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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Engine Control System Diagnosis - 3.3L (7 Of 9)) >> DTC P0A1A-00: Generator Control Module >> Wiring Inspection >> Signal Circuit Inspection >> Check for an open circuit

Check for an open circuit

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  1. Turn off the ignition switch.
  2. Disconnect the alternator and ECM connector.
  3. Measure the resistance from the both of alternator signal terminal in the harness connector.

    Specification:  Approximately 0 Ω

  4. Is resistance within specification?

    YES 

    • Go to "Check for short circuit" procedure.

    NO 

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