Infiniti G37 Coupe. Manual — part 312
CCS
C1A18 LASER AIMING INCMP
CCS-61
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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C1A18 LASER AIMING INCMP
Description
INFOID:0000000001606910
Always perform laser beam aiming adjustment after replacing ICC sensor integrated unit.
DTC Logic
INFOID:0000000001606911
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606912
1.
ADJUST LASER BEAM AIMING
1.
Adjust laser beam aiming. Refer to
CCS-6, "LASER BEAM AIMING ADJUSTMENT : Description"
.
2.
Erase DTC.
3.
Activate the vehicle-to-vehicle distance control mode.
4.
Perform self-diagnosis of ICC sensor integrated unit.
5.
Check if DTC “LASER AIMING INCMP [C1A18]” (DTC 18) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 3.
3.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
DTC No.
(On board
display)
Trouble diagnosis
name
DTC detecting condition
Possible cause
C1A18
(18)
LASER AIMING INC-
MP
Laser beam aiming of ICC sensor integrated unit
is not adjusted.
• No laser beam aiming adjustment is per-
formed
• Laser beam aiming adjustment has been
interrupted
CCS-62
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A21 UNIT HIGH TEMP
C1A21 UNIT HIGH TEMP
Description
INFOID:0000000001606913
ICC sensor integrated unit integrates a temperature sensor.
DTC Logic
INFOID:0000000001606914
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606915
1.
CHECK SYMPTOM
Check if engine cooling system malfunctions.
Does it malfunction?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
REPAIR ENGINE COOLING SYSTEM
Repair engine cooling system.
>> GO TO 4.
3.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 4.
4.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
DTC No.
(On board
display)
Trouble diagnosis
name
DTC detecting condition
Possible cause
C1A21
(21)
UNIT HIGH TEMP
If temperature sensor (built in ICC sensor inte-
grated unit) detects a high temperature.
Temperature around ICC sensor integrated
unit is excessively high
CCS
C1A24 NP RANGE
CCS-63
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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C1A24 NP RANGE
Description
INFOID:0000000001606916
Park/neutral position switch signal is transmitted by TCM to ICC sensor integrated unit with CAN communica-
tion (A/T).
NOTE:
If DTC C1A24 is detected along with DTC U1000 or U0402, first diagnose the DTC U1000 or U0402.
• DTC U1000: Refer to
• DTC U0402: Refer to
.
DTC Logic
INFOID:0000000001606917
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001606918
1.
PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
1.
Perform self-diagnosis of ICC sensor integrated unit.
2.
Check if DTC “CAN COMM CIRCUIT [U1000]” (DTC100) or “TCM CAN CIR 1 [U0402]” (DTC 122) other
than “NP RANGE [C1A24]” (DTC 24) is detected.
Is any DTC detected?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
DIAGNOSIS FOR DETECTED DTC
Perform diagnosis on the detected and repair or replace the applicable item. Refer to
.
>> GO TO 6.
3.
CHECK DATA MONITOR OF TCM
With CONSULT-III
With “Data Monitor” of “A/T”, check if “SLCT LVR POSI” are operates normally.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
PERFORM SELF-DIAGNOSIS OF TCM
1.
Perform self-diagnosis of TCM.
2.
Replace or replace applicable item. Refer o
.
>> GO TO 6.
5.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-7, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 6.
DTC No.
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible cause
C1A24
(24)
NP RANGE
If park/neutral position switch signal and current
gear position signal, transmitted by TCM with
CAN communication, are inconsistent.
• Park/neutral position switch signal
• Current gear position signal
• TCM
CCS-64
< COMPONENT DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
C1A24 NP RANGE
6.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-11, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
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