Nissan X-Trail 32. Instruction — part 206
BRC-290
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C1B5D FEB OPE COUNT LIMIT
C1B5D FEB OPE COUNT LIMIT
DTC Logic
INFOID:0000000010766641
DTC DETECTION LOGIC
NOTE:
If “C1B5D” detected, perform the FEB system action test and check FEB system operates normally.
POSSIBLE CAUSE
FEB system operated 3 times within ignition switch ON.
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
PERFORM FEB SYSTEM ACTION TEST
Perform the FEB system action test.
Is there any malfunction symptom?
YES
>> Refer to
BRC-290, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010766642
1.
DTC CHECK SELF-DIAGNOSIS RESULTS
1.
Turn ignition switch OFF.
2.
Turn ignition switch ON.
3.
Perform “All DTC Reading” with CONSULT.
4.
Check if the “C1B5D” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is C1B5D detected as current malfunction?
YES
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
NO
>> Perform FEB system action test. Refer to
DTC
Trouble diagnosis name
DTC detecting condition
C1B5D
FEB OPE COUNT LIMIT
(Forward Emergency Braking oper-
ation count limit)
FEB system operated 3 times within ignition switch ON.
U0121 VDC CAN 2
BRC-291
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C
D
E
G
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M
A
B
BRC
N
O
P
U0121 VDC CAN 2
DTC Logic
INFOID:0000000010766643
DTC DETECTION LOGIC
POSSIBLE CAUSE
ABS actuator and electric unit (control unit)
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “U0121” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the FEB system ON.
3.
Perform “All DTC Reading” with CONSULT.
4.
Check if the “U0121” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “U0121” detected as the current malfunction?
YES
>> Refer to
BRC-291, "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:0000000010766644
1.
CHECK DTC PRIORITY
If DTC “U0121” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
NO
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
DTC
Trouble diagnosis name
DTC detecting condition
U0121
VDC CAN CIR2
(VDC CAN circuit2)
If distance sensor detects an error signal that is received from ABS actuator and
electric unit (control unit) via CAN communication
BRC-292
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
U0126 STRG SEN CAN 1
U0126 STRG SEN CAN 1
DTC Logic
INFOID:0000000010766645
DTC DETECTION LOGIC
POSSIBLE CAUSE
Steering angle sensor
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “U0126” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the FEB system ON.
3.
Perform “All DTC Reading” with CONSULT.
4.
Check if the “U0126” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “U0126” detected as the current malfunction?
YES
>> Refer to
BRC-292, "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:0000000010766646
1.
CHECK DTC PRIORITY
If DTC “U0126” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
.
NO
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
DTC
Trouble diagnosis name
DTC detecting condition
U0126
STRG SEN CAN CIR1
(Steering sensor CAN circuit1)
If distance sensor detects an error signal that is received from steering angle sen-
sor via CAN communication
U0401 ECM CAN 1
BRC-293
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
C
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A
B
BRC
N
O
P
U0401 ECM CAN 1
DTC Logic
INFOID:0000000010766647
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “U0401” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the FEB system ON.
3.
Perform “All DTC Reading” with CONSULT.
4.
Check if the “U0401” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “U0401” detected as the current malfunction?
YES
>> Refer to
BRC-293, "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:0000000010766648
1.
CHECK DTC PRIORITY
If DTC “U0401” is displayed with DTC “U1000”, first diagnose the DTC “U1000”.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
CHECK ECM SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
(R9M).
NO
>> Replace the distance sensor. Refer to
BRC-304, "Removal and Installation"
.
DTC
Trouble diagnosis name
DTC detecting condition
U0401
ECM CAN CIR1
(ECM CAN circuit1)
If distance sensor detects an error signal that is received from ECM via CAN com-
munication
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