CRUISE CONTROL SYSTEM > Cruise Main Indicator Light Circuit

for Preparation Click here


DESCRIPTION

  1. 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.
  2. 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.

WIRING DIAGRAM


E149011E37


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.

  1. Turn the power switch on (IG).

  1. Turn the intelligent tester on.

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

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

    Combination Meter 
    intelligent tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Indicat. Lamp Cruise
    		Cruise control indicator light
    		ON / OFF
    		-

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



NG
REPLACE COMBINATION METER ASSEMBLY (Click here)
OK


2.READ VALUE USING INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.

  1. Turn the power switch on (IG).

  1. Turn the intelligent tester on.

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

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

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

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



NG
REPLACE POWER MANAGEMENT CONTROL ECU (Click here)
OK

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