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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC P2290: Injector Control Pressure Too Low >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF" and disconnect FRPS connector.
  2. Ignition "ON"
  3. Measure voltage between Pin No. 1 (Power) terminal of FRPS harness connector and chassis ground.

    Specification:  Approx 5V

  4. Is the measured voltage within specification?

    YES 

    • Go to "Signal Circuit Inspection" procedure below.

    NO