1.CHECK DTC. Read the DTC of VDC system using the Subaru Select Monitor. | Is a DTC related to VDC system or vehicle speed signal system detected- | Perform the diagnosis according to the DTC. List of Diagnostic Trouble Code (DTC) | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR |
2.CHECK LAN SYSTEM. Perform the diagnosis for LAN system using the Subaru Select Monitor. Basic Diagnostic Procedure | Is a DTC related to CAN communication detected- | Perform the diagnosis according to the DTC. List of Diagnostic Trouble Code (DTC) | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR |
3.CHECK VEHICLE SPEED SIGNAL. 1) Display the current data «Vehicle Speed» of the power steering control module using the Subaru Select Monitor. 2) Lift up the vehicle (so that the wheels turn freely), start the engine, and raise engine speed in gear. CAUTION: Be careful that no one is near the spinning tires and nothing gets caught in them. 3) Check for whether the data changes according to vehicle speed. | Is the data in sync with the vehicle speed- | It is possible that temporary poor communication occurs. Perform the Clear Memory Mode. Clear Memory Mode | Replace the steering gearbox. Electric Power Steering Gearbox |