Inspection Procedure

1. If the brake hold standby indicator light does not illuminate even though the brake hold switch is pushed, check that the brake hold function operation conditions are met
   1. The driver's door is closed.
   2. Driver's seat belt is fastened
   3. The engine hood is closed.
   4. The trunk is closed
   5. The system is normal.

      HINT:

      If a malfunction occurs in one of the following systems, the brake hold standby indicator light will blink If this occurs, perform troubleshooting on the malfunctioning system

      • Electronically Controlled Brake system
      • ABS system
      • VSC system
      • Electric parking brake system
      • Hybrid control system

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 (HOW TO PROCEED WITH TROUBLESHOOTING)  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: 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

      METER: 

      METER REFERENCE
      
      

      Tester Display	Test Part	Control Range	Diagnostic Note
      BRAKE HLD INDIC	Brake hold standby indicator light	ON/OFF	Observe combination meter

   2. Techstream

      Combination meter: 

      COMBINATION METER REFERENCE
      
      

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

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

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

   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: 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 STANDBY LGT	Brake hold standby 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 Standby Light	Brake hold standby indicator light	ON / OFF	Observe combination meter

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

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

NG: REPLACE SKID CONTROL ECU  (See REMOVAL  ).

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 DATA LIST mode on the Intelligent tester or Techstream.
   1. Intelligent tester

      Steering Pad Switch: 

      STEERING PAD SWITCH REFERENCE
      
      

      Tester Display	Measurement Item/ Range	Normal Condition
      BRAKE HOLD SW	Brake hold switch / ON or OFF	ON Brake hold switch ON OFF Brake hold switch OFF

   2. Techstream

      Steering Pad Switch: 

      STEERING PAD SWITCH REFERENCE
      
      

      Tester Display	Measurement Item/ Range	Normal Condition
      Brake Hold Switch	Brake hold switch / ON or OFF	ON Brake hold switch ON OFF Brake hold switch OFF

4. Check that the brake hold switch turns on or off on the Intelligent tester or Techstream.

   OK: The brake hold switch is operated, and the display changes as shown above. 

NG: REPLACE STEERING PAD SWITCH  (See REMOVAL ).

OK: REPLACE SKID CONTROL ECU  (See REMOVAL  ).