Infiniti FX35, FX50 (S51). Manual - part 323

CCS-112

< DTC/CIRCUIT DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C1A33 CAN TRANSMISSION ERROR

C1A33 CAN TRANSMISSION ERROR

Description

INFOID:0000000005501672

ICC sensor integrated unit transmits the signal required by the ICC system control to ECM via CAN communi-
cation. 

DTC Logic

INFOID:0000000005501673

DTC DETECTION LOGIC

NOTE:
If DTC “C1A33” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

CCS-137,

"DTC Logic"

. 

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the MAIN switch of ICC system ON. 

3.

Perform “All DTC Reading” with CONSULT-III. 

4.

Check if the “C1A33” is detected as the current malfunction in “Self Diagnostic Result” of “ICC”. 

Is “C1A33” detected as the current malfunction?

YES

>> Refer to 

CCS-112, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-36, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000005501674

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “C1A33” in “Self Diagnostic Result” of “ICC”. 

Is “U1000” detected?

YES

>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.

Refer to 

CCS-137, "DTC Logic"

. 

NO

>> Replace the ICC sensor integrated unit. Refer to 

CCS-184, "Exploded View"

. 

Special Repair Requirement

INFOID:0000000005501675

DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed. 
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT

1.

LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to 

CCS-13, "LASER BEAM AIMING

ADJUSTMENT : Description"

. 

>> GO TO 2.

2.

CHECK ICC SYSTEM

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

C1A33

(33)

CAN TRANSMISSION 
ERROR

If an error occurs in the CAN communication 
signal that ICC sensor integrated unit trans-
mits to ECM

ICC sensor integrated unit

CCS

C1A33 CAN TRANSMISSION ERROR

CCS-113

< DTC/CIRCUIT DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

1.

Erase the “Self Diagnostic Result”, 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. 

>> WORK END

CCS-114

< DTC/CIRCUIT DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C1A34 COMMAND ERROR

C1A34 COMMAND ERROR

Description

INFOID:0000000005501676

ICC sensor integrated unit transmits the command signal required for the ECM control via CAN communica-
tion. 

DTC Logic

INFOID:0000000005501677

DTC DETECTION LOGIC

NOTE:
If DTC “C1A34” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

CCS-137,

"DTC Logic"

. 

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Operate the ICC system and drive. 

CAUTION:

Always drive safely. 

3.

Stop the vehicle.

4.

Perform “All DTC Reading” with CONSULT-III. 

5.

Check if the “C1A34” is detected as the current malfunction in “Self Diagnostic Result” of “ICC”. 

Is “C1A34” detected as the current malfunction?

YES

>> Refer to 

CCS-114, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-36, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000005501678

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “C1A34” in “Self Diagnostic Result” of “ICC”. 

Is “U1000” detected?

YES

>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.

Refer to 

CCS-137, "DTC Logic"

. 

NO

>> Replace the ICC sensor integrated unit. Refer to 

CCS-184, "Exploded View"

. 

Special Repair Requirement

INFOID:0000000005501679

DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed. 
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT

1.

LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to 

CCS-13, "LASER BEAM AIMING

ADJUSTMENT : Description"

. 

DTC

(On board dis-

play)

Trouble diagnosis name

DTC detecting condition

Possible causes

C1A34

(34)

COMMAND ERROR

If an error occurs in the command signal that 
ICC sensor integrated unit transmits to ECM 
via CAN communication

ICC sensor integrated unit

CCS

C1A34 COMMAND ERROR

CCS-115

< DTC/CIRCUIT DIAGNOSIS >

[ICC (FULL SPEED RANGE)]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

>> GO TO 2.

2.

CHECK ICC SYSTEM

1.

Erase the “Self Diagnostic Result”, 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. 

>> WORK END