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Basic Diagnostic Procedure: Procedure
CAUTION:
Remove foreign matter (dust, water, oil etc.) from the VDCCM&H/U connector during removal and installation.
NOTE:
- To check the harness for broken wires or short circuits, shake problem spot or connector.
- Refer to "Check List for Interview". <Ref. to
CHECK LIST FOR INTERVIEW . >
BASIC DIAGNOSTIC PROCEDURE
| Step |
Check |
Yes |
No |
1 CHECK PRE-INSPECTION.
- Ask the customer when and how the trouble occurred using the interview check list. <Ref. to
CHECK LIST FOR INTERVIEW . >
- Before performing diagnostics, check the component which might affect VDC problems. <Ref. to
INSPECTION , General Description.>
|
Is the component that might influence the VDC problem normal? |
Go to step 2. |
Repair or replace each component. |
2 CHECK INDICATION OF DTC.
- Turn the ignition switch to OFF.
- Connect the Subaru Select Monitor to the data link connector.
- Turn the ignition switch to ON and run the Subaru Select Monitor.
- Read the DTC using the Subaru Select Monitor. <Ref. to
OPERATION , Read Diagnostic Trouble Code (DTC).>
NOTE:
If the communication function of the Subaru Select Monitor cannot be executed normally, check the communication circuit. <Ref. to
COMMUNICATION FOR INITIALIZING IMPOSSIBLE , INSPECTION, Subaru Select Monitor.>
- Record all DTCs and freeze frame data.
|
Is DTC displayed on the Subaru Select Monitor? |
Go to step 4. |
Go to step 3. |
3 PERFORM GENERAL DIAGNOSTICS.
- Perform the inspection by referring to "General Diagnostic Table". <Ref. to
INSPECTION , General Diagnostic Table.>
- Perform the Clear Memory Mode. <Ref. to
OPERATION , Clear Memory Mode.>
- Perform the Inspection Mode. <Ref. to
PROCEDURE , Inspection Mode.>
- Read the DTC. <Ref. to
OPERATION , Read Diagnostic Trouble Code (DTC).>
- Check the DTC is not displayed.
|
Do the VDC warning light and ABS warning light go off after starting the engine? |
Finish the diagnosis. |
Check the combination meter circuit. <Ref. to
ABS WARNING LIGHT DOES NOT GO OFF , Warning Light Illumination Pattern.> <Ref. to
VDC WARNING LIGHT AND VDC OFF INDICATOR LIGHT DO NOT GO OFF , Warning Light Illumination Pattern.> |
4 PERFORM DIAGNOSIS.
- Refer to "List of Diagnostic Trouble Code (DTC)".
NOTE:
For the DTC list, refer to "List of Diagnostic Trouble Code (DTC)". <Ref. to
LIST , List of Diagnostic Trouble Code (DTC).>
- Correct the cause of trouble.
- Perform the Clear Memory Mode. <Ref. to
OPERATION , Clear Memory Mode.>
- Perform the Inspection Mode. <Ref. to
PROCEDURE , Inspection Mode.>
- Read the DTC. <Ref. to
OPERATION , Read Diagnostic Trouble Code (DTC).>
|
Is DTC displayed? |
Repeat step 4 until DTC is not shown. |
Finish the diagnosis. |