VEHICLE STABILITY CONTROL SYSTEM(for TMC Made) Slip Indicator Light does not Come ON

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter via CAN communication.

The Slip indicator light blinks during VSC, TRC operation.

If any of the following is detected, the Slip indicator light remains on:

• The skid control ECU (brake actuator assembly) connectors are disconnected from the brake actuator.

• There is a malfunction in the skid control ECU (brake actuator assembly) internal circuit.

• There is an open in the harness between the combination meter and the skid control ECU (brake actuator assembly).

• The VSC, TRC control system is defective.

  Tech Tips

  In some cases, the intelligent tester cannot be used when the skid control ECU (brake actuator assembly) is abnormal.

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON Click here.

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

   
   

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

      Result

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   
   

   B

   CHECK CAN COMMUNICATION SYSTEM Click here

   A

2. CHECK SLIP INDICATOR LIGHT

   
   

   1. Disconnect the skid control ECU connector.

   2. Turn the ignition switch to ON.

   3. Check that the Slip indicator light comes on.

      Result

      Result	Proceed to
      NG	A
      OK (for LHD)	B
      OK (for RHD)	C

   
   

   B

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here

   C

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here

   A

3. READ VALUE USING INTELLIGENT TESTER (SLIP INDICATOR LIGHT)

   
   

   1. Turn the ignition switch off.

   2. Connect the intelligent tester to the DLC3.

   3. Turn the ignition switch to ON.

   4. Turn the tester on.

   5. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

   6. According to the display on the tester, read the Data List.

      ABS/VSC/TRC

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Slip Indicator Light	Slip indicator light / ON or OFF	OFF	-

   7. When performing the Slip Indicator Light Active Test, check Slip Indicator Light in the Data List.

      ABS/VSC/TRC

      Tester Display	Test Part	Control Range	Diagnostic Note
      Slip Indicator Light	Slip indicator light	Indicator light ON/OFF	Observe the combination meter.

      Result

      Result		Proceed to
      Data List Display	Data List Display when Performing Active Test ON/OFF Operation
      ON	Changes between ON and OFF	A
      	Does not change between ON and OFF (for LHD)	B
      	Does not change between ON and OFF (for RHD)	C
      OFF	Changes between ON and OFF	A
      	Does not change between ON and OFF (for LHD)	B
      	Does not change between ON and OFF (for RHD)	C

   
   

   A

   REPLACE COMBINATION METER ASSEMBLY Click here

   B

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here

   C

   REPLACE BRAKE ACTUATOR ASSEMBLY Click here