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Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Starter >> Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests) >> Smart Access System With Push-Button Start >> DTC B2277: Detecting Vehicle Submersion >> Procedure

DTC B2277: Detecting Vehicle Submersion: Procedure

  1. CHECK FOR WATER DAMAGE 
    1. Check the power source control 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 POWER SOURCE CONTROL ECU 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (POWER SOURCE CONTROL ECU - BODY GROUND) 
    1. Disconnect the ECU connector.
      GTY118689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection (Symbols) Condition Specified Condition
      J55-6 (GND2) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → REPLACE POWER SOURCE CONTROL ECU 

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