2014 NISSAN TEANA engine

MWI-28
< ECU DIAGNOSIS INFORMATION >
COMBINATION METER
VEHICLE SPEED CIRC
[B2205] The abnormal vehicl
e speed signal is input from the ABS actuator and electric unit (control
unit) for 2 seconds or more. MWI-55
TACHO METER
[B2267] If ECM continuously transmits abnormal engine speed signals for 2 seconds or more.
MWI-56
WATER TEMP METER
[B2268] If ECM continuously transmits abnormal engine coolant temperature signals for 60 sec-
onds or more. MWI-57
Display contents of CONSULT Diagnostic item is detected when... Refer to
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
B2205 VEHICLE SPEEDMWI-55
< DTC/CIRCUIT DIAGNOSIS >
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B2205 VEHICLE SPEED
DescriptionINFOID:0000000009461706
The ABS actuator and electric unit (control unit) provi des a vehicle speed signal to the combination meter via
CAN communication lines.
DTC LogicINFOID:0000000009461707
Diagnosis ProcedureINFOID:0000000009461708
1.CHECK COMBINATION METER INPUT SIGNAL
1. Start engine and select METER/M&A on CONSULT.
2. Using SPEED METER on DATA MONITOR, compar e the value of DATA MONITOR with speedometer
pointer of combination meter. Speedometer and DATA MONITOR indications should be close.
Is the inspection result normal?
YES >> Perform ABS actuator and electric uni t (control unit) self-diagnosis. Refer to BRC-33, "CONSULT
Function (ABS)".
NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation"
.
DTC CONSULT Detection condition Possible malfunction location
B2205 VEHICLE SPEED CIRC
[B2205] Malfunction is detected when an erroneous
speed signal is received for 2 seconds or
more. • Combination meter
• ABS actuator and electric unit (control unit)
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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
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)
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-74
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE WARNING CONTINUES DISPLAYING, OR DOES NOT DIS-
PLAY
THE OIL PRESSURE WARNING CONT INUES DISPLAYING, OR DOES
NOT DISPLAY
DescriptionINFOID:0000000009461742
• The low oil pressure warning message stays on when oil pressure is normal.
• The low oil pressure warning message stays off when oil pressure is low.
Diagnosis ProcedureINFOID:0000000009461743
1.CHECK COMBINATION METER INPUT
1. Start the engine and select METER/M&A on CONSULT.
2. Observe OIL W/L DATA MONITOR and the operation of the low oil pressure warning message in the
information display.
Is the inspection result normal?
YES >> Perform ECM self-diagnosis. Refer to (QR25DE) EC-77, "CONSULT Function" or (VQ35DE) EC-
601, "CONSULT Function".
NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation"
.
Component Condi tion CONSULT
Low oil pressure warning message Engine running OFF
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

MWI
THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY
MWI-75
< SYMPTOM DIAGNOSIS >
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THE PARKING BRAKE RELEASE WA RNING CONTINUES DISPLAYING,
OR DOES NOT DISPLAY
DescriptionINFOID:0000000009461744
• The parking brake warning is displayed while driving the vehicle even though the parking brake is released.
• The parking brake warning is not displayed even though driving the vehicle with the parking brake
depressed.
Diagnosis ProcedureINFOID:0000000009461745
1.CHECK PARKING BRAKE WARNING LAMP OPERATION
1. Start engine.
2. Check the operation of the brake warni ng lamp while operating the parking brake.
Is the inspection result normal?
YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> GO TO 2.
2.CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Check the parking brake switch signal circuit. Refer to MWI-63, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK PARKING BRAKE SWITCH UNIT
Perform a unit check for the parking brake switch. Refer to MWI-63, "Component Inspection"
.
Is the inspection result normal?
YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> Replace parking brake switch. Refer to PB-7, "Exploded View"
.
Condition Warning lamp status
Parking brake applied ON
Parking brake released OFF
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM