LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 7) >> Engine (ECM) >> DTC P1552: Battery Current Sensor >> Confirmation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P1552 is displayed with DTC P0643, first perform the confirmation procedure (trouble diagnosis) for DTC P0643.

    Is DTC P0643 detected?

    YES

    Perform diagnosis for P0643. Refer to DTC Description .

    NO

    GO TO 2.

  2. PRECONDITIONING 

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

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is more than 8 V with ignition switch ON

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check 1st trip DTC.

    Is DTC P1552 detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END