CRUISE CONTROL SYSTEM Cruise Main Indicator Light Circuit

DESCRIPTION

• The ECM detects a cruise control main switch signal and sends it to the combination meter assembly through CAN. Then the cruise main indicator light comes on.

• The cruise main indicator light circuit uses CAN for communication. If there is a malfunction in this circuit, check for DTCs in the CAN communication system before troubleshooting this circuit.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the tester on.

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

   5. Check the cruise main indicator light by performing the Active Test.

      Combination Meter

      Tester Display	Test Part	Control Range	Diagnostic Note
      Indicat. Lamp Cruise	Cruise main indicator light	OFF or ON	Confirm that the vehicle is stopped with the engine idling

      OK
      The cruise main indicator light blinks or goes off according to tester operation.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

2. READ VALUE USING INTELLIGENT TESTER

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the tester on.

   4. Enter the following menus: Powertrain / Cruise Control / Data List.

   5. Check the Data List for proper functioning of the cruise main indicator light.

      Cruise Control

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      CCS Indicator M-CPU	Cruise main indicator signal (Main CPU)/ON or OFF	ON: "Cruise" on OFF: "Cruise" off	-

      OK
      The display changes as shown above according to cruise control main switch operation.

      Result
      Result Proceed to OK A NG (for 2GR-FE) B NG (for 2AZ-FE) C

   
   

   B

   REPLACE ECM (for 2GR-FE) Click here

   C

   REPLACE ECM (for 2AZ-FE) Click here

   A

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