CRUISE CONTROL SYSTEM Cruise Main Indicator Light Circuit

DESCRIPTION

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

• The cruise control 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.

PROCEDURE

1. PERFORM ACTIVE TEST USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

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

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

      Combination Meter

      Tester Display	Test Part	Control Range	Diagnostic Note
      Indicat. Lamp Cruise	Cruise control indicator light	ON or OFF	-

      OK
      The display changes as shown above according to Active Test operation.

   
   

   NG

   GO TO METER / GAUGE SYSTEM Click here

   OK

2. READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

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

   5. Check the Data List to confirm proper function of the cruise control indicator light.

      Cruise Control

      Tester Display	Measurement Item	Normal Condition	Diagnostic Note
      Cruise Indicator	Cruise control indicator status	ON: Cruise control indicator illuminates OFF: Cruise control indicator turns off	-

      Result

      Result Proceed to The cruise control indicator illuminates and turns off according to the operation of the cruise control main switch (ON/OFF button) A The cruise control indicator does not illuminate but the Data List item Cruise Indicator changes according to the operation of the cruise control main switch (ON/OFF button) B The cruise control indicator does not illuminate and the Data List item Cruise Indicator does not change according to the operation of the cruise control main switch (ON/OFF button) C

   
   

   A

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

   B

   REPLACE COMBINATION METER ASSEMBLY Click here

   C

   REPLACE POWER MANAGEMENT CONTROL ECU Click here