How to End a Troubleshooting Session (required after any troubleshooting)
NOTE: Reset the TCM with the HDS while the engine is stopped.
1. Turn the vehicle to the OFF (LOCK) mode.
2. Turn the vehicle to the ON mode, and wait for 30 seconds.
3. Turn the vehicle to the OFF (LOCK) mode, and disconnect the HDS from the DLC.
4. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on twice).
5. To verify that the problem is repaired, test-drive the vehicle for several minutes at speeds over 31 mph (50 km/h) or under the same conditions as those indicated by the freeze data.
1. Reset the PCM with the HDS .
2. Do the PCM idle learn procedure
3. Turn the vehicle to the OFF (LOCK) mode.
4. Disconnect the HDS from the data link connector.
NOTE: The PCM is part of the immobilizer system. If you replace the PCM, you must register the PCM to the keyless access system.