Nissan Versa
Sedan Service Manual
Engine » Engine control system (EC) » P1551, P1552 battery current sensor
DTC Logic

DTC DETECTION LOGIC

DTC No.	Trouble diagnosis	DTC detecting condition	Possible cause
P1551	Battery current sensor circuit low input	An excessively low voltage from the sensor is sent to ECM.	Harness or connectors (Battery current sensor circuit is open or shorted.) (APP sensor 2 circuit is open or shorted.) (EVAP control system pressure sensor circuit is shorted.) [Crankshaft position sensor (POS) circuit is shorted.] (Refrigerant pressure sensor circuit is shorted.) Battery current sensor Accelerator pedal position sensor (APP sensor 2) EVAP control system pressure sensor Crankshaft position sensor (POS) Refrigerant pressure sensor
P1552	Battery current sensor circuit high input	An excessively high voltage from the sensor is sent to ECM.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

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

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> INSPECTION END

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