Diagnostic Procedure
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK VDCCM REPLACEMENT HISTORY. | Is there history of VDCCM replacement by itself? | Go to step 2 . | Go to step 3 . |
| 2 CHECK VDCCM IDENTIFICATION SYMBOL. Check the identification symbol of the seal attached on the side of the VDCCM. < Refer to SPECIFICATION , General Description. > |
Is the identification symbol correct? | Go to step 4 . | Replace the VDCCM only. < Refer to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > |
| 3 CHECK VDCCM&H/U IDENTIFICATION SYMBOL. Check the identification symbol stamped on the upper part of the H/U. < Refer to SPECIFICATION , General Description. > |
Is the identification symbol correct? | Go to step 4 . | Replace the VDCCM&H/U. < Refer to VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) . > |
| 4 CHECK PARAMETER SELECTED IN VDCCM. < Refer to PARAMETER CHECK , OPERATION, Subaru Select Monitor. > |
Does the parameter registered in the VDCCM match the relevant vehicle? | Go to step 5 . | Select and register the correct parameter. < Refer to PARAMETER SELECTION , OPERATION, Subaru Select Monitor. > |
| 5 CHECK ECM SPECIFICATION. Check the ECM specification. |
Is the specification of ECM same as vehicle specification? | Go to step 6 . | Replace the ECM. < Refer to ENGINE CONTROL MODULE (ECM) Engine Control Module (ECM). > < Refer to ENGINE CONTROL MODULE (ECM) . > |
6 CHECK VDCCM&H/U.
|
Is the same DTC displayed? | Replace the VDCCM only. < Refer to REPLACEMENT , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). > | Go to step 7 . |
| 7 CHECK OTHER DTC DETECTION. | Is any other DTC displayed? | Perform the diagnosis according to DTC. < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | It results from a temporary noise interference. |