Infiniti QX56 (Z62). Manual — part 225

CCS

CHIME DOES NOT SOUND

CCS-167

< SYMPTOM DIAGNOSIS >

[ICC]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

8.

CHECK ICC SYSTEM

1.

Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to

CCS-77, "Description"

for action test.)

2.

Check that the ICC system is normal.

>> INSPECTION END

CCS-168

< SYMPTOM DIAGNOSIS >

[ICC]

DRIVING FORCE IS HUNTING

DRIVING FORCE IS HUNTING

Description

INFOID:0000000006224451

The vehicle causes hunting when the ICC system is active.

Diagnosis Procedure

INFOID:0000000006224452

1.

PERFORM SELF-DIAGNOSIS OF ECM

1.

Perform “All DTC Reading” with CONSULT-III.

2.

Check if the DTC is detected in self-diagnosis results of “ENGINE”. Refer to

EC-98, "DTC Index"

.

Is any DTC detected?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK ICC SENSOR BODY WINDOW

1.

Check the vehicle driving conditions. Refer to

CCS-169, "Description"

.

2.

Check the ICC sensor body window for contamination, foreign materials, or cracks. Refer to

CCS-169,

"Diagnosis Procedure"

.

>> INSPECTION END

3.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts identified by the self-diagnosis result.

>> GO TO 4.

4.

CHECK ICC SYSTEM

1.

Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to

CCS-77, "Description"

for action test.)

2.

Check that the ICC system is normal.

>> INSPECTION END

CCS

FREQUENTLY CANNOT DETECT THE VEHICLE AHEAD / DETECTION ZONE IS

SHORT

CCS-169

< SYMPTOM DIAGNOSIS >

[ICC]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

FREQUENTLY CANNOT DETECT THE VEHICLE AHEAD / DETECTION
ZONE IS SHORT

Description

INFOID:0000000006224453

The detection function may become unstable in the following cases.
• When the reflector of the vehicle ahead is deficient/ not clean enough to reflect ICC sensor.
• When driving a road with extremely sharp corners.
• When the sensor cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or

passing the peak.

Diagnosis Procedure

INFOID:0000000006224454

1.

VISUAL CHECK (1)

Check ICC sensor body window for contamination and/or foreign materials.
Do foreign materials adhere?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

WIPE OUT DIRT AND FOREIGN MATERIALS

Wipe out the contamination and/or foreign materials from the ICC sensor body window.

>> GO TO 7.

3.

VISUAL CHECK (2)

Check ICC sensor body window for cracks and scratches.
Are there any cracks or scratches?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

ADJUST LASER BEAM AIMING

1.

Adjust the laser beam aiming. Refer to

CCS-72, "Description"

.

2.

Perform ICC system action test. Refer to

CCS-77, "Description"

.

3.

Check that the vehicle ahead detection performance improves.

Does it improve?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

REPLACE ICC SENSOR

1.

Replace ICC sensor. Refer to

CCS-176, "Exploded View"

.

2.

Adjust the laser beam aiming. Refer to

CCS-72, "Description"

.

3.

Perform ICC system action test. Refer to

CCS-77, "Description"

.

4.

Check that the vehicle ahead detection performance improves.

Does it improve?

YES

>> INSPECTION END

NO

>> GO TO 6.

6.

REPLACE ADAS CONTROL UNIT

Replace ADAS control unit. Refer to

DAS-63, "Removal and Installation"

.

>> GO TO 7.

7.

CHECK ICC SYSTEM

1.

Erase the self-diagnosis results, and then perform “All DTC Reading” again after performing the action
test. (Refer to

CCS-77, "Description"

for action test.)

2.

Check that the ICC system is normal.

CCS-170

< SYMPTOM DIAGNOSIS >

[ICC]

FREQUENTLY CANNOT DETECT THE VEHICLE AHEAD / DETECTION ZONE IS

SHORT

>> INSPECTION END