Inspection Procedure

1. Check if other DTCs are recorded. (See DTC CHECK/CLEAR  )

   Result 

   RESULT REFERENCE TABLE
   
   

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS  (See DIAGNOSTIC TROUBLE CODE TABLE  )

A: Go to Next Step 

HINT:

Replace the brake pedal sub-assembly when there is a malfunction in the brake pedal load sensing switch.

1. Disconnect the brake pedal load sensing switch connector B8.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   B8-2 (FSW+) - B8-1 (GND)	Depress brake pedal	Approx. 1,000 Ω
   	Release brake pedal	Approx. 213 Ω

   Fig 1: Identifying Brake Pedal Sub-Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE BRAKE PEDAL SUB-ASSEMBLY  (See REMOVAL )

OK: Go to Next Step 

1. Disconnect the skid control ECU connector S1 and the brake pedal load sensing switch connector B8.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE (1 OF 2)
   
   

   Tester Connection	Specified Condition
   S1 - 7 (FSW+) - B8-2 (FSW+)	Below 1 Ω

3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE (2 OF 2)
   
   

   Tester Connection	Specified Condition
   S1 - 7 (FSW+) - Body ground	10 kΩ or higher

   Fig 2: Identifying Skid Control ECU & Brake Pedal Load Sensing Switch Connector Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (SKID CONTROL ECU - BRAKE PEDAL LOAD SENSING SWITCH) 

OK: Go to Next Step 

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION TABLE
   
   

   Tester Connection	Specified Condition
   B8-1 (GND) - Body ground	Below 1 Ω

   Fig 3: Identifying Brake Pedal Load Sensing Switch Body Ground

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the brake pedal load sensing switch connector.
3. Connect the skid control ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BRAKE PEDAL LOAD SENSING SWITCH - BODY GROUND) 

OK: REPLACE BRAKE ACTUATOR ASSEMBLY  (See REMOVAL  )