Nissan X-Trail 32. Manual — part 208
BRC-298
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
U1527 CCM CAN 1
U1527 CCM CAN 1
DTC Logic
INFOID:0000000010927797
DTC DETECTION LOGIC
POSSIBLE CAUSE
Chassis control module
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “U1527” 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 “U1527” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “U1527” detected as the current malfunction?
YES
>> Refer to
BRC-298, "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:0000000010927798
1.
CHECK DTC PRIORITY
If DTC “U1527” 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 SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “CHASSIS CONTROL MODULE”.
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
U1527
CCM CAN CIR 1
(Chassis control module CAN
circuit 1)
Distance sensor detects that chassis control module has a malfunction.
U153F CCM CAN 2
BRC-299
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
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U153F CCM CAN 2
DTC Logic
INFOID:0000000010927799
DTC DETECTION LOGIC
POSSIBLE CAUSE
Chassis control module
FAIL-SAFE
FEB system is canceled.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC “U153F” 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 “U153F” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/
RADAR”.
Is “U153F” detected as the current malfunction?
YES
>> Refer to
BRC-299, "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:0000000010927800
1.
CHECK DTC PRIORITY
If DTC “U153F” 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 CHASSIS CONTROL MODULE SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “CHASSIS CONTROL”.
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
U153F
CCM CAN CIR 2
(Chassis control module CAN
circuit 2)
Distance sensor detects an error signal that is received from chassis control mod-
ule via CAN communication
BRC-300
< DTC/CIRCUIT DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010731072
1.
CHECK FUSES
Check if any of the following fuses are blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK DISTANCE SENSOR POWER SUPPLY CIRCUIT
Check voltage between distance sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the distance sensor power supply circuit.
3.
CHECK DISTANCE SENSOR GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the distance sensor connector.
3.
Check for continuity between distance sensor harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the distance sensor ground circuit.
Signal name
Fuse No.
Ignition power supply
30
Terminal
Condition
Voltage
(Approx.)
(+)
(–)
Distance sensor
Ground
Ignition
switch
Connector
Terminal
E78
8
OFF
0 V
ON
Battery volt-
age
Distance sensor
Ground
Continuity
Connector
Terminal
E78
1
Existed
DRIVER ASSISTANCE SYSTEM SYMPTOMS
BRC-301
< SYMPTOM DIAGNOSIS >
[FORWARD EMERGENCY BRAKING]
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SYMPTOM DIAGNOSIS
DRIVER ASSISTANCE SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000010727978
Before performing diagnosis, check that it is not a symptom caused by normal operation. Refer to
Symptom
Confirmation item
Inspection item/Reference page
FEB system display does not il-
luminate
All of system display does not illuminate
System settings cannot be
turned ON/OFF
Refer to
Other information display is not illuminated
Combination meter
Refer to
FEB warning lamp does not illu-
minate
All of system display does not illuminate
System settings cannot be
turned ON/OFF
Refer to
Other information display is not illuminated
Combination meter
Refer to
FEB warning buzzer is not
sounding (Warning display is
functioning normally)
—
Chime does not sound. Refer to
(Without Park Assist) or
(Without Park
Assist).
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