FixVault

Component Inspection

Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON", engine "ON"
HO2S#4 (B2/S2) connector 1 (sensor signal) HO2S#4 (B2/S2) connector 2 (sensor ground) figures 1 below.
G13051121Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good