DTC P0724: Brake Switch "B" Circuit High [08/2013 - 08/2016]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary / Stop Light Switch.

   Powertrain > Engine and ECT > Data List 

   Tester Display
   Stop Light Switch

5. Read the values displayed on the Techstream.

   OK

   Techstream Display	Measurement Item/Range (display)	Normal Condition
   Stop Light Switch	Stop light switch status: ON or OFF	ON: Brake pedal depressed OFF: Brake pedal released

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [08/2013 - ] 

Result:  2

NG 

See step  2

1. Check the stop light switch assembly installation.

   Refer to INSTALLATION [08/2013 - ] .

   OK

   Stop light switch assembly is installed correctly.

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

SECURELY REINSTALL STOP LIGHT SWITCH ASSEMBLY. Refer to  INSTALLATION [08/2013 - ] 

Result:  1

OK 

See step  3

1. Inspect the stop light switch assembly.

   Refer to INSPECTION [08/2013 - ]

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPLACE STOP LIGHT SWITCH ASSEMBLY. Refer to  REMOVAL [08/2013 - ] 

Result:  1

OK 

See step  4

1. Disconnect the ECM connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Brake Pedal Depressed	*b	Brake Pedal Released
   *c	Front view of wire harness connector (to ECM)	-	-

2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Brake Pedal Operation	Specified Condition
   A40-9 (STP) - Body ground	Released	Below 1.5 V
   	Depressed	7.5 to 14 V

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE ECM. Refer to  REMOVAL [08/2013 - 08/2016] 

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - ECM)