DYNAMIC RADAR CRUISE CONTROL SYSTEM Cruise Main Indicator Light Circuit

DESCRIPTION

When the cruise control switch is on, the CRUISE main indicator light and RADAR READY indicator turn on. These indicators indicate the control condition (presence or absence of a vehicle in front, vehicle-to-vehicle distance, and set vehicle speed) and fail-safe state through the CAN communication system. When there is a malfunction, the master warning light and CRUISE main indicator light turn on and vehicle-to-vehicle distance information is displayed on the combination meter as the alarm buzzer sounds. Items such as "CLEAN RADAR SENSOR", "CRUISE CONTROL NOT AVAILABLE", "CHECK CRUISE CONTROL SYSTEM" and "RADAR READY" are displayed in the multi-information display in the combination meter when ECM detects signals from each sensor and actuator and sends them to the combination meter via the CAN.

Tech Tips


  • If the vehicle in front in the same lane significantly decreases vehicle speed or another vehicle moves in front of your vehicle, adequate deceleration cannot be applied and the vehicle-to-vehicle distance will shorten. At this time, the system sounds the buzzer to warn the driver.

  • Each indicator in the dynamic radar cruise control uses CAN communication. Therefore, if there are any malfunctions in this circuit, check for DTCs in the CAN communication system before troubleshooting this circuit.

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CRUISE MAIN INDICATOR LIGHT)


    1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the combination meter operates.

      Combination Meter
      Tester Display Test Part Control Range Diagnostic Note
      Indicat. Lamp Cruise CRUISE main indicator light ON/OFF -
      OK
      CRUISE main indicator light turns on/off.

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    GO TO METER / GAUGE SYSTEM Click here