2005 Subaru Outback RFACTORY OEM SERVICE PROCEDURE

Diagnostic Method

Judge OK and clear NG when the malfunction criteria below are completed.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
(1) Difference of CPU on reading value of throttle position sensor signal Within 0.116 V
(2) Difference of CPU on reading value of accelerator position sensor signal Within 0.0615 V
(3) WD pulse from sub CPU WD pulse occur
(4) Communication between CPU Possible to communicate
(5) Difference of signal on connection of amplifier Within x 4+/-0.56 V
(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
(8) Throttle opening angle directing value Within the opening angle +3.5° which calculated from accelerator opening angle coefficient

Time Needed for Diagnosis: 

  1. 200 milliseconds
  2. 250 milliseconds
  3. 200 milliseconds
  4. 200 milliseconds
  5. 24 milliseconds
  6. 250 milliseconds
  7. 200 milliseconds
  8. 750 milliseconds

Malfunction Indicator Light Illumination:  Illuminates as soon as 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.