VEHICLE STABILITY CONTROL SYSTEM Skid Control Buzzer Circuit

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.

The combination meter has a built-in skid control buzzer. The skid control buzzer sounds during VSC operation.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

   
   

   1. Check if CAN communication system DTCs are output Click here.

      Result
      Result Proceed to DTC not output A DTC output B

   
   

   B

   CHECK CAN COMMUNICATION SYSTEM Click here

   A

2. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER)

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Start the engine.

   3. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.

      ABS/VSC/TRC (Skid Control ECU)

      Tester Display	Test Part	Control Range	Diagnostic Note
      Buzzer	Skid control buzzer	Buzzer ON/OFF	Buzzer can be heard

   4. Check that the buzzer sounds or stops in accordance with the intelligent tester.

      Result
      Result Proceed to Buzzer does not sound or stop constantly A Buzzer sounds and stops B

   
   

   B

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here

   A

3. REPLACE COMBINATION METER ASSEMBLY

   
   

   1. Turn the ignition switch off.

   2. Replace the combination meter Click here.

   
   

   NEXT

4. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER)

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Start the engine.

   3. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.

      ABS/VSC/TRC (Skid Control ECU)

      Tester Display	Test Part	Control Range	Diagnostic Note
      Buzzer	Skid control buzzer	Buzzer ON/OFF	Buzzer can be heard

   4. Check that the buzzer sounds or stops in accordance with the intelligent tester.

      Result
      Result Proceed to Buzzer does not sound or stop constantly A Buzzer sounds and stops B

   
   

   B

   END

   A

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here