Indmar Marine Engines Service and Diagnistic Manual - for electronic fuel injection system with MEFI 6 Controllers

Indmar MARINE ENGINES Service and Diagnostic Manual For Electronic Fuel Injection Systems with MEFI 6 Controllers Indmar Products Company, Inc. 5400 Old Millington Road Millington, TN 38053

TABLE OF CONTENTS Preface ............................................................. 0-0 Dangers, Warnings, and Cautions ................... 0-3 General Information ....................................... 1-3 General Information ......................................... 1-3 Diagnostic Overview, Starting Point, and Programming .......................... 6-3 Programming and Setup ................................. 6-3 Vehicle Diagnostic Information ......................... 6-4 Engine .............................................................. 9-3 Engine Controls and Fuel - Marine ................. 9-3 Power and Signal Distribution ................... 11-3 Data Communications ................................... 11-3 Wiring Systems ............................................. 11-6 2011 - Marine Engines Manual

2011 - Marine Engines Manual

DANGER Danger: In order to reduce the chance of death, personal injury and/or property damage, carefully observe the instructions that follow: The service manuals of General Motors are intended for use by professional, qualified technicians. Attempting repairs or service without the appropriate training, tools, and equipment could cause death or injury to you or others. This could also damage the vehicle, or cause the vehicle to operate improperly. Proper vehicle service and repair are important to the safety of the service technician and to the safe, reliable operation of all motor vehicles. If you need to replace a part, use the same part number or an equivalent part. Do not use a replacement part of lesser quality. The service procedures we recommend and describe in this service manual are effective methods of performing service and repair. Some of the procedures require the use of tools that are designed for specific purposes. Accordingly, any person who intends to use a replacement part, a service procedure, or a tool that is not recommended by General Motors, must first establish that there is no jeopardy to personal safety or the safe operation of the vehicle. This manual contains various “Dangers”, “Warnings” and “Cautions” that you must observe carefully in order to reduce the risk of personal injury during service or repair. Improper service or repair may damage the vehicle or render the vehicle unsafe. These “Dangers”, “Warnings” and “Cautions” are not exhaustive. General Motors can not possibly warn of all the potentially hazardous consequences of your failure to follow these instructions. This manual covers service procedures to vehicles that are equipped with a Supplemental Inflatable Restraint. Refer to the “Warnings” in Dangers, Warnings and Cautions in Supplemental Inflatable Restraint. Refer to Supplemental Inflatable Restraint component and wiring location views in Supplemental Inflatable Restraint before performing a service on or around Supplemental Inflatable Restraint components or wiring. Failure to follow these “Dangers”, “Warnings” and “Cautions” could cause air bag deployment, personal injury, or otherwise unnecessary Supplemental Inflatable Restraint repairs. In order to help avoid accidental air bag deployment and personal injury, whenever you service a vehicle that requires repair of the Supplemental Inflatable Restraint and another vehicle system, we recommend that you first repair the Supplemental Inflatable Restraint, then go on to the other system. 2011 - Marine Engines Manual

2011 Marine Electronic Fuel Injection (EFI) Service Manual This manual provides information on the diagnosis, the service procedures, the adjustments, and the specifications for the marine engines. Because the marine engines cover a broad range of uses, some of the instructions, figures, or references contained within this manual may not pertain to every customer or engine application. This information is furnished to ensure completeness and is to be followed only where appropriate. The technicians who understand the material in this manual better serve the vehicle owners. When this manual refers to a brand name, a part number, or a specific tool, you may use an equivalent product in place of the recommended item. All information, illustrations, and specifications in this manual are based on the latest product information available at the time of publication approval. General Motors LLC reserves the right to make changes at any time without notice. Published by North American Operations General Motors LLC Milford, Michigan 48380 ©2011 GENERAL MOTORS LLC ALL RIGHTS RESERVED The information cutoff date is 01/03/11. LITHO IN U.S.A. No part of this manual may be reproduced, stored in any retrieval system, or transmitted in any form or by any means including, but not limited to, electronic, mechanical, photocopying, and recording without the prior written permission of General Motors LLC. This applies to all text, illustrations, and tables. 2011 - Marine Engines Manual

Error and Suggestion Reporting If you find an error in a GM Service manual, or if you have a suggestion about a GM service manual, we want to hear from you. When calling, be prepared with the following information: • Your name • The name of your dealership • The phone number of your dealership • The model year and the vehicle line • The publication part number (if present) • The vehicle identification number of the vehicle on which you are working • The service category and page number(s) • Any applicable electronic information element identification numbers • A descriptive explanation of your concern The GM service manual phone personnel will respond to your concerns in the following ways: • By delivering your concern to the author of the manual. • By eliciting a response from the author. • By supplying you with an answer to your concerns. For paper manual users: The GM service manual phone personnel will also explain how to send in examples or marked-up pages. For Electronic Manual users: Be prepared to provide any applicable identification numbers pertaining to the electronic information in question. The GM service manual comment telephone numbers do not provide technical assistance. For technical assistance, contact your regular technical assistance source. United States and Canada General Motors Dealer Employees Please call the following number with your comments: 1-800-828-6860. You may call Monday through Friday, 8 a.m.–8 p.m. Eastern Time. In order to send a fax, use the following number: 248-265-9327. Canada, French Speaking General Motors Dealer Employees Please call the following number with your comments: 1-800-503-3222. You may call Monday through Friday, 8 a.m.–5 p.m. Eastern Time. In order to send a fax, use the following number: 248-265-9327. International English Speaking General Motors Dealer Employees Please call the following number with your comments: 248-265-0840. You may call Monday through Friday, 8 a.m.–8 p.m. Eastern Time. In order to send a fax, use the following number: 248-265-9327. United States and Canadian Vehicle Owner/Operator Vehicle owners or operators are encouraged to address their comments and concerns to the applicable Customer Assistance Center. The phone number and address of the Customer Assistance Center are in the Owner’s Manual. 2011 - Marine Engines Manual

