Symptoms - Automatic Level Control: Notes

Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Level Control Description and Operation .

Before diagnosing any Automatic Level Control (ALC) System symptoms, perform the ALC self-test. The ALC self-test will test the system operation and display any current fault codes. Refer to Diagnostic Trouble Code (DTC) Displaying  for instructions on activating the self-test and displaying fault codes.