Infiniti G35 (V35) Sedan. Manual — part 955
MWI
B2267 ENGINE SPEED
MWI-47
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
B2267 ENGINE SPEED
Description
INFOID:0000000000964387
The engine speed signal is transmitted from ECM to the unified meter and A/C amp. with CAN communica-
tion.
DTC Logic
INFOID:0000000000964388
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000964389
1.
PERFORM SELF DIAGNOSIS OF ECM
Perform “Self Diagnosis Result” of ECM, and repair or replace malfunctioning parts.
>> Refer to
EC-113, "CONSULT-III Function"
.
DTC
Display contents of
CONSULT-III
Diagnostic item is detected when ...
Probable malfunction location
B2267
ENGINE SPEED
If ECM continuously transmits abnormal en-
gine speed signals for 2 seconds or more
ECM
MWI-48
< COMPONENT DIAGNOSIS >
B2268 WATER TEMP
B2268 WATER TEMP
Description
INFOID:0000000000964390
The engine coolant temperature signal is transmitted from ECM to the unified meter and A/C amp. via CAN
communication.
DTC Logic
INFOID:0000000000964391
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000000964392
1.
PERFORM SELF DIAGNOSIS OF ECM
Perform “Self Diagnosis Result” of ECM, and repair or replace malfunctioning parts.
>> Refer to
EC-113, "CONSULT-III Function"
.
DTC
Display contents of
CONSULT-III
Diagnostic item is detected when ...
Probable malfunction location
B2268
WATER TEMP
If ECM continuously transmits abnormal en-
gine coolant temperature signals for 60 sec-
onds or more
ECM
MWI
POWER SUPPLY AND GROUND CIRCUIT
MWI-49
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000000964393
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector M53 terminals 1, 21 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between combination meter and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector M53 terminals 5, 15, 22 and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
UNIFIED METER AND A/C AMP.
UNIFIED METER AND A/C AMP. : Diagnosis Procedure
INFOID:0000000000964394
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between unified meter and A/C amp. harness connector M67 terminals 54, 41, 53 and ground.
Power source
Fuse No.
Battery
11
Ignition switch ON or START
4
Terminal No.
Signal name
Ignition switch position
Value (Approx.)
1
Battery power supply
OFF
Battery voltage
21
Ignition signal
ON
Battery voltage
5, 15, 22 - Ground
: Continuity should exist.
Power source
Fuse No.
Battery
6
Ignition switch ACC or ON
19
Ignition switch ON or START
3
MWI-50
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between unified meter and A/C amp. and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect unified meter and A/C amp. connector.
3.
Check continuity between unified meter and A/C amp. harness connector M67 terminals 55, 71 and
ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000000964395
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Terminal No.
Signal name
Ignition switch position
Value (Approx.)
54
Battery power supply
OFF
Battery voltage
41
ACC power supply
ACC
Battery voltage
53
Ignition signal
ON
Battery voltage
55, 71 - Ground
: Continuity should exist.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
K
11
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст