SFI SYSTEM(w/ EGR 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 a DTC immediately.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Memory

P1607

Cruise Control Input Processor

ECM CPUs malfunction (1 trip detection logic).

ECM

Comes on

DTC stored

MONITOR STRATEGY

Required sensors/Components (Main)

ECM

Required sensors/Components (Related)

Cruise control

Frequency of Operation

Continuous

TYPICAL MALFUNCTION THRESHOLDS

Cruise control

Prohibited

When either condition below is met:

-

  • Cruise control

Operating

  • Low speed control

Operating

CONFIRMATION DRIVING PATTERN

  1. Turn the engine switch off.

  2. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

  3. Connect the cable to the negative (-) battery terminal.

  4. Turn the engine switch on (IG) and wait for 16 seconds or more.

PROCEDURE

  1. CHECK FOR DTC

    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the tester on.

    4. Clear DTCs.

      Click here

      Powertrain > Engine and ECT > Clear DTCs

    5. Turn the tester off.

    6. Turn the engine switch off.

    7. Disconnect the intelligent tester.

    8. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

    9. Connect the cable to the negative (-) battery terminal.

    10. Connect the intelligent tester to the DLC3.

    11. Turn the engine switch on (IG) and turn the tester on.

    12. Wait 16 seconds or more.

    13. Enter the following menus: Powertrain / Engine and ECT / DTC.

    14. Check for DTCs.

      Powertrain > Engine and ECT > Trouble Codes

      OK

      P1607 is not output.

      Result

      Result

      OK

      NG

    OK

    CHECK FOR INTERMITTENT PROBLEMS

    NG

    REPLACE ECM