Check Injector For Normal Operation

Start engine.
Check that RPM decreases when the injector is disabled during an 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.