Infiniti FX35, FX50 (S51). Manual — part 358
CCS-252
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A16 RADAR STAIN
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
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
C1A18 LASER AIMING INCMP
CCS-253
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A18 LASER AIMING INCMP
Description
INFOID:0000000005501847
Always perform the laser beam aiming adjustment after replacing the ICC sensor integrated unit.
DTC Logic
INFOID:0000000005501848
DTC DETECTION 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 “C1A18” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A18” detected as the current malfunction?
YES
>> Refer to
CCS-253, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005501849
1.
ADJUST LASER BEAM AIMING
1.
Adjust the laser beam aiming. Refer to
CCS-13, "LASER BEAM AIMING ADJUSTMENT : Description"
.
2.
Erase All self-diagnosis results with CONSULT-III.
3.
Perform “All DTC Reading”.
4.
Check if the “C1A18” is detected in “Self Diagnostic Result” of “ICC”.
Is “C1A18” detected?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> INSPECTION END
Special Repair Requirement
INFOID:0000000005501850
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
C1A18
(18)
LASER AIMING IN-
CMP
Laser beam aiming of ICC sensor integrated unit
is not adjusted
• No laser beam aiming adjustment is
performed
• Laser beam aiming adjustment has
been interrupted
CCS-254
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C1A18 LASER AIMING INCMP
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
C1A21 UNIT HIGH TEMP
CCS-255
< DTC/CIRCUIT DIAGNOSIS >
[DCA]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
C1A21 UNIT HIGH TEMP
Description
INFOID:0000000005501851
ICC sensor integrated unit integrates the temperature sensor.
DTC Logic
INFOID:0000000005501852
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Wait for 10 minutes or more and cool the ICC sensor integrated unit.
3.
Start the engine.
4.
Turn the DCA system ON.
5.
Perform “All DTC Reading” with CONSULT-III.
6.
Check if the “C1A21” is detected as the current malfunction in self-diagnosis results of “ICC”.
Is “C1A21” detected as the current malfunction?
YES
>> Refer to
CCS-255, "Diagnosis Procedure"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000005501853
1.
CHECK ENGINE COOLING SYSTEM
Check for any malfunctions in engine cooling system.
Is engine cooling system normal?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> Repair engine cooling system.
Special Repair Requirement
INFOID:0000000005501854
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
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.
DTC
(On board dis-
play)
Trouble diagnosis
name
DTC detecting condition
Possible causes
C1A21
(21)
UNIT HIGH TEMP
If the temperature sensor (integrated in the ICC
sensor integrated unit) detects a high temperature
Temperature around ICC sensor inte-
grated unit is excessively high
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