Section 0 Dangers, Warnings, and Cautions Dangers, Warnings, and Cautions ................0-3 Deﬁnition of Danger, Warning, Caution, and Note ....................................................0-3 Actions to Take When Working with Fuel Warning ..............................................0-3 Batteries Produce Explosive Gases Warning .....................................................0-3 Battery Disconnect Warning ...........................0-4 Camshaft Position Actuator Removal and Installation Warning .............................0-4 Exhaust Service Warning ...............................0-4 Fuel Pipe Fitting Warning ..............................0-4 Fuel Storage Warning ....................................0-4 Fuel System Pressure Warning ......................0-4 Gasoline/Gasoline Vapors Warning ................0-4 On-Vehicle Fire Extinguisher Warning ............0-4 Relieving Fuel Pressure Warning ...................0-4 Shop Towel Fuel Leak Warning .....................0-4 Clean Spark Plug Recess Caution .................0-5 Component Fastener Tightening Caution ......................................................0-5 Cover and Plug Openings Caution .................0-5 Electrical Wiring Routing Caution ...................0-5 Excessive Force and Oxygen Sensor Caution ......................................................0-5 Fastener Caution ...........................................0-5 Fuel Injector Balance Test Caution ................0-5 Fuel Pressure Caution ...................................0-5 Fuel Rail Caution ...........................................0-5 Handling Electrostatic Discharge Sensitive Parts Caution ..............................0-5 Heated Oxygen and Oxygen Sensor Caution ......................................................0-6 Ignition OFF When Disconnecting Battery Caution ..........................................0-6 J 35616-A Connector Test Adapter Kit Caution ......................................................0-6 Test Lamp to Test Continuity Caution ............0-6 Test Probe Caution ........................................0-6 Three-Way Catalytic Converter Damage Caution ......................................................0-6 Table of Contents 0-1 2011 - Marine Engines Manual

BLANK 0-2 Table of Contents 2011 - Marine Engines Manual

Dangers, Warnings, and Cautions Definition of Danger, Warning, Caution, and Note The diagnosis and repair procedures in a GM Service Manual contain both general and specific Dangers, Warnings, Cautions, Notes or Importants. GM is dedicated to the presentation of service information that helps the technician to diagnose and repair the systems necessary for the proper operation of the vehicle, however, certain procedures may present a hazard to the technician if they are not followed in the recommended manner. Dangers, Warnings, Cautions and Notes or Importants are elements designed to prevent these hazards, however, not all hazards can be foreseen. This information is placed at strategic locations within the service manual. This information is designed to prevent the following from occurring: • Serious bodily injury or death to the technician • Damage to the vehicle • Unnecessary vehicle repairs • Unnecessary component replacement • Improper repair or replacement of vehicle components. • Any warning or caution that appears in this service category is referenced from the individual service categories. DANGER Defined When encountering a DANGER, you will be asked to take a necessary action or not to take a prohibited action. If a DANGER is not heeded, the following consequences may occur: • Serious bodily injury or death to the technician • Serious bodily injury or death to other technicians in the workplace area WARNING Defined When encountering a WARNING, you will be asked to take a necessary action or not to take a prohibited action. If a WARNING is not heeded, the following consequences may occur: • Serious bodily injury to the technician • Serious bodily injury to other technicians in the workplace area • Serious bodily injury to the driver and/or passenger(s) of the vehicle, if the vehicle has been improperly repaired CAUTION Defined CAUTIONS call special attention to a necessary action or to a prohibited action. If a CAUTION is not heeded, the following consequences may occur: • Damage to the vehicle • Unnecessary vehicle repairs • Unnecessary component replacement • Improper operation or performance of the system or component under repair • Damage to any systems or components which are dependent upon the proper operation of the system or component under repair • Improper operation or performance of any systems or components which are dependent upon the proper operation or performance of the system or component under repair • Damage to fasteners, basic tools, or special tools • The leakage of coolant, lubricant, or other vital fluids NOTE or IMPORTANT Defined NOTE and IMPORTANT statements emphasize a necessary characteristic of a diagnostic or repair procedure. NOTE or IMPORTANT statements are designed to do the following: • Clarify a procedure • Present additional information for accomplishing a procedure • Give insight into the reason or reasons for performing a procedure in the manner recommended • Present information that will help to accomplish a procedure in a more effective manner • Present information that gives the technician the benefit of past experience in accomplishing a procedure with greater ease Actions to Take When Working with Fuel Warning Warning: Fuel Vapors can collect while servicing fuel system components in enclosed areas such as the vessels cabin or engine compartment. To reduce the risk of fire and increased exposure to vapors: • Use forced air ventilation such as a fan set outside of the vessels engine compartment. • Plug or cap any fuel system openings in order to reduce fuel vapor formation. • Clean up any spilled fuel immediately. • Avoid sparks and any source of ignition. • Use signs to alert others in the work area that fuel system work is in process. Batteries Produce Explosive Gases Warning Warning: Batteries produce explosive gases. Batteries contain corrosive acid. Batteries supply levels of electrical current high enough to cause burns. Therefore, in order to reduce the risk of personal injury while working near a battery, observe the following guidelines: • Always shield your eyes. • Avoid leaning over the battery whenever possible. Dangers, Warnings, and Cautions 0-3 2011 - Marine Engines Manual

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Indmar Marine Engines Service and Diagnistic Manual - for electronic fuel injection system with MEFI 6 Controllers

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