Infiniti F50. Manual - part 17

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ACS-61

[ICC]

C

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ACS

ACTIVE TEST
Caution

●

Do not perform the active test while driving.

●

Active test cannot be started while ICC system warning indicator illuminates.

1.

Turn ignition switch OFF.

2.

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

D RANGE SW
[ON/OFF]

×

×

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

AT OD OFF
[ON/OFF]

×

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

NP RANGE SW
(ON /OFF)

×

×

Indicates PNP switch signal read by ICC 
unit via CAN communication. TCM trans-
mits PNP switch signal via CAN communi-
cation.

STP LMP DRIVE
[ON/OFF]

×

×

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

CAN CIRC 1
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 2
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 3
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 4
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 5
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 6
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 7
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 8
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 9
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 10
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 11
[OK/UNKWN] 

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

CAN CIRC 12
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 13
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 14
[OK/UNKWN] 

×

UNKWN fixed display

CAN CIRC 15
 [OK/UNKWN] 

×

UNKWN fixed display

CAN COMM [OK/NG]

×

Indicates [OK/UNKWN] status of CAN com-
munication signal.

Monitored Item [unit]

MAIN SIG-

NALS

ECU 

INPUT 

SIGNALS

CAN DIAG 
SUPPORT 

MNTR

SELEC-

TION 

FROM 
MENU

Description

ACS-62

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

3.

Touch “START”, “ICC”, and “ACTIVE TEST” on CONSULT-II display in turn.
If “ICC” is not indicated, go to 

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

 .

4.

Touch necessary test item.

5.

Touch “START”.

6.

Active test screen will be shown.

ICC Buzzer 1

●

Touch “ON” and “OFF” to check that ICC warning chime oper-
ates as in the following chart.

ICC Warning Lamp

●

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

Meter Lamp

●

Start engine.

●

Touch “ON” and “OFF” to check that ICC system display oper-
ates as in the following chart.

Stop Lamp

●

Touch “ON” and “OFF” to check that stop lamp operates as in
the following chart.

BUZZER O/P

ON

OFF

Buzzer sound

Beep

Not activated

SKIA1228E

ICC WARNING LAMP

ON

OFF

ICC system warning 
lamp (Orange)

Lamp ON

Lamp OFF

SKIA1229E

METER LAMP

ON

OFF

ICC system display

Full illumination

OFF

SKIA1231E

STP LMP DRIVE

ON

OFF

Stop lamp

Lamp ON

Lamp OFF

SKIA1232E

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

ACS-63

[ICC]

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ACS

Booster SOL/V 3

●

Touch any of “MODE 1”, “MODE 2”, “MODE 3” to check that fol-
lowing operation condition is caused by operating monitor and
brake pedal.

●

“START” is displayed 10 seconds after operation start. (Active
test is completed.) 

Self-Diagnostic Function

EKS003RI

WITH CONSULT-II

1.

Go to operation check after asking the customer for symptom information. Refer to 

ACS-37, "ACTION

TEST"

 .

2.

Stop vehicle, turn ignition switch OFF, then connect CONSULT-II and CONSULT-ll CONVERTER to data
link connector.

3.

With engine started, touch “START”, “ICC”, “SELF-DIAG RESULTS” on CONSULT-II screen in this order.

CAUTION:

If “ICC” cannot be shown after several attempts, the ICC unit may have had malfunction. Repair or
replace it. Refer to 

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

 .

4.

Self-diagnostic result appears on screen. If “NO DTC ···” is shown, check ICC warning lamp. If any mal-
function is indicated, GO TO step 5.

5.

According to 

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

 , perform appropriate check, and repair or

replace malfunctioning part as necessary.

6.

Turn ignition switch OFF.

7.

Start engine and touch “START”, “ICC”, “SELF-DIAG RESULT”, and “ERASE” on CONSULT-II display in
turn to erase the memory.

CAUTION:

If the memory does not erase, go to 5.
8.

Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC warning
lamp does not illuminate.

WITHOUT CONSULT-II

1.

Go to operation check after asking the customer for symptom information. Refer to 

ACS-37, "ACTION

TEST"

 .

2.

Stop the vehicle to start the self-diagnosis.

3.

Turn ignition switch OFF.

SKIA1233E

PKIA0363J

ACS-64

[ICC]

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

4.

Turn ignition switch ON, and within 5 to 10 seconds, press
ACCELERATE/RESUME switch 5 times. Then press COAST/
SET switch 5 times to start self-diagnosis.

CAUTION:

●

Do not start the engine.

●

Do not turn the ON/OFF switch ON.

●

When operation above is not completed within 5 to 10 sec-
onds, start again from above go to 3.

●

If self-diagnosis mode cannot be start after several
attempts, the ICC unit may have had malfunction. Repair or
replace it. Refer to 

ACS-66, "SELF-DIAGNOSIS BY ICC SYS-

TEM DISPLAY WILL NOT RUN."

 .

5.

When self-diagnosis mode is started, DTCs are shown on set vehicle speed indicator.

CAUTION:

●

DTCs will disappear after 5 minutes.

●

When more than one malfunctions are detected, a maximum of 3 code numbers can be stored; the
latest malfunction will be displayed first.

6.

Check 

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

 , and repair or replace if necessary.

7.

After repair, erase DTCs stored in the ICC unit.

8.

DTC 55 will be shown.

9.

Turn ignition switch OFF to exit the diagnosis.

10. Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC warning

lamp does not illuminate.

Self-Diagnostic Erasing Method

1.

Stop the vehicle and turn the ignition switch OFF.

2.

Turn ignition switch ON and start self-diagnosis.

3.

During self-diagnosis mode, press CANCEL switch 5 times, and DISTANCE switch 5 times in this order.

CAUTION:

●

Press them within 10 seconds after pressing CANCEL switch at first.

●

When operation is not completed within 10 seconds, start again from above go to 2.

4.

DTC 55 will be shown.

CAUTION:

DTCs of an existing malfunction will not be erased.

5.

Turn ignition switch OFF to exit the diagnosis.

SKIA1235E

SKIA1236E