Diagnosis and repair of emission systems, computerized engine performance systems, and advanced ignition and fuel systems; and proper use of advanced engine performance diagnostic equipment. Prepares students for ASE certification tests. Fee: $16
Prerequisites: AUMT 1405 INTRODUCTION TO AUTOMOTIVE TECHNOLOGY,
AUMT 1407 AUTOMOTIVE ELECTRICAL SYSTEMS,
AUMT 2417 ENGINE PERFORMANCE ANALYSIS I
COMMON COURSE OBJECTIVES: To Prepare students for entry-level employment and certification through ASE.
TEXTS AND REFERENCES USED:
1. Advanced Engine Performance Diagnosis by Halderman 4th Ed. ISBN# 0131989359
2. Manufacturers' service manuals.
3. Selected films and charts from various sources.
4. Automotive books can be found in the RVS bookstore located downstairs in Bldg. G
5. ONLINE:http://acconline.austincc.edu or http://www.austincc.edu/autotech/
Advanced Engine Performance Diagnosis (4th Edition) ISBN# 0131989359
by James D. Halderman (Author),
INSTRUCTIONAL METHODOLOGY:
Using a combination of computer based instruction, lecture, and faculty demonstration, students will practice towards mastery of all required NATEF tasks,
COURSE RATIONAL:
Utilizing appropriate safety procedures, Explain the operation, diagnosis, and repair of emission control systems; describe the operation, diagnosis, and repair of computerized engine performance systems and advanced ignition and fuel systems; and demonstrate proper use of advanced engine performance diagnostic equipment.
COURSE OUTLINE:
I Composite Vehicle Type 1 Information
A. General Description
1. Generic
2. Four cycle, four cyl.
3. Speed-density, closed-loop system
B. Powertrain Control Module (PCM)
1. Receives sensor input
2. Calculates Int. and fuel requirements
3. Controls engine and trans. actuators
4. Receives power from Batt. and ign. switch
5. Provides 5-volt supply for sensors
C. Fuel System
1. SFI
2. Fuel supply w/pump in/outside tank
3. Fuel pressure reg.
D. Ignition System
1. DI w/single ign. coil
2. Engine speed input
3. Spark timing
E. Idle Speed
1. Non-adj.
2. Normal load/noload range
F. Sensors
1. Engine speed RPM
2. Vehicle speed VSS
3. MAP
4. TP
5. ECT
6. IAT
7. HO2S 1/1, 2/1, 1/2
G. Actuators
1. IAC Idle air control
2. Fuel pump relay
3. EGR control/vent solenoid
4. MIL Malfunction indicator lamp
5. Torque converter clutch solenoid valve
6. EVAP canister purge solenoid
7. Fuel injectors
8. Ignition control module
H. SFI Operation and Component Functions
1. Start mode
2. Clear-flood mode
3. Run mode (open-loop)
4. Run mode (closed-loop)
5. Acceleration enrichment mode
6. Deceleration enleanment mode
7. Fuel cut-off mode
II Various Vehicle Applications
A. Sensors
1. Map
2. Oxygen
3. Throttle position
4. Crankshaft/camshaft position
5. Air flow
6. Knock
7. Vehicle
B. Actuators
1. Injectors
2. Idle air control/idle speed control
C. Distributorless Ignition System (DIS)
1. Waste spark method
2. Dwell
3. Magnetic
4. Hall Effect triggering
5. Optical Triggering
D. Testing/Evaluation
1. DVOM
2. Lab scope/ignition scope/burn time
3. Serial data
4. Root causes of failures
5. Four/Five gas analysis
6. IM 240
7. Evap emission sys. pressure and purge tests
III. Composite Vehicle Type 2 information
A. General Description
1. Generic
2. Four cycle, V6, single chain-driven camshaft
3. DIS ignition, 12 valves
4. Mass airflow-type closed-loop sys
5. Single exhaust w/three-way cat w/o secondary AIR
B. Powertrain Control Module (PCM)
1. Receives sensor input
2. Calculates Int. and fuel requirements
3. Controls engine and trans. actuators
4. Has OBD II sensors and diagnostic capabilities
5. Receives power from Batt. and ign. switch
6. Provides 5-volt supply for sensors
7. Controls shifting for transmission/transaxle
8. Controls charging sys.
C. Fuel System
1. SFI
2. Return/less fuel supply w/pump in/outside tank
3. Fuel pressure reg.
D. Ignition System
1. DI w/three ign. coils
2. Firing order
3. Spark timing
E. Idle Speed
1. Non-adj.
2. Normal load/noload range
F. Sensors
1. Crank
2. MAF
3. MAP
4. TP
5. ECT
6. IAT
7. HO2S 1/1, 2/1, 1/2
G. Actuators
1. IAC Idle air control
2. Fuel pump relay
3. EGR control/vent solenoid
4. MIL Malfunction indicator lamp
5. Torque converter clutch solenoid valve
6. EVAP canister purge solenoid
7. Fuel injectors
8. Ign. coils
9. Gen. field
10. Fan control relay
11. A/C clutch relay
12 Transmission pressure control (PC), shift (SS1, SS2) solenoids
H. SFI Operation and Component Functions
1. Start mode
2. Clear-flood mode
3. Run mode (open-loop)
4. Run mode (closed-loop)
5. Injector pulse width
6. Acceleration enrichment mode
7. Deceleration enleanment mode
8. Fuel cut-off modeI.
I.OBD System Operation
1. Comprehensive component monitor
2. Main monitor
3. Monitor readiness status
4. ODB II trip cycle
5. Freeze frame data
