Nissan Leaf. Manual — part 167
BCS-62
< DTC/CIRCUIT DIAGNOSIS >
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000010122341
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010122342
1.
REPLACE BCM
When DTC U1010 is detected, replace BCM.
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
CONTROL UNIT (CAN)
[U1010]
BCM detected internal CAN communication cir-
cuit malfunction.
BCM
BCS
U0293 HV C/U CAN COMM
BCS-63
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U0293 HV C/U CAN COMM
DTC Logic
INFOID:0000000010122343
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1. Erase the DTC.
2. Turn power switch OFF.
3. Perform Self Diagnostic Result of BCM with CONSULT, after the power switch has been turned ON for 2
seconds or more.
Is DTC U0293 detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010122344
1.
VCM SELF-DIAG RESULTS
Perform Self-Diagnostic Result of VCM with CONSULT. Refer to
.
Are any DTCs detected?
YES
>> Repair or replace the malfunctioning part.
NO
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
HV C/U CAN COMM
[U0293]
VCM status signal received from VCM remains
abnormal for 2 seconds or more.
• BCM
• VCM
BCS-64
< DTC/CIRCUIT DIAGNOSIS >
U0415 VEHICLE SPEED
U0415 VEHICLE SPEED
Description
INFOID:0000000010122345
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:0000000010122346
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1. Erase the DTC.
2. Turn power switch OFF.
3. Perform Self Diagnostic Result of BCM with CONSULT, after the power switch has been turned ON for 2
seconds or more.
Is DTC U0415 detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010122347
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
Are any DTCs detected?
YES
>> Repair or replace the malfunctioning part.
NO
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
VEHICLE SPEED
[U0415]
Vehicle speed signal received from ABS actuator
and electric unit (control unit) remains abnormal
for 2 seconds or more.
• ABS actuator and electric unit (control unit)
• BCM
BCS
B2562 LOW VOLTAGE
BCS-65
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2562 LOW VOLTAGE
DTC Logic
INFOID:0000000010122348
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1. Erase DTC.
2. Turn power switch OFF.
3. Perform Self Diagnostic Result of BCM with CONSULT, after the power switch has been turned ON for
120 seconds or more.
Is DTC B2562 detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010122349
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
LOW VOLTAGE
[B2562]
Power supply voltage to BCM remains less than
8.8 V for 120 seconds or more
Harness or connector (power supply circuit)
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