Overview
This course describes the TEVES and the Bosch anti-lock brake systems and details ABS theory and operation. It describes the essential tools, equipment and manuals needed for proper service and effective troubleshooting. Also, explanations of drum brake and disc brake operation, diagnostic, and repair are presented.
Fifty-five interactions actively involve the learner in the training. Lesson interactions provide the learner opportunities to apply what he or she has learned. The computer assesses the learner's level of understanding of all learning objectives. All questions in this course are fully narrated. Narrations enhance comprehension and are welcome support for learners with reading skill deficits and when English is the learner's second language. When the learner answers a question incorrectly the computer provides remedial instruction and reviews the material until the learner can answer correctly. Mastery's exclusive Follow-up Review, standard in all Mastery Advantage courses, provides time-delayed reinforcement and review of the learner's newly acquired knowledge. The Follow-up Review enhances the transfer of newly acquired knowledge to the learner's long-term memory.
The Learner navigates through the course and its resources using the standard Mastery Control Bar. Course resources include a fully narrated glossary of terms. Each term is pronounced and its definition read aloud to the learner. A topical index provides a complete map to the instructional material. The learner can ask for all course information on any topic at any time during the lesson presentations. The learner can use the topical index as a reference source even after completing the course. Closed Captioning is included. A complete transcript of all audio and video files is also provided with this course. Use the transcript file in conjunction with MODIFY to simplify customizations.
Anti-Lock Brake Systems Theory and Operation
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Anti-lock brake theory of operation |
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The function of anti-lock brake systems |
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ABS components: microprocessor |
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Isolate - hold - dump |
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ABS programs |
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ABS components: wheel speed |
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ABS components: integral ABS actuators |
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ABS components: non-integral ABS actuators |
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ABS actuator solenoid valves |
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ABS components: brake switch |
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ABS components: motion sensors |
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ABS system designs |
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ABS operation: rear wheel anti-lock brake systems |
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ABS operation: three channel ABS systems |
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ABS operation: traction control |
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Additional traction control settings |
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Troubleshooting ABS
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ABS system diagnosis |
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Preliminary inspection |
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Road testing |
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Troubleshooting with the brake pedal |
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Basic ABS troubleshooting |
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ABS diagnostic trouble codes |
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Non-detected and intermittent ABS problems |
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ABS Service
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Introduction to ABS service |
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ABS hydraulic system service |
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Depressurizing the ABS system |
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ABS hydraulic system service |
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ABS hydraulic system component replacements |
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External solenoid replacement |
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Motor, pump and valve body replacement |
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ABS brake bleeding |
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ABS electrical system component replacement: ABS control unit |
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ABS electrical system component replacement: wheel sensors |
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ABS electrical system component replacement: brake switches |
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Verifying repairs |
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Brake Electrical and Electronic Component Service
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ABS electrical and electronic systems |
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Brake principles |
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General electrical diagnosis |
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Test equipment and testing |
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Brake stop light circuits |
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Electrical diagnosis: parking brake lamp |
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Brake system warning lamp |
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Electrical systems diagnosis: brake fluid level switch |
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Brake electrical system components: center high mounted stop lamps |
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ABS electrical system component replacement: ABS control unit |
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ABS electrical system component replacement: wheel sensors |
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Wiring harness repair |
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| Describe the function of the anti-lock brake system.
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| Describe the operation of the anti-lock brake system electronic control system.
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| Describe the operation of the ABS wheel sensors.
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| Identify the major components of the ABS hydraulic system.
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| Explain the operation of the ABS actuator in the isolate, hold and dump modes.
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| Describe a sound diagnostic strategy to troubleshoot anti-lock brake system concerns.
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| Explain how to retrieve stored diagnostic trouble codes from the ABS electronic control unit.
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| Describe the precautions to follow when testing the ABS circuits.
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| Identify the appropriate tests to measure voltage, resistance and current flow in an ABS system.
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| Describe the procedure to depressurize an ABS accumulator prior to servicing an ABS hydraulic system.
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| Explain the difference between integral and non-integral ABS actuators.
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| List the components of an integral ABS actuator that can be replaced.
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| Describe the procedure to bleed the brakes on an ABS system.
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| Describe the precautions to follow when testing and replacing an ABS electronic control unit.
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| Describe the procedures to test and replace an ABS wheel sensor.
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| Diagnosis the ABS electrical and electronic systems using the appropriate test procedures.
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| Use the appropriate test meter to do specific tests on the ABS electrical and electronic systems.
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| Diagnose lighting systems for excessive resistance or no operation.
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| Use wiring diagrams and schematics to troubleshoot electrical problems.
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| Understand the non-electrical problems that can cause poor ABS system operation.
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