AUT 210W - Body Electronics Service

Credits: 3

Studies body wiring diagrams, operation and location of electrical devices. Develops skills in the diagnosis of malfunctions within accessory and convenience circuits.

Prerequisite(s): AUT 100 and AUT 108 each with a minimum grade of "C" (2.0)
Corequisite(s): AUT 112W and AUT 214W
Lecture Hours: 30 Lab Hours: 30
Meets MTA Requirement: None
Pass/NoCredit: No

Outcomes and Objectives 1. 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.

A. Identify and interpret electrical/electronic system concern; determine necessary action. P-1

B. Research applicable vehicle and service information, such as electrical/electronic system operation, vehicle service history, service
precautions, and technical service bulletins. P-1

C. Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals). P-1

D. Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits using principles of electricity (Ohm's Law). P-1

E. Use wiring diagrams during diagnosis of electrical circuit problems. P-1

F. Demonstrate the proper use of a digital multimeter (DMM) during diagnosis of electrical circuit problems. P-1

G. Check electrical circuits with a test light; determine necessary action. P-2

H. Measure source voltage and perform voltage drop tests in electrical/electronic circuits using a voltmeter; determine necessary action. P-1

I. Measure current flow in electrical/electronic circuits and components using an ammeter; determine necessary action. P-1

J. Check continuity and measure resistance in electrical/electronic circuits and components using an ohmmeter; determine necessary action.
P-1

K. Check electrical circuits using fused jumper wires; determine necessary action. P-2

L. Locate shorts, grounds, opens, and resistance problems in electrical/electronic circuits; determine necessary action. P-1

M. Measure and diagnose the cause(s) of excessive key-off battery drain (parasitic draw); determine necessary action. P-1

N. Inspect and test fusible links, circuit breakers, and fuses; determine necessary action. P-1

O. Inspect and test switches, connectors, relays, solid state devices, and wires of electrical/electronic circuits; perform necessary action. P-1

P. Repair wiring harnesses and connectors. P-1

Q. Perform solder repair of electrical wiring P-1

2.    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.
     A.          Diagnose the cause of brighter than normal, intermittent, dim, or no light operation; determine necessary action. P-1

B. Inspect, replace, and aim headlights and bulbs. P-2

C. Inspect and diagnose incorrect turn signal or hazard light operation; perform necessary action P-2

3. 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.

A. Inspect and test gauges and gauge sending units for cause of intermittent, high, low, or no gauge readings; determine necessary action.
P-1

B. Inspect and test connectors, wires, and printed circuit boards of gauge circuits; determine necessary action. P-3

C. Diagnose the cause of incorrect operation of warning devices and other driver information systems; determine necessary action. P-1

D. Inspect and test sensors, connectors, and wires of electronic instrument circuits; determine necessary action. P-2

4. 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.

A. Diagnose incorrect horn operation; perform necessary action. P-2

B. Diagnose incorrect wiper operation; diagnose wiper speed control and park problems. Perform necessary action. P-2

C. Diagnose incorrect washer operation; perform necessary action. P-2

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

A. Diagnose incorrect operation of motor-driven accessory circuits; determine necessary action. P-2

B. Diagnose incorrect heated glass operation; determine necessary action. P-3

C. Diagnose incorrect electric lock operation; determine necessary action. P-2

D. Diagnose incorrect operation of cruise control systems; determine necessary action. P-3

E. Diagnose supplemental restraint system (SRS) concerns; determine necessary action. (Note:Follow manufacturer’s safety procedures to
prevent accidental deployment.) P-2

F. Disarm and enable the airbag system for vehicle service. P-1

G. Diagnose radio static and weak, intermittent, or no radio reception; determine necessary action. P-3

H. Remove and reinstall door panel. P-1

I. Diagnose body electronic system circuits using a scan tool; determine necessary action. P-2

J. Check for module communication errors using a scan tool. P3

K. Diagnose the cause of false, intermittent, or no operation of anti-theft system. P-2