Infiniti Q45. Manual — part 18
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-65
[ICC]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
DTC 97 AT CIRCUIT
NKS001KU
1.
CHECK A/T CIRCUIT
With CONSULT-II
With TCM diagnosis, check if shift operates normally. Refer to
AT-107, "DTC P0705 PARK/NEUTRAL POSI-
OK or NG
OK
>> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG
>> 1. Perform TCM self-diagnosis.
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 98 GEAR POSITION
NKS001KV
1.
PERFORM ICC UNIT SELF-DIAGNOSIS
With CONSULT-II
1.
Perform self-diagnosis.
2.
Check if “DTC 43 ABS/TCS/VDC CIRC” or “DTC 41 VHCL SPEED SE CIRC” other than “DTC 98 GEAR
POSITION” is indicated in self-diagnosis item in the display.
Is any indicated?
YES
>> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO
>> GO TO 2.
2.
CHECK VEHICLE SPEED SIGNAL
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “VHCL SPEED SE” is normal.
OK or NG
OK
>> GO TO 3.
NG
>> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.
CHECK SHIFT GEAR POSITION
Check that gear positions are correct in A/T.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
CHECK TCM GEAR POSITION SIGNAL
With CONSULT-II
With TCM “DATA MONITOR” with CONSULT-II, check if gear positions are correct.
OK or NG
OK
>> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG
>> 1. Perform TCM self-diagnosis.
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
ACS-66
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
5.
CHECK TCM TURBINE ROTATION
With CONSULT-II
With TCM diagnosis, check if turbine rpm is normal. Refer to
AT-111, "DTC P0717 TURBINE REVOLUTION
OK or NG
OK
>> 1. Replace ICC unit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG
>> 1. Perform TCM self-diagnosis.
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 102 RADAR STAIN
NKS001KW
1.
VISUAL INSPECTION 1
Check if there is no contamination and foreign material on ICC sensor body window.
OK or NG
OK
>> GO TO 2.
NG
>> 1. If any, remove them.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
2.
VISUAL INSPECTION 2
Check ICC sensor body window for cracks.
OK or NG
OK
>> GO TO 3.
NG
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3.
ASKING COMPLAINTS
1.
Ask if there is any trace of contamination or foreign material on ICC sensor.
2.
Ask if vehicle was driven in snow or ICC sensor was frosted.
3.
Ask if ICC sensor was fogged temporarily. (Front window glass may have also tended to be fogged.)
Is there any symptom?
YES
>> Explain difference in displays between contamination detection result and current indication to
customer, and tell them “This is not malfunction”.
NO
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 103 LASER SENSOR FAIL
NKS001KX
1.
PERFORM ICC UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other than “DTC 103 LASER
SENSOR FAIL” is indicated in self-diagnosis item in the display.
Is any indicated?
YES
>> GO TO APPLICABLE ITEM INSPECTION. Refer to
, and
ACS-45, "DTC 20 CAN COMM CIRCUIT"
NO
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-67
[ICC]
C
D
E
F
G
H
I
J
L
M
A
B
ACS
DTC 104 LASER AIMING INCMP
NKS001KY
1.
ADJUST LASER BEAM AIMING
1.
Adjust laser beam aiming. Erase DTC and perform ICC system running test.
2.
After that, perform self-diagnosis of ICC system.
3.
Check if “DTC 104 LASER AIMING INCMP” is indicated.
Is it indicated?
YES
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO
>> INSPECTION END
DTC 107 LASER COMM FAIL
NKS001KZ
1.
PERFORM ICC UNIT SELF-DIAGNOSIS
1.
Perform self-diagnosis.
2.
Check if “DTC 11 CONTROL UNIT” or “DTC 20 CAN COMM CIRCUIT” item other than “DTC 107 LASER
COMM FAIL” is indicated in the self-diagnosis item in the display.
Is any indicated?
YES
>> GO TO APPLICABLE ITEM INSPECTION. Refer to
, and
ACS-45, "DTC 20 CAN COMM CIRCUIT"
.
NO
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 109 LASER HIGH TEMP
NKS001L0
1.
CHECK SYMPTOM
Check if cooling system malfunctions. Refer to
Does it malfunction?
YES
>> 1. Repair cooling system.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO
>> 1. Replace ICC sensor, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
ACS-68
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
TROUBLE DIAGNOSIS FOR SYMPTOMS
PFP:00007
Symptom Chart
NKS001L1
Symptoms
Reference page
Operation
MAIN switch does not turn ON.
Symptom 1
MAIN switch does not turn OFF.
Symptom 1
Cruise does not function for setting (powering functions).
Symptom 2
CANCEL switch does not function.
Symptom 3
Resume does not function.
Symptom 3
Set speed does not increase.
Symptom 3
Set distance to the vehicle ahead cannot be changed.
Symptom 3
ICC is not cancelled when the A/T selector lever is in other
than “D” and “M” position.
Symptom 4
Display/Chime
ICC system display does not appear.
Check combination meter. Refer to
DI-22, "ICC System Display Does
Chime does not sound.
Symptom 5
Chime does not stop.
Symptom 6
Control
Driving force is hunting.
Symptom 7
Function to detect the vehicle
ahead
System frequently cannot detect the vehicle ahead.
Symptom 8
Distance to detect the vehicle ahead is short.
Symptom 8
System misidentifies a vehicle even though there is no vehi-
cle ahead.
●
Refer to
●
Refer to
System misidentifies a vehicle in the next lane.
●
Refer to
●
Refer to
System does not detect a vehicle at all.
Symptom 9
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