Monitor GDS Data

Connect GDS to DLC (Data Link Cable).
Warm up the engine to normal operating temperature.
Check the "Current Data " about related DTC with GDS.

Fig 1: Engine Idle On Cold Condition
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Engine Idle After Warm Up Waveforms
Courtesy of KIA MOTORS AMERICA, INC.

A: HO2S (S1) performs Max Heater (Approx. 87%) after Engine Cold-start.

Lambda Control is performed after Engine Cold-start after 14 sec.
Are the parameters displayed correctly?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.