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Home >> Subaru >> 2017 >> Impreza Base, 4D Sedan, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) >> Warning Light Illumination Pattern >> Malfunction Indicator Light Does Not Come On >> Trouble symptom

Malfunction Indicator Light Does Not Come On: Trouble symptom

When the ignition switch is turned to ON (engine OFF), malfunction indicator light does not illuminate.

Fig 1: Warning Light Illumination Pattern Diagnosis Flowchart (Malfunction Indicator Light ON)
G11257277Courtesy of SUBARU OF AMERICA, INC.
  1. CHECK DTC  .

Read the DTC of LAN system using the Subaru Select Monitor or a general scan tool. Ref. to LAN SYSTEM (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

Is DTC for LAN system displayed?

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

No: Replace the meter case assembly of combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>Combination Meter .