Infiniti M45 (Y34). Manual — part 17
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ACS-61
[ICC]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
ENGINE RPM
[rpm]
×
×
Indicates engine speed read by ICC unit via CAN communi-
cation (ECM transmits engine speed via CAN communica-
tion).
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 “control-
ling”).
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 com-
munication (TCM transmits gear position via CAN commu-
nication).
CRUISE SIGNAL
[ON/OFF]
×
Indicates whether controlling or not (ON means “control-
ling”).
BUZZER O/P
(ON/OFF)
×
Indicates [ON/OFF] status of ICC war output.
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 communication).
PRESS SENS
[bar]
×
×
×
Indicates brake fluid pressure value calculated from signal
voltage of pressure sensor.
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 con-
trol.
Monitored Item [unit]
MAIN SIG-
NALS
ECU
INPUT
SIGNALS
SELEC-
TION
FROM
MENU
Description
ACS-62
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
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.
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.
NP RANGE SW
(ON /OFF)
×
×
Indicates PNP switch signal read by ICC unit via CAN com-
munication. TCM transmits PNP switch signal via CAN
communication.
STP LMP DRIVE
[ON/OFF]
×
×
Indicates [ON/OFF] status of brake hold relay drive output.
Monitored Item [unit]
MAIN SIG-
NALS
ECU
INPUT
SIGNALS
SELEC-
TION
FROM
MENU
Description
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
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ACS-63
[ICC]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
●
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.
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
AKS002QC
WITH CONSULT-II
1.
Go to operation check after asking the customer for symptom information. Refer to
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.
METER LAMP
ON
OFF
ICC system display
Full illumination
OFF
SKIA1231E
STP LMP DRIVE
ON
OFF
Stop lamp
Lamp ON
Lamp OFF
SKIA1232E
SKIA1233E
PKIA0363J
ACS-64
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
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
2.
Stop the vehicle to start the self-diagnosis.
3.
Turn ignition switch OFF.
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-
5.
When self-diagnosis mode is started, DTCs are shown on set vehicle speed indicator.
CAUTION:
●
DTCs will disappear after 5 minutes.
SKIA1235E
SKIA1236E
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