Nissan Sentra Service Manual: P1556, P1557 Battery temperature sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1556 or P1557 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
| P1556 | BAT TMP SEN/CIRC (BAT TMP SEN/CIRC) | Signal voltage from Battery temperature sensor remains 0.16V or less for 5 seconds or more. |
|
| P1557 | BAT TMP SEN/CIRC (BAT TMP SEN/CIRC) | Signal voltage from Battery temperature sensor remains 4.84V or more for 5 seconds or more. |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
- Start the engine and let it idle at least 10 seconds.
- Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Proceed to EC-386, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK BATTERY TEMPERATURE SENSOR POWER SUPPLY
- Turn ignition switch OFF
- Disconnect battery current sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between battery current sensor harness connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BATTERY TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
- Also check harness for short to ground.
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK BATTERY TEMPERATURE SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
- Also check harness for short to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK BATTERY TEMPERATURE SENSOR
Check the battery temperature sensor. Refer to EC-387, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component Inspection
1.CHECK BATTERY TEMPERATURE SENSOR
- Turn ignition switch OFF.
- Disconnect battery current sensor.
- Check the resistance between battery current sensor connector terminals.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
P1554 Battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1554
BAT CURRENT SENSOR
(Battery curr ...
P1564 ASCD Steering switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1564 is displayed with DTC P0605, first perform the trouble
diagnosis for DTC P0605. Refer to
EC-348, "DTC Logic".
DTC No.
CONSUL ...
Other materials:
Control Units and Electrical Parts
PRECAUTIONS
Never reverse polarity of battery terminals.
Install only parts specified for a vehicle.
Before replacing the control unit, check the input and output and
functions of the component parts.
Do not apply excessive force when disconnecting a connector.
Do not apply exce ...
Phone settings
To access the phone settings:
Press the [ ] button.
Touch the “Settings” key.
Touch the “Phone & Bluetooth” key.
Touch the “Phone Settings” key and adjust
the following settings as desired:
Sort Phonebook By:
Touch “First Name” or “Last Name” to
choose ...
Cleaning exterior
In order to maintain the appearance of your vehicle,
it is important to take proper care of it.
To protect the paint surfaces, please wash your
vehicle as soon as you can:
after a rainfall to prevent possible damage
from acid rain.
after driving on coastal roads.
when contaminants suc ...
