CRUISE CONTROL SYSTEM, Diagnostic DTC:P0575

DTC Code DTC Name
P0575 Cruise Control Input Circuit

DESCRIPTION

This DTC indicates a malfunction in the hybrid vehicle control ECU assembly.

DTC No. DTC Detection Condition Trouble Area
P0575 Hybrid vehicle control ECU assembly has a supervisory CPU and control ECU inside. When each input STP signal is different for 0.15 seconds or more, this DTC is output. This DTC is also output after 0.4 seconds have passed from the time a cruise cancel input signal (STP input) is input to the hybrid vehicle control ECU assembly. Hybrid vehicle control ECU assembly

Tech Tips

The hybrid vehicle control ECU assembly receives signals from each sensor to control all the functions of the cruise control system with the supervisory CPU and control ECU. When a malfunction is detected, the fail-safe remains on until the power switch is turned off.

PROCEDURE


  1. CHECK FOR DTCs (DTC P0575)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTCs Click here.

    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 button).

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

    6. Enter the following menus: Powertrain / Cruise Control / Trouble Codes.

    7. Check the DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC P0575 is output B

    8. Turn the power switch off.


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here