CRUISE CONTROL SYSTEM, Diagnostic DTC:P0500

DTC Code DTC Name
P0500 Vehicle Speed Sensor Malfunction

DESCRIPTION

The cruise control system uses the same vehicle speed signal that is sent to the ECM for the SFI system. If DTC P0500 is detected, perform diagnosis using the inspection procedure for DTC P0500 in the SFI system Click here for 2AR-FE, Click here for 2GR-FE or Click here for 1AZ-FE). The speed signal is converted for use by the cruise control inside the ECM. Both the SFI system and the cruise control system can set DTC P0500, however, the detection conditions of the two systems are different.

DTC No. DTC Detection Condition Trouble Area
P0500 The vehicle speed signal from the vehicle speed sensor stops for 0.14 sec. or more while the cruise control system is controlling vehicle speed.

  • Vehicle speed sensor

  • Vehicle speed sensor signal circuit

  • Combination meter assembly

  • ECM

WIRING DIAGRAM

Refer to SFI System (for 2AR-FE) Click here.

Refer to SFI System (for 2GR-FE) Click here.

Refer to SFI System (for 1AZ-FE) Click here.

INSPECTION PROCEDURE

This DTC may be output by the SFI system at the same time. In that case, perform troubleshooting for the SFI system first.

PROCEDURE


  1. CHECK FOR DTCs (DTC P0500)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester 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. With the shift lever in D, drive the vehicle for more than 10 seconds when the engine coolant temperature is more than 20°C (68°F).

    6. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC P0500 is output (for 2AR-FE) B
      DTC P0500 is output (for 2GR-FE) C
      DTC P0500 is output (for 1AZ-FE) D

    B

    GO TO SFI SYSTEM Click here

    C

    GO TO SFI SYSTEM Click here

    D

    GO TO SFI SYSTEM Click here

    A

    USE SIMULATION METHOD TO CHECK Click here