Automotive Technology Chapter 5 Part 2 Vehicle Service Information and Diagnostic Process Tech A & B

#Vehicle_Service_Information_and_Diagnostic_Process_Tech_A_and_Tech_B
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Completing a Repair Order
• Complete work order to include customer information, vehicle identifying information, customer concern, related service history, cause, and correction.
• To work out the total cost of the service
• Customer’s authorization necessary to carry out all the service
 Service History
• Review vehicle service history.
• Describe the purpose and use of service history.
• Use service history in the repair and service of vehicles.
• Provides potential new owners of used vehicles an indication of how well the vehicle was maintained
• Manufacturers use vehicle service history when evaluating warranty claims
 VIN and Production Date Code, and Vehicle Information Labels
• Explain the purpose and application of VINs.
• Can be used to check the service history of a vehicle, and to identify the vehicle for ordering components
• Deters auto theft
Locating the VIN and Production Date Code
• Locate the VIN and production date code.
• The VIN is usually located below the front left corner of the windshield and is also inscribed on the engine, transmission, both front fenders, hood, doors, both bumpers, both rear quarter panels, and the trunk or hatchback
Decoding a VIN
• Decode a North American VIN.
• North American VIN system includes manufacturer identifier, vehicle attributes, check character, model year, plant code, and sequential number
 Using Other Vehicle Information Labels
• Identify other vehicle information labels.
Vehicle Emission Control Information (VECI) Label
• Located in the engine compartment on either the hood, strut tower, or radiator support
• Typically includes information about engine family and displacement, model year the vehicle conforms to, spark plug part number and gap, evaporative emission system family, emission control system schematic, and certification application
Vehicle Safety Certification (VSC) Label
• Usually affixed to the driver’s side door pillar or on the side of the door next to the pillar
• Includes information about month and year of manufacture, GVWR and gross axle weight rating (GAWR), VIN, recommended tire sizes and inflation pressures, and paint and trim codes
Other Labels
• Refrigerant label, the coolant label, and the belt routing label
 Strategy-Based Diagnosis
• Describe each step in strategy-based diagnosis.
• Step 1: Verifying the customer’s concern
• Step 2: Researching possible faults and gathering information
• Step 3: Focused testing
• Step 4: Performing the repair
• Step 5: Verifying the repair
 3 Cs
• Demonstrate use of the “3 Cs” (concern, cause, and correction).
• Explain how the “3 Cs” are applied in repairing and servicing vehicles.
• Concern—stands for the customer’s understanding of the problem with the vehicle
• Cause—stands for the actual fault that is causing the concern
• Correction—stands for the procedure and parts that will be used to fix the problem