Infiniti M45 (Y34). Manual - part 16

TERMINALS AND REFERENCE VALUE

ACS-57

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

Terminals and Reference Value for ICC Radar Sensor

AKS002Q8

Terminals and Reference Value for ICC Warning Chime

AKS002Q9

72

(L/R)

Ground

Vacuum motor signal

ON

When motor is not driving

Power supply voltage (Approx. 

12)

When motor is driving

Approx. 0

TERMINALS

(WIRE COLOR)

ITEM

CONDITION

VOLTAGE (V)

+

-

IGNI-
TION 

SWITCH

OPERATION

TERMINALS

(WIRE COLOR)

ITEM

CONDITION

VOLTAGE (V)

+

–

IGNI-
TION 

SWITCH

OPERATION

1

(Y/R)

Ground

Laser radar sensor 

power

ON

—

Battery voltage (Approx.12)

3

(L)

CAN H

ON

—

—

6

(R)

CAN L 

ON

—

—

4(B)

Ground

ON

—

Approx. 0

TERMI-

NALS

(WIRE 

COLOR)

ITEM

CONDITION

VOLTAGE(V)

IGNI-
TION 

SWITCH

OPERATION

1

(BR/W)

Ignition switch ON or 

START

ON

—

Power supply voltage (Approx. 

12)

2

(Y)

ICC warning signal

ON

Chime output OFF

Approx. 12

Chime output ON

Approx. 0 - 12

ACS-58

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

PFP:00004

Work Flow

AKS002QA

●

Reference 1··· Refer to 

ACS-63, "Self-Diagnostic Function"

 .

●

Reference 2··· Refer to 

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

 .

●

Reference 3··· Refer to 

ACS-92, "Symptom Chart"

 .

●

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"

 .

SKIA1227E

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ACS-59

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

CONSULT-II Function

AKS002QB

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-40, "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.

CAN DIAG SUPPORT MNTR

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

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.

ACS-60

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Display Item List

SELF-DIAGNOSTIC RESULTS

For details, refer to 

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

 .

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”, and “SELECTION 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 intermittent 
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

SELEC-

TION 

FROM 
MENU

Description

VHCL SPEED SE
[km/h] or [mph]

×

×

×

Indicates vehicle speed calculated from wheel speed sen-
sor signal.

SET VHCL SPD
[km/h] or [mph]

×

×

Indicates set vehicle speed memorized in ICC unit.

THRTL SENSOR
[deg]

×

×

×

Indicates throttle angle calculated from signal voltage of 
throttle position sensor.

VACUUM PUMP
[msec]

×

×

Indicates vacuum pump driving pulse width

AIR VALVE
[msec]

×

×

Indicates air valve driving pulse width