Hyundai GENESIS COUPE BK 2010 Manual page 1039

Fig.1) Normal waveforms of secondary coil at idle.
Fig.2) Normal data of Injection time at idle.
Fig.3) Abnormal data of Injection time when ignition coil (cylinder 2) open.
Monitor GDS Data
1. Connect GDS to Data Link Connector(DLC).
2. IG "ON".
3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
4. Read "DTC Status" parameter.
5. Is parameter displayed "Present fault"?
▶ Go to "Terminal and Connector inspection" procedure.
▶ Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was
repaired and ECM 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.