Inspection Procedure

1. Check that the brake hold standby indicator light operates normally (see BRAKE HOLD STANDBY INDICATOR LIGHT CIRCUIT  ).
2. If the brake hold operated indicator light does not illuminate although the brake hold standby indicator light is illuminated, check that the following brake hold operation (maintaining brake oil pressure) conditions are met.
   • System is in operation standby state.
   • Shift position is not P or R
   • Driver is depressing brake pedal and vehicle is fully stopped
   • Driver is not depressing accelerator pedal
   • Vehicle is not on steep decline.

   HINT:

   For brake hold operation and completion condition details, refer to the "SYSTEM DESCRIPTION " procedures .

1. Connect the Intelligent tester or Techstream to the DLC3.
2. Turn the power switch ON (IG).
3. Select the ACTIVE TEST mode on the Intelligent tester or Techstream.
   1. Intelligent tester

      METER: 

      METER REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      HOLD INDIC	Brake hold operated indicator light	ON / OFF	Observe combination meter

   2. Techstream

      Combination meter: 

      COMBINATION METER REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      Indicat Hold	Brake hold operated indicator light	ON / OFF	Observe combination meter

4. Check that the brake hold operated indicator light turns on or off on the Intelligent tester or Techstream

   OK: The brake hold operated indicator light turns on or off in accordance with the Intelligent tester or Techstream. 

NG: GO TO METER AND GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)  (See HOW TO PROCEED WITH TROUBLESHOOTING ).

OK: Go to next step 

1. Connect the Intelligent tester or Techstream to the DLC3.
2. Turn the power switch ON (IG).
3. Select the ACTIVE TEST mode on the Intelligent tester or Techstream.
   1. Intelligent tester

      ABS/VSC: 

      ABS/VSC REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      BH OPERATED LGT	Brake hold operated indicator light	ON / OFF	Observe combination meter

   2. Techstream

      ABS/VSC/TRAC: 

      ABS/VSC/TRAC REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      BH Operated Light	Brake hold operated indicator light	ON/OFF	Observe combination meter

4. Check that the brake hold operated indicator light turns on or off on the Intelligent tester or Techstream.

   OK: The brake hold operated indicator light turns on or off in accordance with the Intelligent tester or Techstream. 

NG: REPLACE SKID CONTROL ECU  (See REMOVAL  ).

OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING ).