Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P1554 battery current sensor
DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis DTC detecting condition Possible cause
P1554 Battery current sensor performance The output voltage of the battery current sensor is lower than the specified value while the battery voltage is high enough.
  • 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

DTC CONFIRMATION PROCEDURE

1.PERFORM COMPONENT FUNCTION CHECK

Perform component function check. Refer to EC, "Component Function Check".

NOTE: Use component function check to check the overall function 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 >> Go to EC, "Diagnosis Procedure".

    More about «P1554 battery current sensor»:

    DTC Logic

    Component Function Check

    Diagnosis Procedure

    Component Inspection

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