NISSAN TEANA 2014 Service Manual

MWI-56
< DTC/CIRCUIT DIAGNOSIS >
B2267 ENGINE SPEED
B2267 ENGINE SPEED
DescriptionINFOID:0000000009461709
The engine speed signal is transmitted from ECM to the combination meter via CAN communication.
DTC LogicINFOID:0000000009461710
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000009461711
1.PERFORM SELF-DIAGNOSIS OF ECM
Perform Self Diagnostic Result of ECM, and repair or replace malfunctioning parts.
>> Refer to (QR25DE) EC-77, "CONSULT Function"
or (VQ35DE) EC-601, "CONSULT Function".
DTC CONSULT Detection condition Possible malfunction location
B2267 TACHO METER ECM continuously transmits abnormal engine
speed signals for 2 seconds or more • Crankshaft position sensor (POS)
•ECM
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
B2268 WATER TEMPMWI-57
< DTC/CIRCUIT DIAGNOSIS >
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B2268 WATER TEMP
DescriptionINFOID:0000000009461712
The engine coolant temperature signal is transmitted fr om ECM to the combination meter via CAN communi-
cation.
DTC LogicINFOID:0000000009461713
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000009461714
1.PERFORM SELF-DIAGNOSIS OF ECM
Perform Self Diagnostic Result of ECM, and repair or replace malfunctioning parts.
>> Refer to (QR25DE) EC-77, "CONSULT Function"
or (VQ35DE) EC-601, "CONSULT Function".
DTC CONSULT Detection condition Probable malfunction location
B2268 WATER TEMP METER ECM continuously transmits abnormal engine coolant
temperature signals for 60 seconds or more • Engine coolant temperature sensor
•ECM
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI-58
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis ProcedureINFOID:0000000009461715
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
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
1. Disconnect combination meter connector.
2. Check voltage between combination meter har ness connector M24 terminals 5, 21, 22 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Check continuity between combination mete r harness connector M24 terminals 1, 2 and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness or connectors.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis ProcedureINFOID:0000000009940932
Regarding Wiring Diagram information, refer to BCS-55, "Wiring Diagram".
Unit Power source Fuse No.
Combination meter Battery 13
25
Ignition switch ON or START 31
Terminals Ignition switch position
(+) (–) OFF ACC ON START
Connector Terminal
M24 22
GroundBattery voltage Battery voltage Battery voltage Battery voltage
21 0V 0V Battery voltage Battery voltage 5 0V Battery voltage Battery voltage 0V
Te r m i n a l s Continuity
(+)
(–)
Connector Terminal
M24 1
Ground Yes
2
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
POWER SUPPLY AND GROUND CIRCUITMWI-59
< DTC/CIRCUIT DIAGNOSIS >
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1. CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not 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. Disconnect BCM connector M21.
2. Check voltage between BCM connector M21 terminals 131, 139 and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
Check continuity between BCM connector M21 terminals 134, 143 and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness or connectors.
IPDM E/R (INTELLIGENT POWER DIST RIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000009940785
Regarding Wiring Diagram information, refer to PCS-21, "Wiring Diagram".
1. CHECK FUSIBLE LINKS
Check that the following fusible links are not blown.
Is the fusible link blown?
Terminal No. Signal name Fuse and fusible link No.
139 Fusible link battery power I (40A)
131 BCM battery fuse 1 (10A)
BCM GroundVo l ta g e
(Approx.)
Connector Terminal
M21 131
—Batteryvoltage
139
BCM Ground Continuity
Connector Terminal
M21 134
—Yes
143
Terminal No. Signal name Fusible link No.
1 Fusible link main E (80A)
2 Fusible link IPDM E/R A (250A), C (80A)
3 Fusible link ignition switch A (250A), B (100A), M (40A)
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MWI-60
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
YES >> Replace the blown fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect IPDM E/R connectors E16 and E17.
2. Check voltage between IPDM E/R connectors and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness or connectors.
3. CHECK GROUND CIRCUIT
1. Disconnect IPDM E/R connectors E18 and E63.
2. Check continuity between IPDM E/R connectors and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness or connectors.
IPDM E/R GroundVo l ta g e
(Approx.)
Connector Terminal
E16 1
—Batteryvoltage
2
E17 3
IPDM E/R Ground Continuity
Connector Terminal
E18 7 —Yes
E63 41
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
FUEL LEVEL SENSOR SIGNAL CIRCUITMWI-61
< DTC/CIRCUIT DIAGNOSIS >
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FUEL LEVEL SENSOR SIGNAL CIRCUIT
DescriptionINFOID:0000000009461718
The fuel level sensor unit and fuel pump detects the approx imate fuel level in the fuel tank and transmits the
fuel level signal to the combination meter.
Component Function CheckINFOID:0000000009461719
1.COMBINATION METER INPUT SIGNAL
1. Select METER/M&A on CONSULT.
2. Using FUEL METER of DATA MONITOR, compare the value of DATA MONITOR with fuel gauge pointer
of combination meter.
Does the data monitor value approxim ately match the fuel gauge indication?
YES >> Inspection End.
NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation"
.
Diagnosis ProcedureINFOID:0000000009461720
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Check combination meter and fuel level sensor uni t terminals (meter-side and harness-side) for poor con-
nection.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace terminals or connectors.
