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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 P1230-00: Low Pressure Fuel Pump Malfunction >> Wiring Inspection >> Three phase control Circuit Inspection >> Short to power check

Short to power check

WARNING: This page is about a different variant/trim than selected.
  1. IG "OFF". Disconnect FECM, fuel pump connector.
  2. IG "ON".
  3. Measure each harnesses' voltage of three phase control circuit (U, V, W) between FECM and chassis ground.

    Specification:  Approx. 0V

  4. Is the measured voltage within specification?

    YES 

    NO