HINT: When a pressure in power supply system is released, reaction force becomes light and stroke becomes longer. (c) Check that the brake pedal becomes easy to depress. HINT: If the pedal does not become easy to depress, check and replace brake line and hydraulic brake booster. (d) Turn the ignition switch ON, and check the pump motor operation noise. HINT: If the pump motor does not operate, check and replace the wire harness and pump motor. gn (e) Connect the intelligent tester. (1) Connect the intelligent tester (with CAN VIM) to the DLC3. (2) Turn the ignition switch ON. (3) Select the "Active Test" mode on the intelligent tester. HINT:
Please refer to the intelligent tester operator's manual for further details. To protect the solenoids, the intelligent tester turns OFF automatically 2 seconds after every solenoid has been turned ON. (f) Check the front TRAC & VSC solenoid operation. (1) Select "SA1" and "SA2" on the intelligent tester. (2) With "SA1" and "SA2" turned ON simultaneously with the intelligent tester, depress the brake pedal with stable force and check that the pedal cannot be depressed. HINT: To protect the solenoids, the intelligent tester turns OFF automatically 2 seconds after every solenoid has been turned ON. If the pedal can be depressed, replace the hydraulic brake booster. NOTICE:
When operating the solenoid continuously, set the interval of more than 20 seconds. (3) Release the brake pedal. (4) When the solenoids are OFF, depress the brake pedal again and check that the brake pedal can be depressed. If the pedal cannot be depressed, replace the hydraulic brake booster. (g) Check the front ABS solenoid operation. (1) Select "SFRH" and "SFLH" on the intelligent tester. (2) With "SFRH" and "SFLH" turned ON simultaneously with the intelligent tester, depress the brake pedal with stable force and check that the brake pedal cannot be depressed. HINT: To protect the solenoids, the intelligent tester turned OFF automatically 2 seconds after every solenoid has been turned ON.
If the pedal can be depressed, replace the hydraulic brake booster. (3) Release the brake pedal when the solenoids are OFF, and ten check that the brake pedal can be depressed. If the pedal cannot be depressed, replace the hydraulic brake booster. (4) Release the brake pedal. After depressing and holding the brake pedal with stable force, turn the "SFRH" and "SFRR" solenoids ON simultaneously. HINT: To protect the solenoids, the intelligent tester turns OFF automatically 2 seconds after every solenoid has been turned ON. (5) When the solenoids are OFF, check that the brake pedal can be depressed. If the pedal cannot be depressed, replace the hydraulic brake booster.
(6) Release the brake pedal. After depressing and holding the brake pedal with stable force, turn the "SFLH" and "SFLR" solenoids ON simultaneously. HINT: To protect the solenoids, the intelligent tester turns OFF automatically 2 seconds after every solenoid has been turned ON. (7) When the solenoids are OFF, check that the brake pedal can be depressed. If the pedal cannot be depressed, replace the hydraulic brake booster. (h) Jack up and support the vehicle. (i) Release the parking brake lever. (j) Shift the transfer shift lever to "N" position and check that the rear wheels rotates by hand. cardia