On-Vehicle Inspection

CONNECT INTELLIGENT TESTER
1. Connect the intelligent tester to the DLC3.
2. Start the engine and idle it.
3. Select the Active Test mode on the intelligent tester.
  HINT:
  
  Please refer to the intelligent tester operator's manual for further details.
CHECK ACTUATOR MOTOR OPERATION
NOTE: Do not keep a motor relay ON for more than 5 seconds. When operating it consecutively, wait 20 seconds between each operation.
1. Turn the motor relay ON and check the actuator motor operation noise.
2. Turn the motor relay OFF.
3. Fully depress the brake pedal and hold it for approximately 15 seconds. Check that the pedal's initial depth is maintained for the entire 15 seconds.
4. Turn the motor relay ON and check that the pedal does not pulsate.
5. Turn the motor relay OFF and release the pedal.
  
  Fig 1: Connecting Intelligent Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK RIGHT FRONT WHEEL OPERATION
NOTE:
- Be sure to follow the procedures below when turning ON a solenoid.
- Do not keep a solenoid ON for more than 10 seconds. When operating it consecutively, wait 20 seconds between each operation.
1. With the pedal depressed as much as possible, perform the following operations.
2. Turn the SFRH and SFRR solenoids ON simultaneously, and check that the pedal cannot be depressed further.
3. Turn the SFRH and SFRR solenoids OFF simultaneously, and check that the pedal can be depressed further.
4. Turn the motor relay ON. Check that the pedal returns to the "depressed as much as possible" position.
5. Turn the motor relay OFF and release the pedal.
CHECK OTHER WHEEL OPERATION
1. Using the same procedures, check the solenoids of the other wheels.
  NOTE: The pedal must be depressed if only the reduction solenoid SFLR, SRRR or SRLR is turned on.
  
  HINT:
  
  Left front wheel: SFLH, SFLR
  
  Right rear wheel: SRRH, SRRR
  
  Left rear wheel: SRLH, SRLR