Nissan March K13. Manual — part 19
BCS
U0415 VEHICLE SPEED
BCS-49
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U0415 VEHICLE SPEED
Description
INFOID:0000000006014856
U0415 is displayed if any unusual condition is present in the reception status of the vehicle speed signal from
the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000006014857
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase the DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of CONSULT-III, when passed 2 seconds or more after the ignition
switch is turned ON.
Is any DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006014858
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-III. Refer to
BRC section.
Is any DTC detected?
YES
>> Repair or replace the malfunctioning part.
NO
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
DTC
CONSULT-III display
description
DTC Detection Condition
Probable cause
U0415
VEHICLE SPEED
When the vehicle speed signal received from
the ABS actuator and electric unit (control
unit) remains abnormal for 2 seconds or more.
• ABS actuator and electric unit (control unit)
• BCM
BCS-50
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2562 LOW VOLTAGE
B2562 LOW VOLTAGE
DTC Logic
INFOID:0000000006014859
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1.
Erase DTC.
2.
Turn ignition switch OFF.
3.
Perform the “Self Diagnostic Result” of CONSULT-III, when passed 120 seconds or more after the ignition
switch is turned ON.
Is any DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006014860
1.
CHECK POWER SUPPLY CIRCUIT
Check BCM power supply circuit. Refer to
Is the circuit normal?
YES
>> Replace BCM. Refer to
BCS-57, "Removal and Installation"
NO
>> Repair the malfunctioning part.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
B2562
LOW VOLTAGE
When the power supply voltage to BCM remains less
than 8.8 V for 120 seconds or more
Harness or connector (power supply
circuit)
BCS
POWER SUPPLY AND GROUND CIRCUIT
BCS-51
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000006014861
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
G
9
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M70
70
Battery voltage
57
BCM
Ground
Continuity
Connector
Terminal
M70
67
Existed
BCS-52
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
COMBINATION SWITCH OUTPUT CIRCUIT
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000006014862
1.
CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect BCM and combination switch connectors.
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 BCM OUTPUT VOLTAGE
1.
Connect BCM connector.
2.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M68
36
M27
11
Existed
OUTPUT 2
35
9
OUTPUT 3
34
7
OUTPUT 4
33
10
OUTPUT 5
32
13
System
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M68
36
Not existed
OUTPUT 2
35
OUTPUT 3
34
OUTPUT 4
33
OUTPUT 5
32
System
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
OUTPUT 1
M68
36
7.0 - 8.0 V
OUTPUT 2
35
OUTPUT 3
34
OUTPUT 4
33
OUTPUT 5
32
PKIB4960J
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