Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Malfunction Indicator Lamp: Description and Operation
ACTIVATION OF MALFUNCTION INDICATOR LIGHT
1. When the ignition switch is turned to ON (engine OFF), the malfunction indicator light in the combination meter illuminates.
NOTE: If the malfunction indicator light does not illuminate, perform diagnostics of the CHECK ENGINE light circuit or the combination meter
circuit. <Ref. to MALFUNCTION INDICATOR LIGHT DOES NOT COME ON, Malfunction Indicator Light.> See: Testing and
Inspection/Symptom Related Diagnostic Procedures/Diagnosis By Symptom/Malfunction Indicator Lamp (MIL) Does Not Come ON
2. After starting the engine, the malfunction indicator light goes out. If it does not, either the engine or the emission control system has a problem.
3. If the diagnostic system detects a misfire which could damage the catalyst, the malfunction indicator light will blink at a cycle of 1 Hz.
