Infiniti FX35, FX50 (S51). Manual — part 318
CCS-92
< DTC/CIRCUIT DIAGNOSIS >
[ICC (FULL SPEED RANGE)]
C1A15 GEAR POSITION
>> WORK END
CCS
C1A16 RADAR STAIN
CCS-93
< DTC/CIRCUIT DIAGNOSIS >
[ICC (FULL SPEED RANGE)]
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C1A16 RADAR STAIN
Description
INFOID:0000000005501636
ICC sensor integrated unit detects the reflected light from the vehicle ahead by irradiating a laser beam for-
ward. It calculates the distance from and relative speed with the vehicle ahead based on the detected signal.
DTC Logic
INFOID:0000000005501637
DTC DETECTION LOGIC
NOTE:
DTC “C1A16” may be detected under the following conditions. (Explain to the customer about the difference
between the contamination detection function and the indication when the malfunction is detected and tell
them “This is not malfunction”.)
• When contamination or foreign materials adhere to the ICC sensor integrated unit body window
• When driving while it is snowing or when frost forms on the ICC sensor integrated unit body window
• When ICC sensor integrated unit body window is temporarily fogged
Diagnosis Procedure
INFOID:0000000005501638
1.
VISUAL CHECK 1
Check ICC sensor integrated unit body window for contamination and foreign materials.
Does contamination or foreign materials adhere?
YES
>> Wipe out the contamination and foreign materials from the ICC sensor integrated unit body win-
dow.
NO
>> GO TO 2.
2.
VISUAL CHECK 2
Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
YES
>> Replace the ICC sensor integrated unit. Refer to
NO
>> GO TO 3.
3.
INTERVIEW
1.
Ask if there is any trace of contamination or foreign materials adhering to the ICC sensor integrated unit
body window.
2.
Ask if ICC sensor integrated unit body window was frosted during driving or if vehicle was driven in snow.
3.
Ask if ICC sensor integrated unit body window was temporarily fogged. (Windshield glass may also tend
to fog, etc.)
What is the result of the interview with the customer?
YES
>> Explain to the customer about the difference between the contamination detection function and
the indication when the malfunction is detected and tell them “This is not malfunction”.
NO
>> Replace the ICC sensor integrated unit. Refer to
Special Repair Requirement
INFOID:0000000005501639
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
DTC
(On board dis-
play)
Trouble diagnosis
name
DTC detecting condition
Possible causes
C1A16
(16)
RADAR STAIN
If any stain occurs to ICC sensor integrated
unit body window
• Stain or foreign materials is deposit-
ed
• Cracks or scratches exist
CCS-94
< DTC/CIRCUIT DIAGNOSIS >
[ICC (FULL SPEED RANGE)]
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 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"
2.
Check that the ICC system is normal.
>> WORK END
CCS
C1A18 LASER AIMING INCMP
CCS-95
< DTC/CIRCUIT DIAGNOSIS >
[ICC (FULL SPEED RANGE)]
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C1A18 LASER AIMING INCMP
Description
INFOID:0000000005501640
Always perform the laser beam aiming adjustment after replacing the ICC sensor integrated unit.
DTC Logic
INFOID:0000000005501641
DTC DETECTION 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 “C1A18” is detected as the current malfunction in “Self Diagnostic Result” of “ICC”.
Is “C1A18” detected as the current malfunction?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005501642
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:0000000005501643
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 ICC 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
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