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Home >> Lexus >> 2014 >> LS 460 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P1603-U0319) & Circuit Tests) >> SFI System >> DTC P1607: Cruise Control Input Processor [09/2013 - ] >> Procedure
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DTC P1607: Cruise Control Input Processor [09/2013 - ]: Procedure

  1. CHECK DTC 
    1. Clear DTCs. Refer to DTC CHECK / CLEAR [09/2013 - ] .
    2. Turn the engine switch off.
    3. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. Refer to PRECAUTION [09/2013 - ] .
    4. Connect the cable to the negative (-) battery terminal. Refer to PRECAUTION [09/2013 - ] .
    5. Turn the engine switch on (IG) and turn the Techstream on.
    6. Wait 16 seconds or more.
    7. Check the DTCs.

      OK

      P1607 is not present.

    NG → See step   3 

    OK → See step   2 

  2. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [09/2013 - ] 
  3. REPLACE ECM. Refer to  REMOVAL [09/2013 - ]