LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1212 Through P2138 >> DTC P1551, P1552: Battery Current Sensor >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No. Trouble diagnosis name 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.)

    (Accelerator pedal position sensor 2 circuit is shorted.)

    [Camshaft position sensor (bank 1) circuit is shorted.]

    (Crankshaft position sensor circuit is shorted.)

    (EVAP control system pressure sensor circuit is shorted.)(1)

    [Exhaust valve timing control position sensor (bank 1) circuit is shorted.]

    (manifold absolute pressure sensor circuit is shorted.)

  • Battery current sensor
  • Accelerator pedal position sensor
  • Camshaft position sensor (bank 1)
  • Crankshaft position sensor
  • EVAP control system pressure sensor(1)
  • Exhaust valve timing control position sensor (bank 1)
  • manifold absolute pressure sensor
P1552 Battery current sensor circuit high input An excessively high voltage from the sensor is sent to ECM.
(1) Except for Mexico
scientia non olet · About LEMON Manuals