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Home >> Toyota >> 2007 >> Yaris S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Automatic Transmission) >> Control Unit (Ram), Control Unit (ROM) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC 

    With CONSULT-II 

    1. Turn ignition switch ON and select "SELF-DIAG RESULTS" mode for A/T with CONSULT-II.
    2. Touch "ERASE".
    3. Perform "DTC CONFIRMATION PROCEDURE ".

    Is the "CONTROL UNIT (RAM)" or "CONTROL UNIT (ROM)" displayed again? 

    YES >> Replace TCM. Refer to "REMOVAL AND INSTALLATION ".

    NO >> INSPECTION END