2014 NISSAN TEANA sensor

EC-898
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1550 BATTERY CURRENT SENSOR
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to EC-898, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component InspectionINFOID:0000000009462758
1.CHECK BATTERY CURRENT SENSOR
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Disconnect battery negative cable.
4. Install jumper cable between battery negative terminal and body ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals under the following conditions.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-4, "How to Handle Battery".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 4 F79 66 Existed
ECM Voltage (V)
Connector +–
Te r m i n a l Te r m i n a l
F79 66 68 Approx. 2.5
JPBIA3287ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P1551, P1552 BATTERY CURRENT SENSOR
EC-899
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P1551, P1552 BATTERY CURRENT SENSOR
DTC LogicINFOID:0000000009462759
DTC DETECTION LOGIC
NOTE:
If DTC P1551 or P1552 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-885, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V with ignition
switch ON
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-899, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462760
1.CHECK BATTERY CURRENT SENSOR POWER SUPPLY
1. Disconnect battery current sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between battery cu rrent sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between battery current sensor harness connector and ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1551 Battery current sensor circuit
low input An excessively low voltage from the sen-
sor is sent to ECM. • Harness or connectors
(The sensor circuit is open or shorted.)
• Battery current sensor
P1552 Battery current sensor circuit
high input An excessively high voltage from the sen-
sor is sent to ECM.
Battery current sensor Ground Voltage (V)
Connector Terminal
F5 1 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-900
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1551, P1552 BATTERY CURRENT SENSOR
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to EC-904, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component InspectionINFOID:0000000009462761
1.CHECK BATTERY CURRENT SENSOR
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Disconnect battery negative cable.
4. Install jumper cable between battery negative terminal and body
ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals
under the following conditions.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-4, "How to Handle Battery".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 3 F79 68 Existed
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 4 F79 66 Existed
ECM Voltage (V)
Connector +–
Te r m i n a l Te r m i n a l
F79 66 68 Approx. 2.5
JPBIA3287ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P1553 BATTERY CURRENT SENSOREC-901
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P1553 BATTERY CURRENT SENSOR
DTC LogicINFOID:0000000009462762
DTC DETECTION LOGIC
NOTE:
If DTC P1553 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-885, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-901, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462763
1.CHECK BATTERY CURRENT SENSOR POWER SUPPLY
1. Disconnect battery current sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between battery cu rrent sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between battery current sensor harness connector and ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1553 Battery current sensor perfor-
mance The signal voltage transmitted from the
sensor to ECM is higher than the amount
of the maximum power generation. • Harness or connectors
(The sensor circuit is open or shorted.)
• Battery current sensor
Battery current sensor Ground Voltage (V)
Connector Terminal
F5 1 Ground Approx. 5
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 3 F79 68 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-902
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1553 BATTERY CURRENT SENSOR
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to EC-904, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component InspectionINFOID:0000000009462764
1.CHECK BATTERY CURRENT SENSOR
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Disconnect battery negative cable.
4. Install jumper cable between battery negative terminal and body ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals under the following conditions.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-4, "How to Handle Battery".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 4 F79 66 Existed
ECM Voltage (V)
Connector +–
Te r m i n a l Te r m i n a l
F79 66 68 Approx. 2.5
JPBIA3287ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P1554 BATTERY CURRENT SENSOREC-903
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P1554 BATTERY CURRENT SENSOR
DTC LogicINFOID:0000000009462765
DTC DETECTION LOGIC
NOTE:
If DTC P1554 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-885, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-903, "Component Function Check"
.
NOTE:
Use component function check to check the overall functi on of the battery current sensor circuit. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-903, "Diagnosis Procedure"
.
Component Function CheckINFOID:0000000009462766
1.PRECONDITIONING
TESTING CONDITION:
• Before performing the following procedure, confirm that battery voltage is more than 12.8 V at idle.
• Before performing the following procedure, confi rm that all load switches and A/C switch are turned
OFF.
>> GO TO 2.
2.PERFORM COMPONENT FUNCTION CHECK
With CONSULT
1. Start engine and let it idle.
2. Select “BAT CUR SEN” in “DATA MONITOR” mode with CONSULT.
3. Check “BAT CUR SEN” indication for 10 seconds.
“BAT CUR SEN” should be above 2,300mV at least once.
Without CONSULT
1. Start engine and let it idle.
2. Check voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-903, "Diagnosis Procedure"
Diagnosis ProcedureINFOID:0000000009462767
1.CHECK BATTERY CURRENT SENSOR POWER SUPPLY
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1554 Battery current sensor perfor-
mance The output voltage of the battery current
sensor is lower than the specified value
while the battery voltage is high enough. • Harness or connectors
(The sensor circuit is open or shorted.)
• Battery current sensor
ECM
Voltage (V)
Connector +–
Te r m i n a l
F79 66 68 Above 2.3 at least once
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-904
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1554 BATTERY CURRENT SENSOR
1. Disconnect battery current sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between battery current sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between battery current sensor harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to EC-904, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component InspectionINFOID:0000000009462768
1.CHECK BATTERY CURRENT SENSOR
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
Battery current sensor Ground Voltage (V)
Connector Terminal
F5 1 Ground Approx. 5
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 3 F79 68 Existed
Battery current sensor ECM Continuity
Connector Terminal Connector Terminal
F5 4 F79 66 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P1554 BATTERY CURRENT SENSOREC-905
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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3. Disconnect battery negative cable.
4. Install jumper cable between battery negative terminal and body ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals under the following conditions.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-4, "How to Handle Battery".
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
ECM
Voltage (V)
Connector +–
Te r m i n a l Te r m i n a l
F79 66 68 Approx. 2.5
JPBIA3287ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM