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Body Electronics Service

AUT 210W

Body Electronics Service

AUT 210W

Course Description

Prerequisite: AUT 100 and AUT 108 with a minimum grade of "C" (2.0).. Studies body wiring diagrams, operation and location of electrical devices. Develops skills in the diagnosis of malfunctions within accessory and convenience circuits. (30-30)

Outcomes and Objectives

Diagnose, repair, and service general electrical systems. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.

Objectives:

  • Identify and interpret electrical/electronic system concern; determine necessary action. P-1
  • Research applicable vehicle and service information, such as electrical/electronic system operation, vehicle service history, service precautions, and technical service bulletins. P-1
  • Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals). P-1
  • Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits using principles of electricity (Ohm’s Law). P-1
  • Use wiring diagrams during diagnosis of electrical circuit problems. P-1
  • Demonstrate the proper use of a digital multimeter (DMM) during diagnosis of electrical circuit problems. P-1
  • Check electrical circuits with a test light; determine necessary action. P-2
  • Measure source voltage and perform voltage drop tests in electrical/electronic circuits using a voltmeter; determine necessary action. P-1
  • Measure current flow in electrical/electronic circuits and components using an ammeter; determine necessary action. P-1
  • Check continuity and measure resistance in electrical/electronic circuits and components using an ohmmeter; determine necessary action. P-1
  • Check electrical circuits using fused jumper wires; determine necessary action. P-2
  • Locate shorts, grounds, opens, and resistance problems in electrical/electronic circuits; determine necessary action. P-1
  • Measure and diagnose the cause(s) of excessive key-off battery drain (parasitic draw); determine necessary action. P-1
  • Inspect and test fusible links, circuit breakers, and fuses; determine necessary action. P-1
  • Inspect and test switches, connectors, relays, solid state devices, and wires of electrical/electronic circuits; perform necessary action. P-1
  • Repair wiring harnesses and connectors. P-1
  • Perform solder repair of electrical wiring P-1

Diagnose, repair, and service lighting systems. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.

Objectives:

  • Diagnose the cause of brighter than normal, intermittent, dim, or no light operation; determine necessary action. P-1
  • Inspect, replace, and aim headlights and bulbs. P-2
  • Inspect and diagnose incorrect turn signal or hazard light operation; perform necessary action P-2

Diagnose, repair, and service gauges, warning devices and driver information systems. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.

Objectives:

  • Inspect and test gauges and gauge sending units for cause of intermittent, high, low, or no gauge readings; determine necessary action. P-1
  • Inspect and test connectors, wires, and printed circuit boards of gauge circuits; determine necessary action. P-3
  • Diagnose the cause of incorrect operation of warning devices and other driver information systems; determine necessary action. P-1
  • Inspect and test sensors, connectors, and wires of electronic instrument circuits; determine necessary action. P-2

Diagnose, repair, and service horn, wiper/washer systems. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.

Objectives:

  • Diagnose incorrect horn operation; perform necessary action. P-2
  • Diagnose incorrect wiper operation; diagnose wiper speed control and park problems. Perform necessary action. P-2
  • Diagnose incorrect washer operation; perform necessary action. P-2

Diagnose, repair, and service accessories. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.

Objectives:

  • Diagnose incorrect operation of motor-driven accessory circuits; determine necessary action. P-2
  • Diagnose incorrect heated glass operation; determine necessary action. P-3
  • Diagnose incorrect electric lock operation; determine necessary action. P-2
  • Diagnose incorrect operation of cruise control systems; determine necessary action. P-3
  • Diagnose supplemental restraint system (SRS) concerns; determine necessary action. (Note: Follow manufacturer’s safety procedures to prevent accidental deployment.) P-2
  • Disarm and enable the airbag system for vehicle service. P-1
  • Diagnose radio static and weak, intermittent, or no radio reception; determine necessary action. P-3
  • Remove and reinstall door panel. P-1
  • Diagnose body electronic system circuits using a scan tool; determine necessary action. P-2
  • Check for module communication errors using a scan tool. P3
  • Diagnose the cause of false, intermittent, or no operation of anti-theft system. P-2