Inspection Procedure

HINT:

Start the inspection from step 1 when using the hand-held tester and start from step 2 when not using the hand-held tester.

READ VALUE OF HAND-HELD TESTER
1. Connect the hand-held tester to the DLC3.
2. Start the engine.
3. Select the DATA LIST mode on the hand-held tester.
4. Read the value of the brake pedal load sensing switch displayed on the hand-held tester when depressing and releasing the brake pedal.
Standard:

Fig 1: Brake Pedal Operation Standard Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 3

OK: GO TO NEXT STEP.
RECONFIRM DTC
1. Check if other DTCs are recorded. (See PRE-CHECK )
  NO: Go to step 3
  
  YES: REPAIR CIRCUIT INDICATED BY OUTPUT CODE
INSPECT BRAKE PEDAL SUB-ASSY
NOTE: Do not disassemble the brake pedal sub-assy.

HINT:

Replace the brake pedal sub-assy 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 Fig 3 .
Standard:

Fig 3: Resistance Standard Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR BRAKE PEDAL SUB-ASSY (See ADJUSTMENTS )

OK: GO TO NEXT STEP.
CHECK HARNESS OR CONNECTOR (SKID CONTROL ECU - BRAKE PEDAL LOAD SENSING SWITCH)
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 Fig 5 .
  Standard:
  
  Fig 5: Resistance Standard Table (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in Fig 6 .
Standard:

Fig 6: Resistance Standard Table (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE ABS & TRACTION ACTUATOR ASSY (See REPLACEMENT )