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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Automatic Transaxle System Diagnosis (PHEV) (2 Of 2)) >> DTC P1777-00: OPU (Oil Pump control Unit) Power Circuit Fault >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
G14966147Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
OPU connector 17, 18 (Memory power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the auxiliary battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
OPU connector 9, 14 (ground) Chassis ground - Approx. below 1Ω
  1. Disconnect the electrical connector(s) from the concerned component.
  2. Ignition "ON".
EOP low voltage connector 2 (power) Chassis ground - 5V
  1. Ignition "OFF".
  2. Disconnect the auxiliary battery (-) cable.
  3. Disconnect the electrical connector(s) from the concerned component.
EOP low voltage connector 1 (ground) Chassis ground - Approx. below 1Ω
EOP low voltage connector 5 (U) OPU connector 12 (U) Approx. below 1Ω
EOP low voltage connector 4 (V) OPU connector 5 (V) Approx. below 1Ω
EOP low voltage connector 3 (W) OPU connector 6 (W) ∞ (infinity)Ω
OPU connector 2 (P-CAN high) TCM connector 42 (P-CAN high) Approx. below 1Ω
OPU connector 1 (P-CAN low) TCM connector 41 (P-CAN low) Approx. below 1Ω

Good 

No Good