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Home › Toyota › 2009 › Sienna CE › Repair and Diagnosis › External Pages › Different car › Section 7 (Brake Control/Dynamic Control System) › Vehicle Stability Control System › DTC C1201/51 Engine Control System Malfunction › Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ENGINE CONTROL SYSTEM 
    1. Check if the engine control system DTC is output (See DTC CHECK / CLEAR for 2AZ-FE, or DTC CHECK / CLEAR for 2ZR-FE).

      Result 

      RESULT CHART

      Result Proceed to
      DTC is not output (for 2AZ-FE) A
      DTC is not output (for 2ZR-FE) B
      DTC is output (for 2AZ-FE) C
      DTC is output (for 2ZR-FE) D

    B: REPLACE ECM (for 2ZR-FE)  (See REMOVAL )

    C: INSPECT ENGINE CONTROL SYSTEM (for 2AZ-FE)  (See DIAGNOSTIC TROUBLE CODE CHART )

    D: INSPECT ENGINE CONTROL SYSTEM (for 2ZR-FE)  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: REPLACE ECM (for 2AZ-FE)  (See REMOVAL )

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