Infiniti FX35, FX50 (S51). Manual — part 362
CCS-268
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A32 IBA FLAG STUCK
C1A32 IBA FLAG STUCK
Description
INFOID:0000000005501875
ICC sensor integrated unit shares components with the IBA system.
DTC Logic
INFOID:0000000005501876
DTC DETECTION LOGIC
NOTE:
If DTC “C1A32” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
SENSOR INTEGRATED UNIT : DTC Logic"
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the DCA system ON, and wait for 5 minutes or more.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “C1A32” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A32” detected as the current malfunction?
YES
>> Refer to
CCS-268, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501877
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A32” in “Self Diagnostic Result” of “ICC”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-313, "ICC SENSOR INTEGRATED UNIT : DTC Logic"
.
NO
>> GO TO 2.
2.
REPLACE BRAKE BOOSTER CONTROL UNIT
1.
Turn the ignition switch OFF.
2.
Replace the brake booster control unit.
3.
Erases All self-diagnosis results.
4.
Perform DTC confirmation procedure. Refer to
5.
Perform “All DTC Reading”.
6.
Check if the “C1A32” is detected in “Self Diagnostic Result” of “ICC”.
Is “C1A32” detected?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501878
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
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
C1A32
(32)
IBA FLAG STUCK
If the control (detection) of IBA is malfunction-
ing
• ICC sensor integrated unit
• Brake booster control unit
CCS
C1A32 IBA FLAG STUCK
CCS-269
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
1.
LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT
Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to
>> GO TO 2.
2.
CHECK DCA SYSTEM
1.
Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to
CCS-191, "ACTION TEST : Description"
for action test.)
2.
Check that the DCA system is normal.
>> WORK END
CCS-270
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A33 CAN TRANSMISSION ERROR
C1A33 CAN TRANSMISSION ERROR
Description
INFOID:0000000005501879
ICC sensor integrated unit transmits the signal required by the DCA system control to ECM via CAN commu-
nication.
DTC Logic
INFOID:0000000005501880
DTC DETECTION LOGIC
NOTE:
If DTC “C1A33” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
SENSOR INTEGRATED UNIT : DTC Logic"
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the DCA system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “C1A33” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A33” detected as the current malfunction?
YES
>> Refer to
CCS-270, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501881
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.
CCS-313, "ICC SENSOR INTEGRATED UNIT : DTC Logic"
.
NO
>> Replace the ICC sensor integrated unit. Refer to
Special Repair Requirement
INFOID:0000000005501882
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
>> GO TO 2.
2.
CHECK DCA 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-271
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
1.
Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to
CCS-191, "ACTION TEST : Description"
for action test.)
2.
Check that the DCA system is normal.
>> WORK END
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