Infiniti F50. Manual — part 16

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ACS-57

[ICC]

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TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

PFP:00004

Work Flow

EKS003RG

●

Reference 1··· Refer to

ACS-63, "Self-Diagnostic Function"

.

●

Reference 2··· Refer to

ACS-68, "Diagnostic Trouble Code (DTC) Chart"

.

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Reference 3··· Refer to

ACS-92, "Symptom Chart"

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●

Reference 4···Refer to

ACS-65, "SELF-DIAGNOSIS BY CONSULT-II WILL NOT RUN"

/

ACS-66, "SELF-

DIAGNOSIS BY ICC SYSTEM DISPLAY WILL NOT RUN."

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SKIA1227E

ACS-58

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

CONSULT-II Function

EKS003RH

DESCRIPTION

CONSULT-II executes following functions by combining data reception and command transmission via com-
munication line from ICC unit.

WORK SUPPORT
Work Item

Laser Beam Adjust

For details, refer to

ACS-39, "LASER BEAM AIMING ADJUSTMENT"

.

Cause of Auto-Cancel

1.

Turn ignition switch OFF.

2.

Connect CONSULT-II and CONSULT-ll CONVERTER to data link connector.

3.

Turn ignition switch ON.

4.

Touch “START” on the display.

5.

Touch “ICC” on the selection screen.
If “ICC” is not indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC) Circuit"

.

6.

Touch “WORK SUPPORT” on the selection screen.

7.

Touch “CAUSE OF AUTO-CANCEL” on the selection screen.

8.

Cause of automatic cancellation screen will be shown.

CAUTION:

Last five cancel (system cancel) causes are displayed.

Test mode

Function

WORK SUPPORT

●

Monitors aiming direction to facilitate laser beam aiming operation.

●

Indicates causes of automatic cancellation of the ICC system.

SELF-DIAGNOSTIC
RESULTS

Displays malfunctioning system memorized in ICC unit.

DATA MONITOR

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

ACTIVE TEST

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

ECU PART NUMBER

Displays part number of ICC unit.

Operation

Function

LASER BEAM ADJUST

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

CAUSE OF AUTO-CANCEL

Indicates causes of automatic cancellation of the ICC system.

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ACS-59

[ICC]

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ACS

Display Item List

SELF-DIAGNOSTIC RESULTS

For details, refer to

ACS-68, "Diagnostic Trouble Code (DTC) Chart"

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DATA MONITOR

1.

Turn ignition switch OFF.

2.

Connect CONSULT-II and CONSULT-ll CONVERTER to data link connector.

3.

Turn ignition switch ON.

4.

Touch “START” on the display.

5.

Touch “ICC” on the selection screen.
If “ICC” is not indicated, go to

GI-38, "CONSULT-II Data Link Connector (DLC) Circuit"

.

6.

Touch “DATA MONITOR” on the selection screen.

7.

Touch any of “ECU INPUT SIGNALS”, “MAIN SIGNALS”, “CAN DIAG SUPPORT MNTR”, and “SELEC-
TION FROM MENU” on selection screen.

8.

Touch “SETTING”.

9.

Display the data monitor.

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

Monitored Item

×

: Applicable

Cause of cancellation

Description

OPERATING WIPER

Windshield wipers were operated at HI or LO speed and the fastest position of inter-
mittent operation.

OPERATING ABS

ABS was operated.

OPERATING TCS

TCS was operated.

OPERATING VDC

VDC was operated.

OPE SW VOLT CIRC

Outside the standard control switch input voltage was detected.

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.

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

Power supply voltage became low.

NO RECORD

—

Monitored Item [unit]

MAIN SIG-

NALS

ECU

INPUT

SIGNALS

CAN DIAG
SUPPORT

MNTR

SELEC-

TION

FROM
MENU

Description

VHCL SPEED SE
[km/h] or [mph]

×

×

×

Indicates vehicle speed calculated from
wheel speed sensor signal.

SET VHCL SPD
[km/h] or [mph]

×

×

Indicates set vehicle speed memorized in
ICC unit.

THRTL SENSOR
[deg]

×

×

×

Indicates throttle angle calculated from sig-
nal voltage of throttle position sensor.

VACUUM PUMP
[msec]

×

×

Indicates vacuum pump driving pulse width

AIR VALVE
[msec]

×

×

Indicates air valve driving pulse width

ACS-60

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ENGINE RPM
[rpm]

×

×

Indicates engine speed read by ICC unit
via CAN communication (ECM transmits
engine speed via CAN communication).

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
control switch signal.

SET/COAST SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from
control switch signal.

CANCEL SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from
control switch signal.

RESUME/ACC SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from
control switch signal.

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.

STOP LAMP SW
[ON/OFF]

×

×

×

Indicates [ON/OFF] status as judged from
stop lamp switch signal.

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.
OFF when brake is depressed.
ON when brake is not depressed.

IDLE SW
[ON/OFF]

×

×

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

GEAR
[1, 2, 3, 4, 5]

×

×

Indicates AT gear position read by ICC unit
via CAN communication (TCM transmits
gear position via CAN communication).

CRUISE SIGNAL
[ON/OFF]

×

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

BUZZER O/P
(ON/OFF)

×

Indicates [ON/OFF] status of ICC war out-
put.

ICC WARNING
[ON/OFF]

×

Indicates [ON/OFF] status of ICC system
warning lamp.

VHCL SPD AT
[km/h] or [mph]

×

Indicates vehicle speed calculated from AT
vehicle speed sensor by ICC unit via CAN
communication (TCM transmits AT vehicle
speed sensor signal via CAN communica-
tion).

PRESS SENS
[bar]

×

×

×

Indicates brake fluid pressure value calcu-
lated from signal voltage of pressure sen-
sor.

Monitored Item [unit]

MAIN SIG-

NALS

ECU

INPUT

SIGNALS

CAN DIAG
SUPPORT

MNTR

SELEC-

TION

FROM
MENU

Description