PRESS SENS 2

×

×

NOTE:
This item is displayed, but cannot monitoring.

D RANGE SW
[ON/OFF]

×

×

Indicates [ON/OFF] status of “D” position read by ICC unit 
through CAN communication (TCM transmits ON/OFF condition 
of “D” position through CAN communication).

AT OD OFF
[ON/OFF]

×

Indicates [ON/OFF] status of OD cancel output under control.

Monitored Item [unit]

ECU INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION FROM 

MENU

Description

ACS-36

[ICC]

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

ACTIVE TEST

CAUTION:

●

Never perform the active test while driving.

●

“ACTIVE TEST” cannot be started while ICC system warning lamp illuminates.

1.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen. Refer to 

ACS-33, "CONSULT-II BASIC OPER-

ATION"

 .

2.

Touch any of “ICC BUZZER 1”, “METER LAMP”, “STOP LAMP”
and “BOOSTER SOL/V 3” on "SELECT TEST ITEM" screen.

3.

Touch necessary item and “START”.

4.

“ACTIVE TEST” screen will be shown.

ICC BUZZER 1

Touch “ON” and “OFF” to check if ICC warning chime operates as in
the following chart.

METER LAMP

●

Start engine.

NP RANGE SW
[ON/OFF]

×

×

Indicates PNP switch signal read by ICC unit through CAN com-
munication (TCM transmits PNP switch signal through CAN 
communication).

DISTANCE

×

NOTE:
This item is displayed, but cannot monitoring.

RELATIVE SPD

×

NOTE:
This item is displayed, but cannot monitoring.

STP LMP DRIVE
[ON/OFF]

×

×

Indicates [ON/OFF] status of brake hold relay drive output.

TURN SIGNAL
[OFF/LH/RH LH/RH]

×

×

Indicates turn signal [OFF/LH/RH LH/RH] status.

Monitored Item [unit]

ECU INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION FROM 

MENU

Description

SKIA6195E

BUZZER O/P

ON

OFF

Buzzer sound

Beep

Not activated

SKIA1228E