DYNAMIC RADAR CRUISE CONTROL SYSTEM ROAD TEST

PROBLEM SYMPTOM CONFIRMATION(VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE)

1. 

   *a	ON/OFF
   *b	-SET

   Inspect the SET function.

   
   

   1. Turn the cruise control system on using the cruise control main switch (ON/OFF).

   2. Check that the cruise control indicator light illuminates in the combination meter assembly.

   3. Drive at a speed between approximately 50 km/h (31 mph) and 170 km/h (106 mph).

   4. 

      *1	Cruise Control Indicator Light (Vehicle-to-vehicle distance control mode)
      *2	Cruise Control SET Indicator Light

      Push the cruise control main switch to -SET.

   5. Check that the cruise control indicator light remains illuminated, the cruise control SET indicator light illuminates in the combination meter assembly and the set speed is displayed on the multi-information display.

   6. After releasing the switch, check that the vehicle maintains the set speed.

2. 

   *a	ON/OFF
   *b	-SET
   *c	+RES

   Inspect the + (ACCEL) function.

   
   

   1. Turn the cruise control system on using the cruise control main switch (ON/OFF).

   2. Drive at a speed between approximately 50 km/h (31 mph) and 170 km/h (106 mph).

   3. Push the cruise control switch to -SET.

   4. Check that vehicle speed increases while the cruise control main switch is pushed to +RES, and that the vehicle maintains the newly set speed when the switch is released.

   5. Push the cruise control main switch to +RES and then release it immediately. Check that the vehicle speed increases* (tap-up control).

      Tech Tips

      *: Constant speed control mode: increases by approximately 1.6 km/h (1 mph); vehicle-to-vehicle distance control mode: increases by approximately 5 km/h or 5 mph.

3. 

   *a	ON/OFF
   *b	-SET

   Inspect the - (COAST) function.

   
   

   1. Turn the cruise control system on using the cruise control main switch (ON/OFF).

   2. Drive at a speed between approximately 50 km/h (31 mph) and 170 km/h (106 mph).

   3. Push the cruise control main switch to -SET.

   4. Check that vehicle speed decreases while the cruise control main switch is pushed to -SET, and that the vehicle maintains the newly set speed when the switch is released.

   5. Push the cruise control main switch to -SET, and then release it immediately. Check that the vehicle speed decreases* (tap-down control).

      Tech Tips

      *: Constant speed control mode: decreases by approximately 1.6 km/h (1 mph); vehicle-to-vehicle distance control mode: decreases by approximately 5 km/h or 5 mph.

4. 

   *a	ON/OFF
   *b	-SET
   *c	CANCEL

   Inspect the CANCEL function.

   
   

   1. Turn the cruise control system on using the cruise control main switch (ON/OFF).

   2. Drive at a speed between approximately 50 km/h (31 mph) and 170 km/h (106 mph).

   3. Push the cruise control main switch to -SET.

   4. When any of the following are performed, check that control of vehicle speed by the dynamic radar cruise control system is canceled and that the normal driving mode (no control of vehicle speed by the dynamic radar cruise control system) resumes.

      
      

      • Depressing the brake pedal

      • Moving the shift lever from D to any other position

      • Pulling the cruise control main switch to CANCEL

      • Turning the cruise control system off using the cruise control main switch.

      The stored vehicle speed in the driving support ECU assembly is not maintained.

5. 

   *a	ON/OFF
   *b	-SET
   *c	+RES

   Inspect the RES (RESUME) function.

   
   

   1. Turn the cruise control system on using the cruise control main switch (ON/OFF).

   2. Drive at a speed between approximately 50 km/h (31 mph) and 170 km/h (106 mph).

   3. Push the cruise control main switch to -SET.

   4. Cancel control of vehicle speed by the dynamic radar cruise control system by performing any of the CANCEL functions (other than turning the dynamic radar cruise control system off using the cruise control main switch [ON/OFF]).

   5. After pushing the cruise control main switch to +RES while driving the vehicle at a speed of more than approximately 40 km/h (25 mph), check that the vehicle resumes the speed set prior to cancellation and that the cruise control SET indicator light comes on.

      Tech Tips

      The stored vehicle speed is retained even if vehicle speed drops below approximately 40 km/h (25 mph). The previously stored vehicle speed can be resumed by pushing the cruise control switch to +RES when the vehicle speed has returned to approximately 40 km/h (25 mph) or more.

PROBLEM SYMPTOM CONFIRMATION(CONSTANT SPEED CONTROL MODE)