DYNAMIC RADAR CRUISE CONTROL SYSTEM Cruise SET Indicator Light Circuit

DESCRIPTION

• The driving support ECU turns on the SET indicator light by sending indicator output demand signals to the combination meter assembly via CAN communication.

• The cruise control SET indicator light illuminates when the cruise control system is controlling vehicle speed.

• The cruise control SET indicator light circuit uses CAN communication. If the cruise control SET indicator light is not functioning correctly, check for CAN communication DTCs before troubleshooting this circuit.

WIRING DIAGRAM

Refer to Cruise Main Indicator Light Circuit Click here.

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (METER DISPLAY 1)

   
   

   1. Connect the Techstream to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the Techstream on.

   4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

   5. Perform Active Test according to the display on the Techstream.

      Combination Meter

      Tester Display	Test Part	Control Range	Diagnostic Note
      Meter Display 1	Multi-information display	OFF or All	-

      OK
      The display changes in accordance with Active Test operation.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

2. READ VALUE USING TECHSTREAM (SET/COAST SWITCH)

   
   

   1. Connect the Techstream to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the Techstream on.

   4. Clear the DTCs.

   5. Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.

   6. Read the Data List according to the display on the Techstream.

      Radar Cruise

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      SET/COAST Switch	-/SET switch signal/ON or OFF	ON: -/SET switch on OFF: -/SET switch off	-

      OK
      When the cruise control main switch (-/SET switch) is operated, the display changes as shown above.

   
   

   NG

   REPLACE DRIVING SUPPORT ECU ASSEMBLY

   OK

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