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Unformatted text preview: Job Sheet 14 Name _______________________________________ Date ________________________ Conduct a Diagnostic Check of an Engine Equipped with OBD II Upon completion of this job sheet, you should be able to conduct a system inspection and retrieve codes from the PCM of an OBD II equipped engine. ASE Correlation This job sheet is related to the ASE Automatic Transmission and Transaxle Test’s Content Area: General Transmission and Transaxle Diagnosis. Task: Diagnose mechanical and vacuum control systems; determine necessary action. Tools and Materials A vehicle equipped with OBD II Service manual Scan tool Describe the vehicle being worked on: Year _________ Make ____________________________ VIN ___________________ Model __________________________________________________________________ Engine size and type ______________________________________________________ Procedure 1. Check all vehicle grounds, including the battery and computer ground, for clean and tight connections. Comments: ____________________________________________________________________ ____________________________________________________________________ 2. Perform a voltage drop test across all related ground circuits. State where you tested Perform a voltage drop test across all related ground circuits....
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- Spring '11
- Internal combustion engine, Ignition system, scan tool, DTCs, Engine Equipped