CRUISE CONTROL SYSTEM Cruise Main Indicator Light Circuit

DESCRIPTION

• When the power management control ECU detects a cruise control main switch signal, it sends it to the combination meter through CAN communication. Then the cruise control indicator light turns on.

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

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING GTS (CRUISE CONTROL INDICATOR LIGHT)

   
   

   1. Select the Active Test, use the GTS to generate a control command, and then check that the cruise control indicator light illuminates Click here.

      Combination Meter

      Item	Test Part	Control Range	Diagnostic Note
      Indic. Lamp Cruise	Cruise control indicator light	ON / OFF	-

      OK
      Cruise control indicator light turns on / turns off.

   
   

   NG

   GO TO METER / GAUGE SYSTEM Click here

   OK

2. READ VALUE USING GTS (CRUISE CONTROL INDICATOR LIGHT)

   
   

   1. Check the Data List for proper functioning of the cruise control indicator light Click here.

      Cruise Control

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

      OK
      When cruise control main switch operation is performed, the result will be the same as above.

   
   

   NG

   REPLACE POWER MANAGEMENT CONTROL ECU Click here

   OK

   PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here