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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis >> Electrical >> Starter >> Starting (4GR-FSE) >> Smart Access System With Push-Button Start >> DTC B2277 Detecting Vehicle Submersion >> Inspection Procedure

Inspection Procedure

  1. CHECK FOR DTC 
    1. Delete the DTC (See DTC CHECK/CLEAR  ).

      HINT:

      After all DTCs are cleared, check if the trouble occurs again 30 seconds after the engine switch is turned on (IG).

    2. Check for DTCs again.

    OK: 

    No DTC is output. 

    NG: REPLACE POWER SOURCE CONTROL ECU 

    OK: CHECK INTERMITTENT PROBLEMS