Infiniti Q45. Manual - part 18

 

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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-

TION SWITCH"

 .

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

SENSOR"

 .

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 

ACS-44, "DTC 11 CONTROL UNIT"

 , 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 

ACS-44, "DTC 11 CONTROL UNIT"

 , 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 

CO-6, "COOLING SYSTEM"

 .

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

ACS-69

MAIN switch does not turn OFF.

Symptom 1 

ACS-69

Cruise does not function for setting (powering functions).

Symptom 2

ACS-69

CANCEL switch does not function.

Symptom 3 

ACS-70

Resume does not function.

Symptom 3 

ACS-70

Set speed does not increase.

Symptom 3 

ACS-70

Set distance to the vehicle ahead cannot be changed.

Symptom 3 

ACS-70

ICC is not cancelled when the A/T selector lever is in other 
than “D” and “M” position.

Symptom 4 

ACS-71

Display/Chime

ICC system display does not appear.

Check combination meter. Refer to 

DI-22, "ICC System Display Does 

Not Illuminate"

 .

Chime does not sound.

Symptom 5 

ACS-71

Chime does not stop.

Symptom 6 

ACS-75

Control

Driving force is hunting.

Symptom 7 

ACS-75

Function to detect the vehicle 
ahead

System frequently cannot detect the vehicle ahead.

Symptom 8 

ACS-75

Distance to detect the vehicle ahead is short.

Symptom 8 

ACS-75

System misidentifies a vehicle even though there is no vehi-
cle ahead.

Refer to 

ACS-14, "LASER BEAM 

AIMING ADJUSTMENT"

 .

Refer to 

ACS-11, "ICC System 

Running Test"

 .

System misidentifies a vehicle in the next lane.

Refer to 

ACS-14, "LASER BEAM 

AIMING ADJUSTMENT"

 .

Refer to 

ACS-11, "ICC System 

Running Test"

 .

System does not detect a vehicle at all.

Symptom 9 

ACS-76

 

 

 

 

 

 

 

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