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.
Malfunction Indicator Light Remains Blinking.
2005 Subaru Outback i, StandardSECTION Malfunction Indicator Light Remains Blinking.
DIAGNOSIS:
Test mode connector circuit is shorted.
TROUBLE SYMPTOM:
Malfunction indicator light blinks when test mode connector is not connected.
WIRING DIAGRAM:
TROUBLE SYMPTOM - MALFUNCTION INDICATOR LIGHT REMAINS BLINKING DIAGNOSIS
| Step | Check | Yes | No |
|---|---|---|---|
1. CHECK TEST MODE CONNECTOR.
|
Does the malfunction indicator light blink? | Go to step 2. | System is in good order.
NOTE:
Malfunction indicator light blinks when test mode connector is connected.
|
2. CHECK HARNESS BETWEEN ECM CONNECTOR AND CHASSIS GROUNDING TERMINAL.
|
Is the resistance less than 5 Ω? | Repair the short circuit in harness between ECM and test mode connector. | Replace the ECM. < Ref. to ENGINE CONTROL MODULE (ECM) . > |
RENDER: 1.0x
NO RELATED
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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.