Nissan X-Trail 32. Manual — part 204
BRC-282
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C1A16 RADAR BLOCKED
4.
PERFORM RADAR ALIGNMENT
1.
Adjust the radar alignment with CONSULT. Refer to
2.
Perform FEB system action test to check the operation status. Refer to
3.
Perform “All DTC Reading”.
4.
Check the “C1A16” is detected in “Self Diagnostic Result” of “LASER/RADAR”.
Is “C1A16” detected?
YES
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
NO
>> GO TO 5.
5.
INTERVIEW
1.
Ask if there is any trace of contamination or foreign materials adhering to the distance sensor area of the
front bumper.
2.
Ask if distance sensor area of the front bumper was frosted during driving or if vehicle was driven in snow.
3.
Ask if distance sensor area of the front bumper was temporarily fogged. (Windshield glass may also tend
to fog, etc.)
Is any of above conditions seen?
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 distance sensor. Refer to
BRC-304, "Removal and Installation"
.
C1A17 DISTANCE SENSOR
BRC-283
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C
D
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A
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BRC
N
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C1A17 DISTANCE SENSOR
DTC Logic
INFOID:0000000010727824
DTC DETECTION LOGIC
NOTE:
If DTC C1A17 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
POSSIBLE CAUSE
Distance sensor
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Wait for 10 minutes or more.
3.
Start the engine.
4.
Turn the FEB system ON.
5.
Perform “All DTC Reading” with CONSULT.
6.
Check if the “C1A17” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “C1A17” detected as the current malfunction?
YES
>> Refer to
BRC-285, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010727825
1.
REPLACE DISTANCE SENSOR
>> Replace distance sensor. Refer to
BRC-304, "Removal and Installation"
.
DTC
Trouble diagnosis name
DTC detecting condition
C1A17
ICC SENSOR MALF
(ICC sensor malfunction)
Distance sensor is malfunctioning.
BRC-284
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C1A18 RADAR AIMING INCMP
C1A18 RADAR AIMING INCMP
DTC Logic
INFOID:0000000010727826
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Distance sensor aiming adjustment not performed.
• Distance sensor aiming adjustment interrupted.
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Wait for 10 minutes or more.
3.
Start the engine.
4.
Turn the FEB system ON.
5.
Perform “All DTC Reading” with CONSULT.
6.
Check if the “C1A18” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “C1A18” detected as the current malfunction?
YES
>> Refer to
BRC-285, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010727827
1.
ADJUST DISTANCE SENSOR
Perform distance sensor Initial vertical alignment and distance sensor alignment.
>> Refer to
.
DTC
Trouble diagnosis name
DTC detecting condition
C1A18
LASER AIMING INCMP
(Laser aiming incomplete)
Distance sensor not adjusted.
C1A21 UNIT HIGH TEMP
BRC-285
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C
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BRC
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C1A21 UNIT HIGH TEMP
DTC Logic
INFOID:0000000010766427
DTC DETECTION LOGIC
POSSIBLE CAUSE
Temperature around the distance sensor becomes extremely low or high
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the ignition switch OFF.
2.
Wait for 10 minutes or more.
3.
Start the engine.
4.
Turn the FEB system ON.
5.
Perform “All DTC Reading” with CONSULT.
6.
Check if the “C1A21” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “C1A21” detected as the current malfunction?
YES
>> Refer to
BRC-285, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010766428
1.
CHECK ENGINE COOLING SYSTEM
Check for any malfunctions in engine cooling system.
Is engine cooling system normal?
YES
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
NO
>> Repair engine cooling system.
DTC
Trouble diagnosis name
DTC detecting condition
C1A21
UNIT HIGH TEMP
(Unit high temperature)
Temperature detected by the temperature sensor integrated in distance sensor
remains more than 105
°
C (221
°
F) for 5 seconds or more
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