CRUISE CONTROL SYSTEM DIAGNOSIS SYSTEM


  1. DESCRIPTION

    The hybrid vehicle control ECU controls the cruise control system of the vehicle. The data and DTCs relating to the cruise control system can be read from the DLC3 of the vehicle. Use the GTS to check and solve the problem.

    Tech Tips

    If a vehicle speed sensor, stop light switch or any other related part malfunctions, the hybrid vehicle control ECU cancels cruise control operation automatically.

  2. CHECK DLC3


    1. Check the DLC3 Click here.

  3. CHECK INDICATOR


    1. Turn the ignition switch to ON (IG).

    2. A004FTJC07
      *1 Cruise Control Indicator Light
      *2 Master Warning Light

      for TFT Display Type:

      When a malfunction occurs in the cruise control system, the system turns off the cruise control indicator light and the master warning light illuminates at the same time a "pong" sound is heard. Also, "Check Cruise Control System" is displayed in the combination meter assembly and the ECM stores DTCs.

      Note


      • When the system returns to normal, the "Check Cruise Control System" display in the combination meter assembly disappears.

      • Do not remove any fuses or disconnect any cables from the battery terminals until the data stored in the ECUs is cleared.

    3. A004E73C48
      *1 Cruise Control Indicator Light

      for Segment Display Type:

      When a malfunction occurs in the cruise control system, the system turns off the cruise control indicator changes yellow.

      Note

      Do not remove any fuses or disconnect any cables from the battery terminals until the data stored in the ECUs is cleared.