LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC U1007: Lost Communication With OPU On P-CAN >> Wiring Inspection >> Module Circuit Inspection >> Power Circuit Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Circuit Inspection

  1. Ignition "OFF".
  2. Refer to ELECTRIC OIL PUMP (EOP) and OIL PUMP UNIT (OPU) and disconnect OPU connector.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 17, 18 (Memory Power), Pin No. 16 (ON/START Input) terminal of OPU harness connector and chassis ground.

    Specification  : B+

  5. Is the measured value within specification?

    YES 

    NO