97-2003 Engine CASE learn procedure:

1. Turn the key to on position
2. Turn Tech II on
3. Select the Diagnostics Menu
4. Select Car Information (Year, Make, Engine, Etc.) (Make sure they enter 1998 as the year.) (Also you will be asked what type of product line/type. It is a single letter code. Which corresponds to the first letter in your VIN)
5. Select Special Functions.
6. Select Variable Crankcase Learn Procedure.
7. Follow On Screen Directions.

The Crankcase Learn Procedure is going to ask the Technician to do the following:

1. Put E-brake On.
2. Make sure car is in neutral or park.
3. Turn engine on
4. Rev Car to Rev Limiter (car will hit limiter at 3,000 RPM)
5. Wait about 5 seconds.
6. Rev Car to Rev Limiter (The car will this time hits about 5,500 to 6,000 RPM)
7. Wait about 5 seconds.
8. Car is done.

2004+ CASE learn procedure:

1. Turn the key to on position
2. Turn Tech II on
3. Select the Diagnostics Menu
4. Select Car Information (Year, Make, Engine, Etc.)
5. Select Special Functions.
6. Select Variable Crankcase Learn Procedure.
7. Follow On Screen Directions.

The Crankcase Learn Procedure is going to ask the Technician to do the following:

1. Put E-brake On.
2. Make sure car is in neutral or park.
3. Turn engine on.
4. Rev Car to Rev Limiter
5. Car is done.

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