Nissan Sentra. Manual — part 123
BCS-62
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
INSPECTION AND ADJUSTMENT
Confirm that each function controlled by BCM operates normally.
>> Work End.
CONFIGURATION (BCM) : Configuration list
INFOID:0000000009757334
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
TRANSMISSION
AT with ABS
⇔ MT with ABS
BLOWE FAN SIG
MODE1
⇔ MODE2
BCS
U1000 CAN COMM CIRCUIT
BCS-63
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000009757335
LAN-7, "CAN COMMUNICATION SYSTEM : System Description"
.
DTC Logic
INFOID:0000000009757336
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:0000000009757337
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 Manual.
NO
>> Refer to
GI-39, "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-64
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000009757338
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009757339
1.
REPLACE BCM
When DTC “U1010” is detected, replace BCM.
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
CONSULT Display
DTC Detection Condition
Possible Cause
CONTROL UNIT (CAN)
[U1010]
BCM detected internal CAN communication cir-
cuit malfunction.
BCM
BCS
U0415 VEHICLE SPEED
BCS-65
< 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
DTC Logic
INFOID:0000000009757340
DTC DETECTION LOGIC
NOTE:
• If DTC U0415 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC U0415 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION
1. Erase the DTC.
2. Turn ignition switch OFF.
3. Perform Self Diagnostic Result of BCM with CONSULT, after the ignition switch has been turned ON for 2
seconds or more.
Is any DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757341
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of ABS with CONSULT. Refer to
BRC-31, "CONSULT Function (ABS)"
.
Is any DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND
CIRCUIT
Check ABS actuator and electric unit (control unit) power and ground. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
COMBINATION METER SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of METER M&A with CONSULT. Refer to
Is any DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
.
NO
>> Refer to
GI-39, "Intermittent Incident"
.
CONSULT Display
DTC Detection Condition
Probable Cause
VDC CAN CIR2
[U0415]
When the vehicle speed signal received from the
ABS actuator and electric unit (control unit) re-
mains abnormal for 2 seconds or more.
• ABS system
• Combination meter system
• CAN bus harness
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