The difference is stored in the engine control module ECM as an adaption value. If this is the case, the control module checks the deviation between the camshaft position angle position and the crankshaft position angle position. During certain driving conditions, camshaft control is not active. Checking the camshaft position The control module checks that the 0 position of the camshaft mechanical rest position is correct. The control module uses the signals from the camshaft position sensor and engine speed RPM sensor crankshaft position for the diagnostics.
This Haynes Owners Workshop Manual contains also a maintenance schedule, technical specifications, torque wrench settings and tables for troubleshooting.Ĭlick here for more information about the Haynes Car Service and Repair Manuals Specs:ģ20 pages, 27 x 21 x 1.6 cm / 10.6 x 8.25 x 0.2008 Volvo2008 Volvo XC90 XC90 GGEENERNERAAL INL INFOFORMRMATATIOION AdmN Admiinisnisttrraationtion GENERAL INFORMATION Administration FAULT TRACING CAMSHAFT DIAGNOSTICS CVVT In addition to electrical checks of the camshaft reset valve, the engine control module ECM checks that the position of the camshaft is correct and that the control deployment and return of the camshaft is working satisfactorily.
0 kommentar(er)
