There is a way to do a Crank Relearn with no Scan tool.

The instructions may not apply to all vehicles.They're close to how it's done on most cars.

Make sure there are no trouble codes in the computer's memory by connecting a scanner.

The relearn function will be disabled if there is a power train trouble code other than P1336.

When the engine is cold, make sure to check the coolant and oil levels.

1.Block the drive wheels with the parking brake.The hood needs to be closed.2.Make sure the engine's coolant temperature is at least 158 degrees F.The engine should be turned off for at least 10 seconds.4.Pick the crankshaft position variation learn procedure.5.The transmission needs to be in Park.Start the engine.6.Hold the pedal firmly while applying the brakes.7.Follow the instructions.

You are going to increase the engine speed to between 3000 and 5000rpm.It is important to release the throttle when the engine RPM starts to decrease as a result of the fuel cutoff going into effect.Failure to do so will cause the engine to be over revved.

There are 8.The Diagnostic trouble code P1336 should be checked after the engine has returned to idling.The relearn procedure is complete if the case has been learned.Check for the presence of other power train codes if CASE has not been learned.If there is a problem, correct it.