Component Inspection: Notes
■ Perform Injector Actuation Test
- Connect KDS/GDS to Data Link Connector (DLC).
- Ignition "ON" & Engine "OFF".
- Perform "Actuation Test" for Injector.
■ Injector Performance Inspection
- Ignition "OFF".
- Connect VMI to KDS/GDS and select "Oscilloscope".
- Connect Channel A positive probe to Pin No. 1 (-) and Channel B positive probe to Pin No. 2 (+) on the injector connector.
- Warm up the engine to normal operating temperature.
Specification: Refer to SIGNAL WAVEFORM & DATA
Courtesy of KIA MOTORS AMERICA, INC.
CH. A (-) - Injector MAX voltage 66.2V
CH. B (+) - Injector MAX voltage 63.8V
■ Injector Resistance Inspection
- Ignition "OFF".
- Disconnect Injector connector.
- Measure resistance between Pin No. 2 (High side) terminal and Pin No. 1 (Low side) terminal of the Injector. (component side)
Specification: Approx. 1.40Ω [25°C (77°F)]
■ Confirm Part Inspection
- Does the Injector operate properly? (Check variation)
YES
- Carefully re-do this troubleshooting guide steps.
NO
- If problem still occurs, replace Injector and perform "Resetting Adaptive Values" of Vehicle S/W Management below.
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure.