Setting Flywheel Adaptation Using VOLVO System Tester

For an example of screen display during testing, see Figure.

1. Connect Volvo System Tester (VST).
2. Using VST, access MONITOR TEST scroll list. Find FLYWHEEL STATUS and FLYWHEEL ADAPTIVE values. Display will read F ADAP, F ADAP B, F ADAP C, etc. Values will display as a percentage. Example: F ADAP=0.0XXX%
3. Drive vehicle in 2nd or 3rd gear at engine speed of 2500-3500 RPM. Decelerate without using brake. Flywheel adaptive values should start to change on VST. Repeat process until values stop changing. FLYWHEEL STATUS should change to READY.
4. Shut off engine and allow to cool below 120°F (49°C). This puts engine in range to perform TRIP driving cycle.