Nissan Leaf. Manual — part 335
BRC-130
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C118C EV SYSTEM
C118C EV SYSTEM
DTC Logic
INFOID:0000000010120095
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C118C” detected?
YES
>> Proceed to
BRC-130, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120096
1.
CHECK VCM SYSTEM
With CONSULT
Perform “Self Diagnostic Result” of “EV/HEV”. Refer to
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK CAN COMMUNICATION
Check the CAN communication line. Refer to
LAN-17, "Trouble Diagnosis Flow Chart"
.
>> GO TO 3.
3.
CHECK SELF DIAGNOSTIC
With CONSULT
1. Erase “Self Diagnostic Result” of “ABS”.
2. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
3. Repeat step 2 two or more times.
4. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “C118C” or “U1000” detected?
YES (“C118C”)>>GO TO 1.
DTC
Display Item
Malfunction detected condition
Possible causes
C118C
EV/HEV SYSTEM
When a malfunction is detected in VCM system.
• VCM
• ABS actuator and electric unit
(control unit)
• CAN communication line
C118C EV SYSTEM
BRC-131
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
LAN-17, "Trouble Diagnosis Flow Chart"
.
NO
>> Inspection End.
BRC-132
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
U1000 CAN COMM CIRCUIT
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000010120097
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000010120098
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “U1000” detected?
YES
>> Proceed to
BRC-132, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120099
LAN-17, "Trouble Diagnosis Flow Chart"
DTC
Display Item
Malfunction detected condition
Possible causes
U1000
CAN COMM CIRCUIT
When CAN communication signal is not continuously
transmitted or received for 2 seconds or more.
CAN communication system mal-
function
U1010 CONTROL UNIT (CAN)
BRC-133
< DTC/CIRCUIT DIAGNOSIS >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000010120100
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000010120101
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn power switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result” of “ABS”.
Is DTC “U1010” detected?
YES
>> Proceed to
BRC-133, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120102
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check the ABS actuator and electric unit (control unit) harness connector for disconnection and deformation.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-162, "Removal and Installa-
.
NO
>> Repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible causes
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis of
CAN controller of ABS actuator and electric unit (con-
trol unit).
ABS actuator and electric unit
(control unit)
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