SFI SYSTEM, Diagnostic DTC:P1607

DTC Code DTC Name
P1607 Cruise Control Input Processor

DESCRIPTION

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store DTC(s) immediately.

DTC Code DTC Detection Condition Trouble Area
P1607 The ECM CPUs malfunction. ECM

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC


    1. Clear DTC Click here.

    2. Turn the engine 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 engine switch on (IG).

    6. Check DTC.

      OK
      P1607 is not output.

    NG

    REPLACE ECM Click here

    OK

    CHECK FOR INTERMITTENT PROBLEMS Click here