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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (General) (STI) >> Diagnostic Procedure without Diagnostic Trouble Code (DTC) >> Check Si-Drive (SUBARU Intelligent Drive) System >> Notes
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Check Si-Drive (SUBARU Intelligent Drive) System: Notes

Diagnosis: 

SI-DRIVE mode does not switch.

CAUTION: Note that SI-DRIVE system operates the following controls when it switches the modes.
  1. Switches to S (Sport) mode when turning the engine OFF in S (Sport) or S# (Sport sharp) mode and then turning the engine ON again.
  2. Switches to I (intelligent) mode when turning the engine OFF in I (intelligent) mode and then turning the engine ON again.
  3. Switches to S (Sport) when the malfunction indicator light illuminates while the engine is running. In this case, Cannot switch to S# (Sport Sharp) or I (Intelligent) mode.
  4. Cannot switch to S# (Sport Sharp), when engine coolant temperature tells that overheating may occur. Switches to S (Sport) while driving in S# (Sport sharp) mode.
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