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.
2008 Subaru Outback Base, StandardFACTORY OEM SERVICE PROCEDURE
Judgment Value
MALFUNCTION CRITERIA AND THRESHOLD VALUE REFERENCE
| Malfunction Criteria | Threshold Value |
|---|---|
| (1) Difference of CPU reading value of the throttle position sensor signal | ≤ 0.0858 V |
| (2) Difference of CPU read value of the accelerator pedal position sensor signal | ≤ 0.35 V |
| (3) WD pulse from sub CPU | WD pulse occur |
| (4) Communication between CPU | Possible to communicate |
| (5) |Throttle position sensor 1 opening angle - (Throttle position sensor 1 opening angle after passing amplifier) 1/4| | < 3° |
| (6) Cruise control cancel signal at brake ON | Cruise control cancel signal ON |
| (7) Brake switch 1, 2 signal | SW 1 and 2 are matched |
Time Needed for Diagnosis:
- 600 milliseconds
- 830 milliseconds
- 200 milliseconds
- 200 milliseconds
- 24 milliseconds
- 250 milliseconds
- 200 milliseconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Factory Service Tools
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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.