ECM REMOVAL


  1. CHECK FOR COMPENSATION CODE

    Note


    • When the ECM is replaced, all of the existing injector compensation codes must be input into the new ECM and the learned value of the supply pump assembly must be input.


    1. Using the intelligent tester, check that the ID codes registered in the injector assemblies installed on each cylinder match the ECM Click here.

      If the codes do not match, correct the registered data and recheck the problem symptom by following the steps below.


      1. Using SST, manually correct the registered ID code Click here.

      2. Check if the same symptom occurs as when the vehicle was brought in.

        Tech Tips

        If the symptom does not occur, the problem may be caused by misregistration of an ID code.

  2. REMOVE ECM


    1. A01CIYG

      Disconnect the 4 ECM connectors.

    2. A01CJGJ

      Remove the 4 screws and the ECM cover.