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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Engine Control System Diagnosis - 3.3L (9 Of 9)) >> DTC P2503-00: AMS No Battery Charge >> System Inspection >> Check Generator circuit

Check Generator circuit

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  1. Start engine.
  2. Maintain ENG RPM of 2, 500 RPM for 2 minutes.
  3. Measure voltage between the battery terminal (+) and the battery terminal (-).

    Specification:  Approx. 12.5 ~ 14.7V

  4. Is the measured voltage within specification?

    YES 

    NO 

    • Check the tension of the drive belt. Check ENG RPM, fuses, terminals of the battery, all terminals of the generator. Check for a damaged harness and poor connections between the generator and battery. If no problems are found repair or replace the generator. go to "VERIFICATION OF VEHICLE REPAIR " procedure.