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Home >> Toyota >> 2012 >> 4Runner Trail >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0335-P1603)) >> SFI System >> DTC P0606: ECM / PCM Processor >> Procedure
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DTC P0606: ECM / PCM Processor: Procedure

  1. CHECK WHETHER DTC OUTPUT RECURS (P0606) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Clear the DTCs.
    5. Turn the ignition switch off.
    6. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
    7. Connect the cable to the negative (-) battery terminal.
    8. Turn the ignition switch to ON.
    9. Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
    10. Read the DTCs.
      RESULT

      Display (DTC Output) Proceed to
      P0606 A
      No DTC output B

    B → See step   2 

    A → See step   3 

  2. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS 
  3. REPLACE ECM. Refer to  REMOVAL 
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