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Home >> Lexus >> 2008 >> IS 250 AWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Starting (4GR-FSE) >> Smart Access System With Push-Button Start >> DTC B2283 Vehicle Speed Sensor Malfunction >> Inspection Procedure

Inspection Procedure

  1. CHECK DTC OUTPUT 
    1. Delete the DTC (See DTC CHECK / CLEAR  ).
    2. Check for DTC B2282 and DTC B2283.

      OK 

      DTC OUTPUT CHART

      Display (DTC output) Proceed to
      "DTC B2283" only A
      "DTC B2283" and "DTC B2282" are output B

      HINT:

      If DTC B2282 and DTC B2283 are output, perform troubleshooting for DTC B2282 first (See DTC B2282 VEHICLE SPEED SIGNAL MALFUNCTION  ).

    B: GO TO DTC CHART 

    A: Go to Next Step 

  2. CHECK OPERATION OF SPEEDOMETER 
    1. Drive the vehicle and check if the function of the speedometer in the combination meter is normal.

      OK: 

      Actual vehicle speed and the speed indicated on the speedometer are the same. 

      HINT:

      The vehicle speed sensor is functioning normally when the indication on the speedometer is normal.

    NG: COMBINATION METER SYSTEM

    OK: REPLACE POWER SOURCE CONTROL ECU