Brake Hold Operated Indicator Light Circuit: Procedure

1. Check that the brake hold standby indicator light operates normally. Refer to 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 following procedures. Refer to SYSTEM DESCRIPTION .

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Select the Active Test mode on the Techstream.
   COMBINATION METER
   
   

   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 Techstream.

   OK

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

NG → See step   4 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Select the Active Test mode on the Techstream.
   ABS/VSC/TRAC
   
   

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

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

   OK

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

NG → See step   5 

OK → See step   6