Inspection Procedure

1. Check if the CAN communication system DTC is output (see DIAGNOSTIC TROUBLE CODE CHART ).

   Result 

   RESULT REFERENCE
   
   

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

B: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: GO TO NEXT STEP 

1. Connect the intelligent tester or Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Select the ABS/VSC/TRAC "Warning Lamp" and "VSC Warning Lamp" in the ACTIVE TEST and operate the brake control (electronically controlled brake system/ VSC) warning light by the intelligent tester or Techstream.
   1. Intelligent tester

      Skid control ECU: 

      SKID CONTROL ECU
      
      

      Tester Display	Vehicle Condition/ Test Details	Control Range	Diagnostic Note
      Electronically Controlled Brake System WARN LAMP	Turns brake warning light / yellow (minor malfunction)	ON / OFF	Observe combination meter
      VSC WARN LAMP	Turns master warning light and multi-information display	ON / OFF	Observe combination meter

   2. Techstream

      Skid control ECU: 

      SKID CONTROL ECU
      
      

      Tester Display	Vehicle Condition/ Test Details	Control Range	Diagnostic Note
      Electronically Controlled Brake System Warning Lamp	Turns brake control warning light / yellow (minor malfunction)	ON / OFF	Observe combination meter
      VSC Warning Lamp	Turns master warning light and multi-information display	ON / OFF	Observe combination meter

4. Check that "ON" and "OFF" of the brake (electronically controlled brake system/VSC) warning lights / yellow (minor malfunction) are indicated on the combination meter when using the intelligent tester or Techstream.

   OK: The brake (electronically controlled brake system/ VSC) warning light / yellow (minor malfunction) turn on or off in accordance with the intelligent tester. 

   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  ).

OK: REPLACE SKID CONTROL ECU (See  REMOVAL   ) 

NG: GO TO NEXT STEP 

1. Check the combination meter (see HOW TO PROCEED WITH TROUBLESHOOTING ).

   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  (See REMOVAL )

OK: END