Nissan Sentra. Instruction — part 651
MWI-50
< DTC/CIRCUIT DIAGNOSIS >
B2267 ENGINE SPEED
B2267 ENGINE SPEED
Description
INFOID:0000000009758269
The engine speed signal is transmitted from ECM to the combination meter via CAN communication.
DTC Logic
INFOID:0000000009758270
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758271
1.
PERFORM SELF-DIAGNOSIS OF ECM
Perform Self Diagnostic Result of ECM, and repair or replace malfunctioning parts.
>> Refer to
DTC
CONSULT
Detection condition
Possible malfunction location
B2267
TACHO METER
[B2267]
ECM continuously transmits abnormal engine
speed signals for 2 seconds or more
• Crankshaft position sensor (POS)
• ECM
MWI
B2268 WATER TEMP
MWI-51
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2268 WATER TEMP
Description
INFOID:0000000009758272
The engine coolant temperature signal is transmitted from ECM to the combination meter via CAN communi-
cation.
DTC Logic
INFOID:0000000009758273
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009758274
1.
PERFORM SELF-DIAGNOSIS OF ECM
Perform Self Diagnostic Result of ECM, and repair or replace malfunctioning parts.
>> Refer to
.
DTC
CONSULT
Detection condition
Probable malfunction location
B2268
WATER TEMP METER
[B2268]
ECM continuously transmits abnormal engine coolant
temperature signals for 60 seconds or more
• Engine coolant temperature sensor
• ECM
MWI-52
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000009758275
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check that the following fuses are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
POWER SUPPLY CIRCUIT CHECK
Check voltage between combination meter harness connector M24 terminals 15, 27, 28 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between combination meter harness connector M24 terminals 21, 22, 23 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis
Procedure
INFOID:0000000010288788
Regarding Wiring Diagram information, refer to
.
Unit
Power source
Fuse No.
Combination meter
Battery 8
Ignition switch ON or ACC
18
Ignition switch ON or START
3
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
START
Connector
Terminal
M24
27
Ground
Battery voltage
Battery voltage
Battery voltage
Battery voltage
15
0V
Battery voltage
Battery voltage
0V
28
0V
0V
Battery voltage
Battery voltage
Combination meter
Ground
Continuity
Connector
Terminal
M24
21
Yes
22
23
MWI
POWER SUPPLY AND GROUND CIRCUIT
MWI-53
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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. Disconnect BCM connector M85.
2. Check voltage between BCM connector M85 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 M85 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diag-
nosis Procedure
INFOID:0000000010288789
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.
Terminal No.
Signal name
Fuses and fusible link No.
88
Battery power supply
12 (10A)
90
G (40A)
BCM
Ground
Voltage
Connector
Terminal
M85
88
—
Battery voltage
90
BCM
Ground
Continuity
Connector
Terminal
M85
93
—
Yes
Terminal No.
Signal name
Fuses and fusible link No.
63
Battery power supply
12 (10A)
70
G (40A)
11
Ignition switch ACC or ON
18 (10A)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст