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 Does Not Go Off
DIAGNOSIS:
The malfunction indicator light circuit is shorted.
TROUBLE SYMPTOM:
Although malfunction indicator light comes on when the engine runs, DTC is not shown on the Subaru Select Monitor or general scan tool display.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. | Is DTC of engine or LAN system displayed? Ref. to OPERATION , Read Diagnostic Trouble Code (DTC). | Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) | Go to step 2 |
| 2 CHECK COMBINATION METER. Perform the self-diagnosis for combination meter system. Ref. to SELF-DIAGNOSIS DISPLAY MODE , OPERATION, Combination Meter System. |
Does the malfunction indicator light illuminate and go off normally? | Replace the ECM. Ref. to ENGINE CONTROL MODULE (ECM) | Replace the meter case assembly of combination meter. Ref. to COMBINATION METER |
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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.
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