Check Injector For Normal Operation

Start engine.
Check that RPM decrease when performing the injector's actuation test.
Is there any cylinder with no change in RPM or only a small change in RPM?
YES
- Replace injector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Clear DTC and Test-drive under enable conditions. After the test, if this DTC is set, Go to "SYSTEM INSPECTION " procedure. If not, troubleshooting is completed.