CRUISE CONTROL SYSTEM(for 2AR-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 cruise control system is operating, the cruise control system control of vehicle speed is not canceled and approximately 0.4 seconds have elapsed since cruise cancel signal (STP signal) is input to the ECM.

  • When the ignition switch is ON, STP signals input to the ECM supervisory CPU and that input to the control ECU do not match for approximately 0.2 seconds or more.

 ECM

CAUTION / NOTICE / HINT

Note

Before replacing the ECM, refer to Service Bulletin.

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 ignition switch is turned off.

PROCEDURE


  1. CHECK FOR DTCs


    1. Clear the DTCs.


      Powertrain > Cruise Control > Clear DTCs

    2. Perform the following procedure.

      Tech Tips

      If the following procedure is not performed, the previously output DTC 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.

      3. Depress the brake pedal for 1 second or more.

    3. Check for DTCs.


      Powertrain > Cruise Control > 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