Infiniti M35/M45 Y50. Manual - part 17

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

ACS-61

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

DTC 100 CAN COMM CIRCUIT

NKS004DH

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

 With CONSULT-II

1.

Perform self-diagnosis.

2.

Print self-diagnostic result.

>> After printing self-diagnostic result, go to “CAN system”. Refer to 

LAN-42, "Precautions When

Using CONSULT-II"

 .

DTC 110 CONTROL UNIT (CAN)

NKS004DI

1. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

 With CONSULT-II

1.

Perform self-diagnosis.

2.

Print self-diagnostic result.

3.

Erase DTC and perform ICC running test. Then perform self-diagnosis of ICC system again.

4.

Check if “CONTROL UNIT (CAN) [U1010]” (DTC 110) is indicated in self-diagnosis item in the display.

Is malfunction indicated?

YES

>> 1. Replace ICC sensor integrated unit, 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

ACS-62

[ICC]

TROUBLE DIAGNOSIS FOR SYMPTOMS

TROUBLE DIAGNOSIS FOR SYMPTOMS

PFP:00007

Symptom Chart

NKS004DJ

Symptoms

Reference page

Operation

MAIN switch does not switch ON.

Symptom 1 

ACS-63

MAIN switch does not switch OFF.

Symptom 1 

ACS-63

Cruise does not function for setting (powering functions).

Symptom 2

ACS-64

CANCEL switch does not function.

Symptom 3 

ACS-65

Resume does not function.

Symptom 3 

ACS-65

Set speed does not increase.

Symptom 3 

ACS-65

Set distance to the vehicle ahead cannot be changed.

Symptom 3 

ACS-65

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

Symptom 4 

ACS-65

Display/Chime

Dot matrix LCD does not appear.

Check combination meter. Refer to 

DI-18, 

"Trouble Diagnosis"

 .

Chime does not function.

Symptom 5 

ACS-66

Control

Driving force is hunting.

Symptom 6 

ACS-67

Function to detect 
the vehicle ahead

System frequently cannot detect the vehicle ahead.

Symptom 7 

ACS-67

Distance to detect the vehicle ahead is short.

Symptom 7 

ACS-67

System misidentifies a vehicle even though there is no vehicle 
ahead.

●

Refer to 

ACS-15, "LASER BEAM AIMING 

ADJUSTMENT"

 .

●

Refer to 

ACS-12, "ICC System Running 

Test"

 .

System misidentifies a vehicle in the next lane.

●

Refer to 

ACS-15, "LASER BEAM AIMING 

ADJUSTMENT"

 .

●

Refer to 

ACS-12, "ICC System Running 

Test"

 .

System does not detect a vehicle at all.

Symptom 8 

ACS-68

TROUBLE DIAGNOSIS FOR SYMPTOMS

ACS-63

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

Symptom 1: MAIN Switch Does Not Turn ON

*1

 , MAIN Switch Does Not Turn 

OFF

*2

NKS004DK

NOTE:

●

*1: The MAIN switch indicator lamp in the combination meter does not illuminate. 

●

*2: The MAIN switch indicator lamp in the combination meter remains powered.

1. 

CHECK MAIN SWITCH

With CONSULT-II

With “ICC” “DATA MONITOR”, check if “MAIN SW” and “CRUISE LAMP” operate normally.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 4.

2. 

CHECK UNIFIED METER AND A/C AMP.

With CONSULT-II

With “METER A/C AMP” “DATA MONITOR”, check if “CRUISE IND” operates normally.

OK or NG

OK

>> 1. Perform “METER A/C AMP”self-diagnosis. Refer to

DI-18, "CONSULT-II Function (METER A/C

AMP)"

 .

2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.

Then perform self-diagnosis of ICC system again.

NG

>> GO TO 3.

3. 

CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT

1.

Turn ignition switch OFF.

2.

Disconnect ICC sensor integrated unit connector, and connect it securely again.

3.

Check if the malfunction is improved.

Is it improved?

YES

>> Poor connector connection

1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-

minals. If any malfunction is detected, repair applicable part.)

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> GO TO 4.

4. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

With CONSULT-II

1.

Perform self-diagnosis. 

2.

Check if “DTC 100 CAN COMM CIRCUIT” is indicated.

Is it indicated?

YES

>> CAN communication inspection. Refer to 

ACS-61, "DTC 100 CAN COMM CIRCUIT"

 .

NO

>> ICC steering switch inspection. Refer to 

ACS-48, "DTC 6 OPERATION SW CIRC"

 .

ACS-64

[ICC]

TROUBLE DIAGNOSIS FOR SYMPTOMS

Symptom 2: ICC System Cannot Be Set (MAIN Switch Turns ON/OFF)

NKS004DL

The ICC system cannot be set in the following cases.

●

When the vehicle speed is not in range of approx. 25 MPH (40 km/h) to 90 MPH (144 km/h).

●

When the A/T selector lever is in “N”.

●

When A/T mode switch is at the snow mode position.

●

While the brake is in operation.

●

When wiper switch is at LOW/HI position.

1. 

CHECK CAUSE OF AUTOMATIC CANCELLATION

 With CONSULT-II

With “CAUSE OF AUTO-CANCEL” in “WORK SUPPORT” at “ICC”, check if any cause of cancellation is
found.

Is any cause found?

YES

>> Cancel with appropriate cause, and go to specified diagnosis.

●

“OPE SW VOLT CIRC”: Refer to 

ACS-48, "DTC 6 OPERATION SW CIRC"

 .

●

“VHCL SPD UNMATCH”: Refer to 

ACS-43, "DTC 3 VHCL SPEED SE CIRC"

 .

●

“IGN LOW VOLT”: Refer to 

ACS-42, "DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUPPLY

CIR 2"

 .          

●

“ECM CIRCUIT”: Refer to 

ACS-56, "DTC 14 ECM CIRCUIT"

 .

NO

>> GO TO 2.

2. 

PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS

 With CONSULT-II

Perform self-diagnosis to check for malfunctioning items.

Is malfunction indicated?

YES

>> 1. Repair or replace applicable item. Refer to 

ACS-40, "Diagnostic Trouble Code (DTC) Chart"

 .

2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NO

>> GO TO 3.

3. 

CHECK SWITCHES AND VEHICLE SPEED SIGNAL

 With CONSULT-II

With “ICC” “DATA MONITOR”, check if switches and vehicle speed signal operate normally. Refer to 

ACS-31,

"DATA MONITOR"

 .

●

VHCL SPEED SE 

●

D RANGE SW

●

BRAKE SW                  

●

SET/COAST SW

OK or NG

OK

>> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.

2. Erase DTC and Perform ICC system running test. Then perform self-diagnosis of ICC system

again.

NG

>> Check items which do not function normally.

●

VHCL SPEED SE. Refer to 

ACS-43, "DTC 3 VHCL SPEED SE CIRC"

 .

●

D RANGE SW. Refer to 

ACS-65, "Symptom 4: ICC System Is Not Cancelled When the A/T

Selector Lever Is In Other Than “D” and “M”"

 .

●

BRAKE SW. Refer to 

ACS-44, "DTC 5 BRAKE SW/STOP L SW"

 .

●

SET/COAST SW. Refer to 

ACS-48, "DTC 6 OPERATION SW CIRC"

 .