LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> K900 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (7 Of 8) >> DTC P2254-00: O2 Sensor Reference Ground Circuit/Open (Bank 2 Sensor 1) >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON", engine "ON".
HO2S#2 (B2/S1) connector 1 (Nernst Voltage) HO2S#2 (B2/S1) connector 3 (Virtual ground) Figure below
HO2S#2 (B2/S1) connector 4 (Trim Resister) HO2S#2 (B2/S1) connector 6 (Pumping Current)
G13134342Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good