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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Electronically Controlled Brake System >> DTC C1442/44 Invalid Data Received from Deceleration Sensor; DTC C1443/34 Invalid Data Received from Yaw Rate Sensor >> Inspection Procedure

Inspection Procedure

NOTE: When replacing the yaw rate and acceleration sensor, perform zero point calibration (see CALIBRATION  ).
  1. CHECK FOR DTC 
    1. Clear the DTCs (see DTC CHECK/CLEAR  ).
    2. Start and idle the engine for 60 seconds, and then stop the engine.
    3. Check if the same DTC is output (see DTC CHECK/CLEAR  ).

      Result 

      RESULT CHART

      Result Proceed to
      DTCs C1442/44 and/or C1443/34 are output A
      DTCs C1442/44 and C1443/34 are not output B

      B: CHECK FOR INTERMITTENT PROBLEMS  (See HOW TO PROCEED WITH TROUBLESHOOTING )

      A: REPLACE YAW RATE AND ACCELERATION SENSOR (See  REMOVAL   ) 

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