Monitor Scantool Data

Connect GDS to data link connector(DLC).
Ignition "ON" & Engine "OFF".
Monitor the "OPI service data" parametesr on the GDS.
Drive the vehicle with ISG mode.

Fig 1: Display - OPI Service Data Review (ISG Not Working)
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Display - OPI Service Data Review (ISG Working)
Courtesy of KIA MOTORS AMERICA, INC.
Does "OPI service data" follow the referance data?
YES

Fault is intermittent caused by poor contact in the sensor's and/or TCM(PCM)'s connector or was repaired and TCM(PCM) memory was not cleared.

Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO

Go to "W/HARNESS INSPECTION " procedure.