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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Theft Deterrent / Keyless Entry) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> DTC B2277: Detecting Vehicle Submersion >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR DTC 
    1. Clear the DTC (See DIAGNOSIS SYSTEM  )
    2. Turn the engine switch on (IG)
    3. After 330 seconds have elapsed, check if the trouble occurs again

      OK: DTC B2277 is not output. 

    NG: REPLACE POWER SOURCE CONTROL ECU 

    OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

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