2.CHECK FUEL LEVEL SENSOR UNIT CIRCUIT
1. Disconnect combination meter harness connector M24 and fuel level sensor unit harness connector B42.
2. Check continuity between combination meter harne ss connector M24 and fuel level sensor unit and fuel
pump harness connector B42.
3. Check continuity between fuel level sens or unit and fuel pump harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
Fuel gauge pointer Fuel tank volume [L]
(Approx.)
Full 67.6 3/4 52.6
1/2 37.6
1/4 22.5
Empty 0.0
Fuel level sensor unit and fuel pump Combination meter Continuity
Connector Terminal Connector Terminal
B42 5 M24 27 Yes
Connector Terminal GroundContinuity
B42 5 No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI-62
< DTC/CIRCUIT DIAGNOSIS >
FUEL LEVEL SENSOR SIGNAL CIRCUIT
NO >> Repair or replace harness or connectors.
3.CHECK FUEL LEVEL SENSOR UNIT GROUND CIRCUIT
1. Check continuity between combination meter harnes s connector M24 and fuel level sensor unit and fuel
pump harness connector B42.
2. Check continuity between fuel level sens or unit and fuel pump harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connectors.
4.CHECK INSTALLATION CONDITION
Check fuel level sensor unit installation, and check whether the float arm interferes or binds with any of the
internal components in the fuel tank.
Is the inspection result normal?
YES >> Inspection End.
NO >> Install the fuel level sensor unit properly. Refer to FL-6, "Removal and Installation"
.
Component InspectionINFOID:0000000009461721
1.REMOVE FUEL LEVEL SENSOR UNIT
Remove the fuel level sensor unit. Refer to FL-6, "Removal and Installation"
.
>> GO TO 2
2.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP
Check the resistance between terminals 2 and 5.
1* and 2*: When float arm is in contact with stopper.
Is inspection result normal?
YES >> Inspection End.
NO >> Replace fuel level sensor unit and fuel pump. Refer to FL-6, "Removal and Installation"
.
Connector Terminal Connector Terminal Continuity
B42 2 M24 26 Yes
Connector Terminal GroundContinuity
B42 2 No
Te r m i n a l Float position
mm (in) Resistance value
(Approx.)
25 1* Empty 32.2 (1.3) 283
Ω
2* Full 148.8 (5.9) 51 Ω
AWNIA2646ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
PARKING BRAKE SWITCH SIGNAL CIRCUITMWI-63
< DTC/CIRCUIT DIAGNOSIS >
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PARKING BRAKE SWITCH SIGNAL CIRCUIT
DescriptionINFOID:0000000009461722
Transmits the parking brake switch signal to the combination meter.
Component Function CheckINFOID:0000000009461723
1.COMBINATION METER INPUT SIGNAL
1. Start engine.
2. Monitor BRAKE W/L in DATA MONITOR while applying and releasing the parking brake.
>> Inspection End.
Diagnosis ProcedureINFOID:0000000009461724
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK PARKING BRAKE SWITCH CIRCUIT
1. Disconnect combination meter harness connector M 24 and parking brake switch harness connector E35.
2. Check continuity between combination meter harness connector M24 terminal 12 and parking brake
switch harness connector E35 terminal 1.
3. Check continuity between combination meter harness connector M24 terminal 12 and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness or connector.
Component InspectionINFOID:0000000009461725
1.CHECK PARKING BRAKE SWITCH
Check continuity between parking brake s witch terminal 1 and switch case ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace parking brake switch. Refer to PB-7, "Exploded View"
.
Condition CONSULT
Parking brake applied : ON
Parking brake released : OFF
Combination meter Parking brake switch Continuity
Connector Terminal Connector Terminal
M24 12 E35 1 Yes
Combination meter GroundContinuity
Connector Terminal
M24 12 No
Component Terminal Condition Continuity
Parking brake switch 1 Parking brake applied Yes
Parking brake released No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI-64
< DTC/CIRCUIT DIAGNOSIS >
WASHER FLUID LEVEL SWITCH CIRCUIT
WASHER FLUID LEVEL SWITCH CIRCUIT
DescriptionINFOID:0000000009461726
Transmits the washer fluid level switch signal to the combination meter.
Diagnosis ProcedureINFOID:0000000009461727
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter harness connector M26 and washer fluid level switch harness connector E208.
3. Check continuity between combination meter harness connector M26 and washer fluid level switch har-
ness connector E208.
4. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.CHECK WASHER FLUID LEVEL SWITCH GROUND CIRCUIT
Check continuity between washer fluid level switch connector and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness or connectors.
Component InspectionINFOID:0000000009461728
1.CHECK WASHER FLUID LEVEL SWITCH
1. Turn ignition switch OFF.
2. Disconnect washer fluid level switch connector.
3. Check washer fluid level switch.
Is the inspection result normal?
Combination meter Washer fluid level switch Continuity
Connector Terminal Connector Terminal
M26 49 E208 1 Yes
Combination meter GroundContinuity
Connector Terminal
M26 49 No
Washer fluid level switch GroundContinuity
Connector Terminal
E208 2 Yes
Washer fluid level switch Condition Continuity
Te r m i n a l s
12 Washer fluid level switch ON Yes
Washer fluid level switch OFF No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
WASHER FLUID LEVEL SWITCH CIRCUITMWI-65
< DTC/CIRCUIT DIAGNOSIS >
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YES >> Inspection End.
NO >> Replace washer fluid level switch. Refer to WW-53, "Removal and Installation"
.
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