DTC P1607: Cruise Control Input Processor: Procedure

CHECK DTC OUTPUT (DTC P1607)
1. Clear the DTC. Refer toDTC CHECK / CLEAR .
2. Turn the ignition switch off.
3. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
4. Connect the cable to the negative (-) battery terminal.
5. Turn the ignition switch to ON.
6. Check DTC.
  OK
  
  P1607 is not output.
NG → See step 3

OK → See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS
REPLACE ECM. Refer to REMOVAL