CRUISE CONTROL SYSTEM, Diagnostic DTC:P0575, P0607

DTC Code DTC Name
P0575 Cruise Control Input Circuit
P0607 ECU Internal Malfunction

DESCRIPTION

This DTC indicates an abnormality in the ECM.

DTC No. Detection Item DTC Detection Condition Trouble Area
P0575 Cruise Control Input Circuit

When both of the following conditions are met:


  • Cruise control input signal abnormal

  • ECM internal cancel circuit malfunction

 ECM
P0607 ECU Internal Malfunction

When both of the following conditions are met:


  • Cruise control input signal abnormal

  • ECM internal circuit malfunction

 ECM

Tech Tips

The ECM receives signals from each sensor to control all functions of the cruise control system. When a trouble code is detected, the fail-safe function remains on until the ignition switch is turned off.

PROCEDURE


  1. CHECK FOR DTCs


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Clear the DTCs.

      Click here


      Powertrain > Cruise Control > Clear DTCs

    5. Perform the following to make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the malfunction cannot be detected.


      1. Drive the vehicle at a speed for which cruise control operation is possible.

      2. Turn the cruise control system on using the cruise control main switch (ON/OFF).

      3. Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.

    6. Check the DTCs.

      Click here


      Powertrain > Cruise Control > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE ECM for 1GR-FE: Click here
    REPLACE ECM for 2TR-FE: Click here
    REPLACE ECM for 1GD-FTV: Click here
    REPLACE ECM for 2GD-FTV: Click here
    REPLACE ECM for 1KD-FTV: Click here