Nissan X-Trail 32. Manual — part 99
BCS-112
< DTC/CIRCUIT DIAGNOSIS >
U0415 VEHICLE SPEED
U0415 VEHICLE SPEED
DTC Description
INFOID:0000000010688621
DTC DETECTION LOGIC
POSSIBLE CAUSE
• ABS actuator and electric unit (control unit)
• BCM
FAIL-SAFE
Inhibit steering lock
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase the DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of BCM with CONSULT, when passed 2 seconds or more after the
ignition switch is turned ON.
Is any DTC detected?
YES
>> Refer to
BCS-112, "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:0000000010688622
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAG RESULTS
Perform “Self-Diagnostic Result” of ABS actuator and electric unit (control unit) with CONSULT. Refer to
Is any DTC detected?
YES
>> Repair or replace the malfunctioning part.
NO
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
DTC
CONSULT display description
DTC Detection Condition
U0415–00
VEHICLE SPEED
(Vehicle speed)
When the vehicle speed signal received from the ABS actuator and electric unit (con-
trol unit) remains abnormal for 2 seconds or more.
BCS
B2562 LOW VOLTAGE
BCS-113
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2562 LOW VOLTAGE
DTC Description
INFOID:0000000010688623
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector (power supply circuit)
• BCM
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of BCM with CONSULT, when passed 120 seconds or more after the
ignition switch is turned ON.
Is any DTC detected?
YES
>> Refer to
BCS-113, "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:0000000010688624
1.
CHECK POWER SUPPLY CIRCUIT
Check BCM power supply circuit. Refer to
BCS-114, "Diagnosis Procedure"
.
Is the circuit normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Repair the malfunctioning part.
DTC
CONSULT display description
DTC Detection Condition
B2562–00
LOW VOLTAGE
(Low voltage)
When the power supply voltage to BCM remains less than 8.8 V for 120 seconds or
more
BCS-114
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010688625
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse and fusible link No.
Battery power supply
14
7
(+)
(
−
)
Voltage
BCM
Connector
Terminal
M86
95
Ground
9 – 16 V
M85
137
BCM
Ground
Continuity
Connector
Terminal
M85
146
Existed
147
BCS
COMBINATION SWITCH OUTPUT CIRCUIT
BCS-115
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000010688626
1.
CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect BCM and combination switch connectors.
NOTE:
BCM connector disconnects M86 and M87 only.
3.
Check continuity between BCM harness connector and combination switch harness connector.
Does continuity exist?
YES
>> GO TO 2.
NO
>> Repair harnesses or connectors.
2.
CHECK OUTPUT 1 - 5 CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair harnesses or connectors.
NO
>> GO TO 3.
3.
CHECK COMBINATION SWITCH INTERNAL CIRCUIT
1.
Connect combination switch connector.
2.
Turn ON any switch in the system that is malfunctioning.
3.
Check voltage between BCM harness connector and ground.
NOTE:
Check that the combination switch outputs a signal from combination switch input system.
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M86
85
M31
2
Existed
OUTPUT 2
84
10
OUTPUT 3
86
15
OUTPUT 4
87
4
OUTPUT 5
M87
74
7
System
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M86
85
Not existed
OUTPUT 2
84
OUTPUT 3
86
OUTPUT 4
87
OUTPUT 5
M87
74
System
(+)
(
−
)
Voltage
(Approx.)
Combination switch
Connector
Terminal
OUTPUT 1
M31
2
Ground
Refer to
.
OUTPUT 2
10
OUTPUT 3
15
OUTPUT 4
4
OUTPUT 5
7
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