How to do a crank Relearn on a car?
How to do a crank Relearn on a car?
On some vehicles, you enter the procedure on your scan tool and it wipes out the adaptive memory and starts to perform the relearn by itself. On other vehicles, you wipe out adaptive memory and then perform a specific drive cycle so the PCM can relearn. Refer to a shop manual for the exact procedure for your year, make, model and engine.
When to do a crankshaft variation relearn?
Crankshaft Variation Relearn Procedure must be performed if: • ECC was reprogrammed. • Crankshaft position sensor has been replaced. • ECC has been replaced. Follow the relearn procedure outlined below: 1. Install scan tool on Data Link Connector (DLC) located under the dash. Apply parking brake and block wheels. Insure hood is closed. 2.
When to do a crank relearn for a P0300?
When you see a P0300- car makers are now recommending a crank relearn before diagnosing a P0300 condition. They want you to eliminate the possibility of a timing chain stretch as the cause of the random misfire BEFORE you start digging into other possibilities. The exact procedure varies by car maker.
How to change the crankshaft position of a car?
1. Set the parking brake and block the drive wheels. Make sure that the hood is closed. 2. Start the engine and make sure that the engine coolant temperature is at least 158 degrees F. (70 degrees C.) 3. Turn the engine off for at least 10 seconds. 4. Select the crankshaft position variation learn procedure (CASE Learn)on your scanner. 5.
What do you call the crank position relearn?
The crank position relearn can be called a bunch of things. Crankshaft position variation learn.. 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) Select Special Functions.
Crankshaft Variation Relearn Procedure must be performed if: • ECC was reprogrammed. • Crankshaft position sensor has been replaced. • ECC has been replaced. Follow the relearn procedure outlined below: 1. Install scan tool on Data Link Connector (DLC) located under the dash. Apply parking brake and block wheels. Insure hood is closed. 2.
Are there any crank relearn instructions for cars?
These Crank Relearn Instructions may not apply to all vehicles. But they’re close to how it’s done on most cars. To perform the relearn, proceed as follows: Connect a scanner to make sure there are no trouble codes stored in the computer’s memory.
When does the crankshaft position sensor need to be relearn?
The PCM needs to learn the variability of the Crankshaft Position Sensor to better detect misfire conditions. Whenever the PCM is replaced, the Crankshaft Position Sensor Relearn procedure needs to be completed. The Crankshaft Position Sensor Relearn procedure requires the use of a scan tool that has this feature equipped.
