Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK STEERING WHEEL. Drive the vehicle on a flat road. Park the vehicle straight. Check the steering wheel for deviation from center.	Is the deviation from the center of steering wheel less than 5°?	Go to step 2 .	Perform the centering adjustment of steering wheel.
2 CHECK DRIVING PLACE. Check if the vehicle ran the road with banks or sandy surface (which does not mean a dirt road).	Did the vehicle run the road with banks or sandy surface (which does not mean a dirt road)?	VDCCM&H/U may record DTC when the vehicle ran the road with banks or sandy surface (which does not mean a dirt road).	Go to step 3 .
3 CHECK OUTPUT OF STEERING ANGLE SENSOR WITH SUBARU SELECT MONITOR. Select {Current Data Display & Save} in Subaru Select Monitor. < Refer to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Read the steering angle sensor output displayed on display.	Does the steering angle sensor output value on the display vary in accordance with steering operation when turning the steering wheel to the right or left?	Go to step 4 .	Replace the steering angle sensor. < Refer to REPLACEMENT , Steering Angle Sensor. >
4 CHECK VDCCM&H/U. Turn the ignition switch to OFF. Connect all connectors. Clear the memory. < Refer to OPERATION , Clear Memory Mode. > Perform the Inspection Mode. < Refer to PROCEDURE , Inspection Mode. > Read the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC). >	Is the same DTC displayed?	Replace the VDCCM&H/U. < Refer to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) . >	Go to step 5 .
5 CHECK OTHER DTC DETECTION.	Is any other DTC displayed?	Perform the diagnosis according to DTC. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >	Temporary poor contact occurs.