Infiniti FX35, FX50 (S51). Manual — part 337

CCS-168

< SYMPTOM DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

MAIN SWITCH DOES NOT TURN ON, MAIN SWITCH DOES NOT TURN OFF

MAIN SWITCH DOES NOT TURN ON, MAIN SWITCH DOES NOT TURN
OFF

Description

INFOID:0000000005501743

MAIN switch does not turn ON

• ICC system display does not appear even when MAIN switch is pressed.

MAIN switch does not turn OFF

• When ICC system display is ON, display does not turn OFF even if MAIN switch is pressed.
NOTE:
When ICC system warning lamp illuminates, perform the self-diagnosis of ICC system, and then repair or
replace the malfunctioning parts.

Diagnosis Procedure

INFOID:0000000005501744

1.

MAIN SWITCH INSPECTION

1.

Start the engine.

2.

Check that “MAIN SW” and “CRUISE LAMP” operate normally in “DATA MONITOR” of “ICC” with CON-
SULT-III.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK UNIFIED METER AND A/C AMP.

Check that “CRUISE IND” operates normally in “DATA MONITOR” of “METER/M&A”.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

PERFORM SELF-DIAGNOSIS OF UNIFIED METER AND A/C AMP.

1.

Perform “Self Diagnostic Result” of “METER/M&A”.

2.

Check if DTC is detected. Refer to

MWI-119, "DTC Index"

.

Is any DTC detected?

YES

>> Repair or replace malfunctioning parts.

NO

>> GO TO 4.

4.

PERFORM SELF-DIAGNOSIS RESULTS OF ICC SYSTEM

1.

Perform “All DTC Reading”.

2.

Check if the “U1000” is detected in self-diagnosis results of “ICC”.

Is “U1000” detected?

YES

>> GO TO 5.

NO

>> GO TO 6.

5.

CAN COMMUNICATIONS INSPECTION

Check the CAN communication and repair or replace malfunctioning parts. Refer to

CCS-137, "DTC Logic"

.

>> INSPECTION END

6.

CHECK ICC STEERING SWITCH

Check the ICC steering switch. Refer to

CCS-66, "Diagnosis Procedure"

.

>> INSPECTION END

CCS

ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)

CCS-169

< SYMPTOM DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)

Description

INFOID:0000000005501745

The MAIN switch can be turned ON/OFF, but the ICC system cannot be set even if the SET/COAST switch is
pressed.
NOTE:
The system cannot be set in the following case.
• When the vehicle ahead is not detected below the speed of 32 km/h (20 MPH).
• When the selector lever is not in the “D”, “DS” position or manual mode.
• When the front wipers are operating at LO or HI.

(If the vehicle is equipped with a rain sensing auto-wiper, the system may cancel when the wipers are set to
INT)

• When the brake pedal is depressed.
• When driving into a strong light (i.e., sunlight).
• When the snow mode switch is turned ON.
• When the VDC is turned OFF.
• When ABS or VDC (including the TCS) operates.
• When a wheel slips.

Diagnosis Procedure

INFOID:0000000005501746

1.

CHECK CAUSE OF AUTOMATIC CANCELLATION

Check if there is the cancellation cause in the “CAUSE OF AUTO-CANCEL” on “WORK SUPPORT” of “ICC”
with CONSULT-III.

Is it displayed?

Not displayed>>GO TO 2.
“OPE SW VOLT CIRC”>>Refer to

CCS-66, "DTC Logic"

.

“VHCL SPD UNMATCH”>>Refer to

CCS-57, "DTC Logic"

.

“IGN LOW VOLT”>>Refer to

CCS-55, "DTC Logic"

.

“ECM CIRCUIT”>>Refer to

CCS-88, "DTC Logic"

.

“CAN COMM ERROR”>>Refer to

CCS-137, "DTC Logic"

.

“ABS/TCS/VDC CIRC”>>Refer to

CCS-59, "DTC Logic"

.

“BCU CIRCUIT”>>Refer to

CCS-99, "DTC Logic"

.

2.

PERFORM THE SELF-DIAGNOSIS

1.

Perform “All DTC Reading”.

2.

Check if any DTC is detected in “Self Diagnostic Result” of “ICC”. Refer to

CCS-162, "DTC Index"

.

