Hyundai GENESIS COUPE BK 2010 Manual page 1065

3. Is the measured resistance within specification?
▶ Go to "Check open in harness" as follows.
▶ Repair short to ground in harness, and go to "Verification of Vehicle Repair" procedure.
■ Check open in harness
1. IG "OFF" and disconnect Ignition Coil connector and ECM connector.
2. Measure resistance between control terminal of Ignition Coil harness connector and IG Coil #1 control terminal of
ECM harness connector.
Specification : Below 1Ω
3. Is the measured resistance within specification?
▶ Go to "Component Inspection" procedure.
▶ Repair open in harness, and go to "Verification of Vehicle Repair" procedure.
Component Inspection
■ Check Ignition Coil
1. IG "OFF" and disconnect ignition coil connector.
2. Measure resistance between power and signal terminals of ignition coil connector.(Measurement "A")
3. Measure resistance between power terminal of ignition coil connector and out terminal of secondary ignition
coil.(Measurement "B")
Specification :
Resistance(Ω)
4. Is the measured resistance within specification?
▶ Substitute with a known - good ECM and check for proper operation. If the problem is
corrected, replace ECM and go to "Verification of Vehicle Repair" procedure.
▶ Substitute with a known - good Ignition Coil and check for proper operation. If the problem is
corrected, replace Ignition Coil and go to "Verification of Vehicle Repair" procedure.
Verification of Vehicle Repair
After a repair, it is essential to verify that the fault has been corrected.
1. Connect GDS and select "DTC" button.
There is a memory reset function on GDS that can erase optional parts automatically
detected and memorized by ECM. Before or after testing ECM on the vehicle, use this
function to reuse the ECM on the others
Primary Coil
0.62 ± 10%
(20°C/68°F)
Secondary Coil
7.0k ± 15%
(20°C/68°F)