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Home >> Kia >> 2023 >> Stinger GT-Line, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (15 Of 16) >> DTC U0109-F1: Lost Communication With Fuel Pump Control Module >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

G14974511Courtesy of KIA MOTORS AMERICA, INC.
CAN Communication Line Inspection
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON".
FPCM connector 6 (P-CAN high) Chassis ground - Fig.1
FPCM connector 5 (P-CAN low) Chassis ground -
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
ECM connector 77 (P-CAN high) ECM connector 60 (P-CAN low) Approx. below 1Ω
ICU connector 19 (P-CAN high) ICU connector 20 (P-CAN low) Approx. below 1Ω
FPCM connector 6 (P-CAN high) Chassis ground - ∞ (infinity)Ω
FPCM connector 5 (P-CAN low) Chassis ground - ∞ (infinity)Ω
G14974512Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

Module Circuit Inspection
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
  3. Ignition "ON".
FPCM connector 1 (power) Chassis ground - B+
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
FPCM connector 7, 8 (ground) Chassis ground - Approx. below 1Ω

Good 

No Good