Nissan Versa Sedan. Instruction — part 88
BCS
INSPECTION AND ADJUSTMENT
BCS-113
< BASIC INSPECTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
>> Work End.
CONFIGURATION (BCM) : Configuration List
INFOID:0000000009268697
CAUTION:
Thoroughly read and understand the vehicle specification. Incorrect settings may result in abnormal
control of ECU.
⇔: Items which confirm vehicle specifications
SETTING ITEM
Items
Setting value
CAN CONNECTION UNIT
MODE4
⇔ WITHOUT
BLOWE FAN SIG
MODE2
BCS-114
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
U1000 CAN COMM
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM
Description
INFOID:0000000009268698
LAN-6, "CAN COMMUNICATION SYSTEM : System Description"
.
DTC Logic
INFOID:0000000009268699
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm
that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result
procedure.
Diagnosis Procedure
INFOID:0000000009268700
1.
PERFORM SELF DIAGNOSTIC RESULT
1. Turn ignition switch ON and wait for 2 second or more.
2. Check “SELF- DIAG RESULTS”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Perform CAN Diagnosis as described in DIAGNOSIS section of CONSULT Operation Instruction.
NO
>> Refer to
GI-45, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Possible Cause
CAN COMM CIRCUIT
[U1000]
When any listed module cannot communicate
with CAN communication signal continuously for
2 seconds or more with ignition switch ON
In CAN communication system, any item (or
items) of the following listed below is malfunc-
tioning.
• Transmission
• Receiving (ECM)
• Receiving (VDC/TCS/ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (IPDM E/R)
BCS
U1010 CONTROL UNIT (CAN)
BCS-115
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000009268701
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009268702
1.
REPLACE BCM
When DTC “U1010” is detected, replace BCM.
>> Replace BCM. Refer to
BCS-122, "Removal and Installation"
.
CONSULT Display
DTC Detection Condition
Possible Cause
CONTROL UNIT (CAN)
[U1010]
BCM detected internal CAN communication cir-
cuit malfunction.
BCM
BCS-116
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000009268703
Regarding Wiring Diagram information, refer to
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
12 (10A)
70
G (40A)
11
Ignition switch ACC or ON
18 (10A)
38
Ignition switch ON or START
2 (10A)
BCM
Ground
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M20
57
Battery voltage
Battery voltage
Battery voltage
70
M18
11
—
0 V
Battery voltage
Battery voltage
38
0 V
0 V
Battery voltage
BCM
Ground
Continuity
Connector
Terminal
M20
67
—
Yes
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