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Home >> Toyota >> 2008 >> Sequoia Platinum, 4WD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control/Dynamic Control Systems >> Vehicle Stability Control System >> DTC C1203/53 ECM Communication Circuit Malfunction >> Inspection Procedure

Inspection Procedure

NOTE: When replacing the VSC actuator assembly, perform zero point calibration (See CALIBRATION  ).
  1. PERFORM TEST MODE INSPECTION 
    1. Perform a TEST MODE inspection (See TEST MODE PROCEDURE  ).
  2. RECONFIRM DTC 
    1. Clear the DTC (See DTC CHECK/CLEAR  ).
    2. Start the engine.
    3. Check if the same DTC is output (See DTC CHECK/CLEAR  ).

      Result 

      RESULT REFERENCE

      Result Proceed to
      DTC is output A
      DTC is not output B

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

    A: REPLACE VSC ACTUATOR ASSEMBLY  (See REMOVAL  )