Is any DTC detected?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

REPAIR OR REPLACE MALFUNCTIONING PARTS

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

>> GO TO 6.

4.

CHECK EACH SWITCH AND VEHICLE SPEED SIGNAL

1.

Start the engine.

2.

Check that the following items operate normally in “DATA MONITOR” of “ICC”.

-

“VHCL SPEED SE”

-

“D RANGE SW”

-

“SET/COAST SW”

-

“BRAKE SW”

-

“WIPER SW”

-

“PKB SW”

Is there a malfunctioning item?

All items are normal>>GO TO 5.
“VHCL SPEED SE”>>Refer to

CCS-57, "DTC Logic"

.

CCS-170

< SYMPTOM DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

ICC SYSTEM CANNOT BE SET (MAIN SWITCH TURNS ON/OFF)

“D RANGE SW”>>Refer to

CCS-172, "Diagnosis Procedure"

.

“SET/COAST SW”>>Refer to

CCS-66, "DTC Logic"

.

“BRAKE SW”>>Refer to

CCS-61, "DTC Logic"

.

“WIPER SW” (When the front wiper operation is normal)>>GO TO 5.
“WIPER SW” (When the front wiper operation is malfunctioning)>>Performs the diagnosis of the front wiper.

Refer to

WW-105, "WITH RAIN SENSOR : Symptom Table"

(With rain sensor) or

WW-107,

"WITHOUT RAIN SENSOR : Symptom Table"

(Without rain sensor).

“PKB SW”>>Refer to

MWI-69, "Diagnosis Procedure"

.

5.

REPLACE ICC SENSOR INTEGRATED UNIT

1.

Replace the ICC sensor integrated unit. Refer to

CCS-184, "Exploded View"

.

2.

Perform the laser beam aiming. Refer to

CCS-13, "LASER BEAM AIMING ADJUSTMENT : Description"

.

>> GO TO 6.

6.

CHECK ICC SYSTEM

1.

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

CCS-18, "ACTION TEST : Description"

for action test.)

2.

Check that the ICC system is normal.

>> INSPECTION END

CCS

ICC STEERING SWITCH (OTHER THAN MAIN SWITCH) DOES NOT FUNCTION

CCS-171

< SYMPTOM DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

ICC STEERING SWITCH (OTHER THAN MAIN SWITCH) DOES NOT
FUNCTION

Description

INFOID:0000000005501747

MAIN switch can be turned ON/OFF, but the operation of RESUME/ACCELERATE switch, CANCEL switch,
and DISTANCE switch cannot be performed during ICC system operation.
NOTE:
Resume is not accepted when the following condition is met.
• When the MAIN switch is turned OFF once.
The set distance change is not accepted when any of the following condition is met.
• When the DCA system is turned ON.

Diagnosis Procedure

INFOID:0000000005501748

1.

CHECK EACH SWITCH

1.

Start the engine.

2.

Check that each switch operates normally on “DATA MONITOR” of “ICC” with CONSULT-III.

-

“RESUME/ACC SW”

-

“CANCEL SW”

-

“DISTANCE SW”

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 2.

2.

PERFORM ALL OF THE SELF-DIAGNOSIS ITEMS

1.

Perform “All DTC Reading”.

2.

Check if the “U1000” is detected in “Self Diagnostic Result” of “ICC”.

Is “U1000” detected?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CAN COMMUNICATIONS INSPECTION

Check the CAN communication and repair or replace malfunctioning parts. Refer to

CCS-137, "DTC Logic"

.

>> INSPECTION END

4.

CHECK ICC STEERING SWITCH

Check the ICC steering switch. Refer to

CCS-67, "Component Inspection"

.

>> GO TO 6.

5.

REPLACE ICC SENSOR INTEGRATED UNIT

1.

Replace the ICC sensor integrated unit. Refer to

CCS-184, "Exploded View"

.

2.

Adjust the laser beam aiming. Refer to

CCS-13, "LASER BEAM AIMING ADJUSTMENT : Description"

.

>> GO TO 6.

6.

CHECK ICC SYSTEM

1.

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

CCS-18, "ACTION TEST : Description"

for action test.)

2.

Check that the ICC system is normal.

>> INSPECTION END