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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Electrical >> Starter >> Starting >> Smart Access System With Push-Button Start >> DTC B2277 Detecting Vehicle Submersion >> Inspection Procedure

Inspection Procedure

  1. CHECK FOR WATER DAMAGE 
    1. Check the main body ECU, peripheral components, and wire harnesses for traces of water.

      OK: There are no traces of water. 

    NG: TAKE APPROPRIATE MEASURES AGAINST CAUSE OF WATER DAMAGE AND REPLACE MAIN BODY ECU 

    OK: Go to Next Step 

  2. CHECK DTC OUTPUT 
    1. Delete the DTCs (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 MAIN BODY ECU 

    OK: END