LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> DTC P1554 Battery Current Sensor >> Overall Function Check >> With GST
April 5, 2026: LEMON Manuals is launched! Read the announcement.

With GST

  1. Start engine and let it idle.
  2. Check voltage between ECM terminal 71 (battery current sensor signal) and ground for 10 seconds.

    The voltage should be above 2.3V at least once. 

  3. If NG, go to "DIAGNOSTIC PROCEDURE ".
    Fig 1: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor Signal) And Ground
    G04900652Courtesy of NISSAN NORTH AMERICA, INC.