DYNAMIC RADAR CRUISE CONTROL SYSTEM Cruise SET Indicator Light Circuit

DESCRIPTION

• When the ECM detects a cruise control switch on signal from the cruise control switch, it sends it to the No. 1 meter ECU through CAN communication. Then the cruise control SET indicator light turns on.

• The cruise control SET 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.

PROCEDURE

1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SET INDICATOR LIGHT)

   
   

   1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the No. 1 meter ECU sub-assembly operates Click here.

      Combination Meter

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

      OK
      Indicator light turns on.

   
   

   NG

   GO TO METER / GAUGE SYSTEM Click here

   OK

2. READ VALUE USING INTELLIGENT TESTER (SET/COAST SWITCH)

   
   

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

      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
      On screen, each item changes between ON and OFF according to above chart.

   
   

   OK

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

   NG

   REPLACE HYBRID VEHICLE CONTROL ECU Click here