Dynamic Radar Cruise Control System Operation Check

Cruise Control System. Lexus Is250, Is220D. Gse20 Ale20
Cruise Control. Lexus Is250, Is220D. Gse20 Ale20

  1. INPUT SIGNAL CHECK

  1. INSPECT MODE SWITCH

  1. INSPECT STEERING PAD SWITCH ASSEMBLY

Dynamic Radar Cruise Control System -- Operation Check



INPUT SIGNAL CHECK
Lexus Is250, Is220D. Gse20 Ale20.Cruise Control.Cruise Control System.Dynamic Radar Cruise Control System Operation Check

  1. Connect the intelligent tester to the DLC3.

  2. Check the cruise control main switch using the DATA LIST function in the intelligent tester (ON-OFF, CANCEL, - (COAST)/SET, + (ACCEL)/RES (RESUME), and MODE).


INSPECT MODE SWITCH
Lexus Is250, Is220D. Gse20 Ale20

  1. Turn the cruise control engine switch on (IG).



    2. Lexus Is250, Is220D. Gse20 Ale20

  2. Turn the cruise control main switch on. Then push the main switch to MODE for 1 second or more to change to the constant speed control mode. Check that "NORM" is indicated on the display.

    NOTICE:
    Do not push any other switches before pushing the main switch to MODE. If another switch is pushed, turn the main switch off and repeat the procedure above.
    HINT:
    If a malfunction is detected, turn the engine switch off and repeat the procedure above.

INSPECT STEERING PAD SWITCH ASSEMBLY

  1. Turn the engine switch on (IG).

  2. Turn the cruise control main switch on.

  3. Turn on the distance control switch of the steering pad switch.



  4. Check that the indication of the vehicle-to-vehicle distance, which is shown on the multi-information display on the combination meter, changes from long to middle to short in that order.


    Lexus Is250, Is220D. Gse20 Ale20.Cruise Control.Cruise Control System.Dynamic Radar Cruise Control System Operation Check

    HINT:
    The indication is automatically set to long each time the engine is started.