Nissan Maxima. Manual — part 855
MWI
B2267 ENGINE SPEED
MWI-35
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2267 ENGINE SPEED
Description
INFOID:0000000010049574
The engine speed signal is transmitted from ECM to the combination meter via CAN communication.
DTC Logic
INFOID:0000000010049575
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010049576
1.
PERFORM SELF-DIAGNOSIS OF ECM
Perform “Self Diagnostic Result” of ECM, and repair or replace malfunctioning parts.
>> Refer to
DTC
Display contents of
CONSULT
Diagnostic item is detected when ...
Probable malfunction location
B2267
ENGINE SPEED
ECM continuously transmits abnormal engine
speed signals for 2 seconds or more
• Crankshaft position sensor (POS)
• ECM
MWI-36
< DTC/CIRCUIT DIAGNOSIS >
B2268 WATER TEMP
B2268 WATER TEMP
Description
INFOID:0000000010049577
The engine coolant temperature signal is transmitted from ECM to the combination meter via CAN communi-
cation.
DTC Logic
INFOID:0000000010049578
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010049579
1.
PERFORM SELF-DIAGNOSIS OF ECM
Perform “Self Diagnosis Result” of ECM, and repair or replace malfunctioning parts.
>> Refer to
.
DTC
Display contents of
CONSULT
Diagnostic item is detected when ...
Probable malfunction location
B2268
WATER TEMP
ECM continuously transmits abnormal engine
coolant temperature signals for 60 seconds or
more
• Engine coolant temperature sensor
• ECM
MWI
POWER SUPPLY AND GROUND CIRCUIT
MWI-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
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POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000010049580
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check for blown combination meter fuses.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect combination meter connector.
2. Check voltage between combination meter harness connector
M24 terminals 1, 2, and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Check harness for open between combination meter and fuse.
3.
GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Check continuity between combination meter harness connector
terminals 3, 4, 23 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
BCM (BODY CONTROL MODULE)
Unit
Power source
Fuse No.
Combination meter
Battery 6
Ignition switch ON or START
4
Terminals
Ignition switch position
(+)
(–)
OFF
ON
START
Connector
Terminal
M24
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
0V
Battery
voltage
Battery
voltage
AWNIA1766ZZ
Terminals
Continuity
(+)
(–)
Connector
Terminal
M24
3
Ground
Yes
4
23
AWNIA1767ZZ
MWI-38
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000010062250
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link 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.
3. Check voltage between BCM harness connector and ground.
Is the measurement normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000010062251
Regarding Wiring Diagram information, refer to
.
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
H
11
10
24
7
Terminals
Voltage
(Approx.)
(+)
(
−)
BCM
Ground
Connector
Terminal
M16
1
Battery voltage
M17
11
M18
24
BCM
Ground
Continuity
Connector
Terminal
M17
13
Yes
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