Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL SYSTEM (DIAGNOSTICS)BASIC DIAGNOSTIC PROCEDUREPROCEDURE
2005 Subaru Outback i, Standard
Basic Diagnostic Procedure: Procedure
2005 Subaru Outback i, StandardSECTION Procedure
DIAGNOSTIC PROCEDURE CHART
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK MALFUNCTION INDICATOR LIGHT. Ensure the malfunction indicator light illuminates. |
Does the malfunction indicator light illuminate? | Go to step 5 . | Go to step 2 . |
| 2 CHECK CRUISE INDICATOR LIGHT. Ensure the cruise indicator light blinks. |
Does the cruise indicator light blink? | Go to step 5. | Go to step 3. |
| 3 CHECK CRUISE CONTROL MAIN SWITCH OPERATION. Check the cruise control main switch operation. (Ensure the cruise indicator light illuminates.) |
Is the cruise control main switch turned on? (Does the cruise indicator light illuminate?) | Go to step 4. | Go to phenomenon 1. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 4 CHECK CRUISE CONTROL SET OPERATION. Check the cruise control set operation. |
Can the cruise control be set while driving at more than 40 km/h (25 MPH)? | Go to step 6. | Go to step 5. |
| 5 PERFORM CRUISE CANCEL CONDITIONS DIAGNOSIS. Perform the cruise cancel conditions diagnosis. |
Is DTC displayed? | Go to "List of Diagnostic Trouble Code (DTC)". < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . |
Go to phenomenon 2. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 6 CHECK CRUISE SET INDICATOR LIGHT. Ensure the cruise set indicator light illuminates. |
Does the cruise set indicator light illuminate? | Go to step 7. | Go to phenomenon 3. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 7 CHECK VEHICLE SPEED IS HELD WITHIN SET SPEED. Make sure the vehicle speed is held within set speed. |
Is vehicle speed held within set speed +/-3 km/h (+/-2 MPH)? (Make an inspection on a level road.) |
Go to step 8. | Go to phenomenon 4. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 8 CHECK RESUME/ACCEL OPERATION. Check the RESUME/ACCEL switch operation. |
Does the vehicle speed increase or return to set speed after RESUME/ACCEL switch has been pressed? | Go to step 9. | Go to phenomenon 5. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 9 CHECK SET/COAST OPERATION. Check the SET/COAST switch operation. |
Does the vehicle speed decrease after SET/COAST switch has been pressed? | Go to step 10. | Go to phenomenon 6. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 10 CHECK CANCEL OPERATION. Check the CANCEL switch operation. |
Is the cruise control released after CANCEL switch has been pressed? | Go to step 11. | Go to phenomenon 7. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 11 CHECK CRUISE CONTROL RELEASE OPERATION. Check the cruise control release operation. |
Is the cruise control released after brake pedal has been depressed? | Go to step 12. | Go to phenomenon 8. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 12 CHECK CRUISE CONTROL RELEASE OPERATION. Check the cruise control release operation. |
Is the cruise control released after shifting to the neutral position? | Go to step 13. | Go to phenomenon 9. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
| 13 CHECK CRUISE CONTROL RELEASE OPERATION. Check the cruise control release operation. |
Is the cruise control released after depressing the clutch pedal? | Finish the diagnosis. | Go to phenomenon 10. < Ref. to , DIAGNOSTIC PROCEDURE WITH PHENOMENON , Diagnostics with Phenomenon.> |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.