DYNAMIC RADAR CRUISE CONTROL SYSTEM(for 1AR-FE), Diagnostic DTC:P0575

DTC Code DTC Name
P0575 Cruise Control Input Circuit

DESCRIPTION

This DTC is stored when there is a malfunction in the ECM.

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

  • While the dynamic radar cruise control system is operating, the dynamic radar cruise control system control of vehicle speed is not canceled and approximately 0.4 seconds have elapsed after cruise cancel signal (STP signal) is received by the ECM.

  • When the engine switch is on (IG), STP signals received by the ECM supervisory CPU and that received by the control ECU do not match for approximately 0.2 seconds or more.

 ECM

CAUTION / NOTICE / HINT

Tech Tips

The ECM receives signals from each sensor to control all functions of the cruise control system. When a malfunction is detected, the fail-safe function operates until the engine switch is turned off.

PROCEDURE


  1. CHECK FOR DTCs (RADAR CRUISE 1)


    1. Clear the DTCs.

      Click here


      Powertrain > Radar Cruise1 > Clear DTCs

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

      Tech Tips

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


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

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

      3. Depress the brake pedal for 0.4 seconds or more.

    3. Check for DTCs.

      Click here


      Powertrain > Radar Cruise1 > Trouble Codes
      Result
      Result Proceed to
      DTC P0575 is not output. A
      DTC P0575 is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE ECM Click here