LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2024 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) >> Warning Light Illumination Pattern >> Malfunction Indicator Light Does Not Go Off
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.

  1. CHECK DTC  .

    Read the DTC of [Engine] and LAN system using the Subaru Select Monitor or a general scan tool. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC for [Engine] or LAN system displayed? (Current code)

    Yes:  Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST . Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

    No:  Check the combination meter system. Ref. to COMBINATION METER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .