FixVault

VSC Warning Light Remains ON: Wiring Diagram

Fig 1: VSC Warning Light Remains ON - Wiring Diagram (1 Of 2)
G04025025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: VSC Warning Light Remains ON - Wiring Diagram (2 Of 2)
G04025026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE: When replacing the ABS and TRACTION actuator assembly, perform zero point calibration (See CHECK FOR INTERMITTENT PROBLEMS  ).
  1. INSPECT CAN COMMUNICATION SYSTEM 
    1. Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM ).

      Result 

      RESULT REFERENCE

      Display (DTC Output) Proceed To
      DTC is not output A
      DTC is output B

      B : REPAIR CAN COMMUNICATION SYSTEM 

      A : GO TO NEXT STEP 

  2. INSPECT MULTIPLEX COMMUNICATION SYSTEM 
    1. Check if the multiplex communication system DTC is output (See DTC CHECK / CLEAR ).

      Result 

      RESULT REFERENCE

      Display (DTC Output) Proceed To
      DTC is not output A
      DTC is output B

      B : REPAIR MULTIPLEX COMMUNICATION SYSTEM 

      A : GO TO NEXT STEP 

  3. INSPECT IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED 
    1. Check if the skid control ECU connector is securely connected.

      OK: 

      The connector should be securely connected. 

      NG : CONNECT CONNECTOR TO ECU CORRECTLY 

      OK : Go to next step 

  4. INSPECT BATTERY 
    1. Check the battery voltage.

      Voltage: 

      11 to 14 V 

      NG : INSPECT CHARGING SYSTEM 

      OK : Go to next step 

  5. INSPECT COMBINATION METER ASSEMBLY 
    1. Check the combination meter assembly (See REMOVAL ).

      HINT:

      If troubleshooting has been carried out according to the problem symptoms table, refer back to the table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS TABLE  ).

      NG : REPLACE COMBINATION METER ASSEMBLY 

      OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY