2011-2016 Chevrolet Malibu Service & Repair Manual

2013 GENERAL INFORMATION General Information - Malibu INTRODUCTION ARROWS AND SYMBOLS This service manual uses various symbols in order to describe different service operations. Tuesday, June 06, 2017 5:52:07 PM Page 1 © 2011 Mitchell Repair Information Company, LLC. Tuesday, June 06, 2017 5:52:16 PM Page 1 © 2011 Mitchell Repair Information Company, LLC.

Fig. 1: Identifying Different Service Operations Symbols Courtesy of GENERAL MOTORS COMPANY Callout Component Name Tuesday, June 06, 2017 5:52:07 PM Page 2 © 2011 Mitchell Repair Information Company, LLC.

ACRONYMS AND UNITS Acronyms 1 Front of Vehicle 2 View Detail 2 View Detail 3 Ambient Air Mixed with Another Gas or Indicate Temperature Change 4 Motion or Direction 5 View Angle 6 Dimension (1:2) 7 Ambient/Clean Air Flow or Cool Air Flow 8 Lubrication Point- Oil or Fluid 9 Task Related 10 Sectioning (1:3) 11 Gas Other Than Ambient Air or Hot Air Flow 12 Lubrication Point- Grease or Jelly 13 Multidirectional Arrow Acronym Meaning Definition 2WD Two-Wheel Drive Indicates that a vehicle has 2 driven wheels OR that a 4WD vehicle uses only 2 wheels for propulsion. So it can be the description of a vehicle configuration OR the operational mode of the drivetrain. 4WD Four-Wheel Drive Four-wheeled vehicle with a drivetrain that allows all four wheels to receive power from the engine simultaneously which provides better control on various surfaces. Can be used to describe the configuration of the vehicle OR as the operational mode of the drivetrain. 4WD vehicles usually can turn 2 wheels off to be in a 2WD mode. See also AWD. A/C Air Conditioning The cooling and dehumidification of indoor air for thermal comfort. A/D Analog to Digital Used in context of converting electrical analog signals to digital signals. ABS Antilock Braking System System on motor vehicles which prevents the wheels from locking while braking which helps the driver maintain control in heavy braking conditions. AC Alternating Current An electrical current whose magnitude and direction vary cyclically. Tuesday, June 06, 2017 5:52:07 PM Page 3 © 2011 Mitchell Repair Information Company, LLC.

AM Amplitude Modulation Method of impressing data onto an alternating-current (AC) carrier waveform. APP Accelerator Pedal Position A pedal that controls the throttle valve. AWD All-Wheel Drive All-wheel-drive systems are designed to function on all types of surfaces, both on- and off-road, and most of them cannot be switched off. This can also be called full- time four wheel drive. See also 4WD. AWG American Wire Gauge American wire gauge is a standardized wire gauge system used since 1857 predominantly in the United States for the diameters of round, solid, nonferrous, electrically conducting wire. E.g. a wire of AWG10 has a diameter of 2.588mm, AWG20 corresponds to a diameter of 0.812mm. B+ Battery Positive Voltage The electrical potential on the positive terminal of the battery. BARO Barometric Pressure Atmospheric pressure as measured by a barometer. BCM Body Control Module This module supplies vehicle occupants with visual and audible information and controls various vehicle functions, BECM Battery Energy Control Module Control module used to regulate the battery voltage. BPP Brake Pedal Position Position of the foot pedal that moves a piston in the master brake cylinder. CAN Controller Area Network Serial data connection between control modules by Bosch CCM Chassis Control Module The module that controls various vehicle functions on the Chassis, like Engine/Trans Mount, Active Grille Air Shutter, Load Leveling, etc••• CD Compact Disc A small optical disk on which data such as music, text, or graphic images is digitally encoded. CNG Compressed Natural Gas This a substitute for gasoline or diesel fuel. It is made by compressing natural gas (which is mainly composed by methane (CH4), in a percentage range of 70% to 98%) CO Carbon Monoxide This is a product of the incomplete combustion of carbon-containing compounds, at room temperature this is a gas. It consists of one carbon atom covalently bonded to one oxygen atom. Tuesday, June 06, 2017 5:52:07 PM Page 4 © 2011 Mitchell Repair Information Company, LLC.

CO2 Carbon Dioxide Chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. CPA Connector Position Assurance Part of an electrical connector that prevents the connector from moving out of its socket. Usually needs to be pressed to unlock the connector when disconnecting it. CPP Clutch Pedal Position A lever operated with the foot that controls the coupling that connects or disconnects driving and driven parts of a driving mechanism. CV Constant Velocity Used in conjunction with CV joints, which connect two shafts at an angle while both shafts always have the same rotational speed without variations. CVT Continuously Variable Transmission A transmission in which the ratio of the rotational speeds of two shafts, as the input shaft and output shaft of a vehicle or other machine, can be varied continuously within a given range, providing an infinite number of possible ratios which improves fuel economy. D Drive D on the transmission gear selector lever. DAB Digital Audio Broadcast Technology for broadcasting of audio using digital radio (carries information via digital signal) transmission. DC Direct Current Continuous current, constant flow of electric charge. DLC Data Link Connector This is an electronic connector typically located underneath the driver's side dashboard, just above the pedals. The connector has 16 pins. DMM Digital Multimeter Electronic measuring instrument that combines several functions in one unit. The most basic instruments include an ammeter, voltmeter, and ohmmeter. DOHC Dual Overhead Camshaft Dual overhead camshafts (DOHC) are higher performance engines, they produce more power, and can run at higher speeds because they allow an engine to have four valves per cylinder. Each camshaft operates two of the valves, one camshaft handles the intake valves, and one handles the exhaust valves DPF Diesel Particulate Filter Device designed to remove diesel particulate matter or soot from the exhaust Tuesday, June 06, 2017 5:52:07 PM Page 5 © 2011 Mitchell Repair Information Company, LLC.

gas of a diesel engine. DRL Daytime Running Lamps White lights mounted on the front of an automobile that automatically switch on when the key is turned and are intended for daytime use, to increase the visibility of the automobile. DSCC Distance Sensing Cruise Control A type of cruise control that automatically maintains the distance between vehicles. DSP Digital Signal Processor A specialized microprocessor designed specifically for digital signal processing, generally in real-time computing. DTC Diagnostic Trouble Code An electronic signal stored in an automotive computer, indicating the presence of a fault detected by that computer. DVD DVD A popular optical disc storage media format the size of a CD. Used mainly for movies but also for data. DVD has no spelled out version (officially it does not mean Digital Video Disc or Digital Versatile Disc, it just means DVD). EBCM Electronic Brake Control Module This module contains a microprocessor and software for antilock braking system operation. ECM Engine Control Module This electronic module works with a vehicle's sensors and engine control devices to insure that the engine operates at maximum efficiency and performance. It performs three vital functions. Receives electronic signals from engine sensors. Analyzes the data and makes an engine performance decision (based on the pre-set parameters within the unit). Sends an "output command" to an actuator that adjusts engine performance. ECT Engine Coolant Temperature A measure of how hot or cold the fluid which flows through the engine in order to prevent its overheating, transferring the heat produced by the device to other devices that utilize or dissipate it. EEPROM Electrically Erasable Programmable Read-Only Memory A non-volatile storage chip used in computers and other devices to store small amounts of volatile data, e.g. calibration tables or device configuration. EGR Exhaust Gas Recirculation Is an NOx (nitrogen oxide and nitrogen dioxide) reduction technique used in most gasoline and diesel engines. EGR works by Tuesday, June 06, 2017 5:52:07 PM Page 6 © 2011 Mitchell Repair Information Company, LLC.

recirculating a portion of an engine's exhaust gas back to the engine cylinders. EMI Electromagnetic Interference Electromagnetic interference (also called radio frequency interference) is a disturbance that affects an electrical circuit due to either electromagnetic conduction or electromagnetic radiation emitted from an external source. ESD Electrostatic Discharge The sudden and momentary electric current that flows between two objects at different electrical potentials. EV Electric Vehicle A category of vehicles that only have an electric drive system. EVAP Evaporative Emission A system that controls the fuel fumes in the fuel tank. FM Frequency Modulation In telecommunication this is a way to convey information over a carrier wave by varying its frequency. FWD Front-Wheel Drive A form of engine/transmission layout used in motor vehicles, where the engine drives the front wheels only. GMLAN General Motors Local Area Network A local-area network is a computer network covering a small geographic area, like a home or vehicle. This specific type of LAN connects several controllers inside the vehicle and was developed by General Motors. GPS Global Positioning System Satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. GSM Global System for Mobile Communications Globally accepted standard for digital cellular communication. GVW Gross Vehicle Weight Maximum total weight of a road vehicle or trailer that is loaded, including the weight of the vehicle itself plus fuel, passengers, cargo, and trailer tongue weight. HD Heavy Duty Robust design to accommodate large work loads. HID High Intensity Discharge A type of light that produces a bright light by using gas filled bulbs. (gas is usually mercury, metal halide, and high-pressure sodium) Uses very little battery power and is a very "cool" light. Heated oxygen sensors have an internal heater circuit that brings the sensor up to operating temperature more quickly than an Tuesday, June 06, 2017 5:52:07 PM Page 7 © 2011 Mitchell Repair Information Company, LLC.

HO2S Heated Oxygen Sensor unheated sensor. An oxygen sensor must be hot (about 600-650°F) before it will generate a voltage signal. The hot exhaust from the engine will provide enough heat to bring an O2 sensor up to operating temperature. HVAC Heating Ventilation Air Conditioning This system is sometimes referred to as climate control. Ventilation air ducts installed throughout a vehicle that supply conditioned air to a room through rectangular or round outlet vents. I 2 C Inter-Integrated Circuit Serial data connection between Integrated Circuits (microchips) inside a control module invented by Phillips IAT Intake Air Temperature Temperature of the air entering intake air flow system of the engine. ICE Internal Combustion Engine An engine in which the combustion of fuel and an oxidizer (typically air) occurs in a confined space called a combustion chamber. ID Identification Number or Code that identifies a component or control module. Can be written on the part or be transmitted on a bus or via radio. ISP Internet Service Provider A company that furnishes corporations and individual consumers with various services, mainly access to the Internet. ISS Input Shaft Speed Rotational speed of the input shaft of a transmission. LAN Local Area Network Standard network connection PC's. LCD Liquid Crystal Display A thin, flat display device made up of any number of color or monochrome pixels arrayed in front of a light source or reflector. LED Light Emitting Diode Small light bulbs that fit easily into an electrical circuit they do not have a filament that will burn out, and they do not get especially hot. They are illuminated solely by the movement of electrons in a semiconductor material. LIN Local Interconnect Network Computer networking bus system used within automotive network architectures. Similar to CAN, but cheaper and less powerful. LPG Liquefied Petroleum Gas A mixture of mainly propane and butane, produced commercially and stored under Tuesday, June 06, 2017 5:52:07 PM Page 8 © 2011 Mitchell Repair Information Company, LLC.

pressure to keep it in a liquid state. MAF Mass Air Flow The amount of air drawn into the engine MAP Manifold Absolute Pressure Pressure in the engine intake system after the throttle valve referenced to a perfect vacuum. MDI Multiple Diagnostics Interface A device used by GM dealers that enables a PC to communicate with the control modules in a vehicle. MIL Malfunction Indicator Lamp An indicator of the internal status of a car engine. MOST Media Oriented Systems Transport Serial communication bus to transmit audio and video information. N Neutral A state of the transmission in which it is not engaged. NiMH Nickel Metal Hydride A type of rechargeable battery that uses a hydrogen absorbing alloy for the negative electrode. NOx Nitrogen Oxides Refers to any of the following oxygen compounds of nitrogen or a mixture of them. Nitric Oxide, Nitrogen dioxide, Nitrous Oxide, Dinitrogen trioxide, Dinitrogen tetroxide, Dinitrogen pentoxide. O2 Oxygen A colorless, odorless, tasteless, gaseous chemical element with the chemical symbol O and atomic number 8. O2S Oxygen Sensor An electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analyzed. OBD On-Board Diagnostic A generic term referring to a vehicle's self- diagnostic and reporting capability. OEM Original Equipment Manufacturer A producer that provides a product to its customers, who proceed to modify or bundle it before distributing it to their customers. OSS Output Shaft Speed Rotational speed of the output shaft of a transmission. P Park A state in which the transmission is set so one can leave the vehicle. PCB Printed Circuit Board A thin plate on which chips and other electronic components are placed. PCM Powertrain Control Module A control module that features the functions of both, the engine and the transmission control module. An international standards body and trade association with over 100 member Tuesday, June 06, 2017 5:52:07 PM Page 9 © 2011 Mitchell Repair Information Company, LLC.

PCMCIA Personal Computer Memory Card Industry Association companies that was founded in 1989 to establish standards for Integrated Circuit cards and to promote interchangeability among mobile computers where ruggedness, low power, and small size were critical. PIN Personal Identification Number A secret numeric password shared between a user and a system that can be used to authenticate the user to the system. PPE Personal Protective Equipment Protective clothing, helmets, goggles, or other garment designed to protect the wearer's body from injury. PRNDL Park, Reverse, Neutral, Drive, Low Park, Reverse, Neutral, Drive, Low (automatic transmission positions). PTC Positive Temperature Coefficient Refers to materials that experience an increase in electrical resistance when their temperature is raised. PTO Power Take-Off A splined driveshaft, usually on a tractor or truck that can be used to provide power to an attachment or separate machine. This mechanism allows implements to draw energy from the tractor's engine. PVC Polyvinyl Chloride A thermoplastic copolymer. PWM Pulse Width Modulation Square shaped type of signal that carries the information in the ratio between on and off times. R Reverse Rearward: directed or moving toward the rear; RAM Random Access Memory A type of computer data storage. It today takes the form of integrated circuits that allow the stored data to be accessed in any order. RCT Radiator Coolant Temperature This is the heat intensity of the radiator coolant measured in degrees. The radiator is a part of the cooling system that removes the engine heat. Coolant is a mixture of water and antifreeze (ethylene glycol) which lowers the freezing point of the water in the coolant system, this fluid also picks up heat from the engine and transfers it to the air. RDS Radio Data System A standard from the European Broadcasting Union for sending small amounts of digital information using conventional FM radio broadcasts. A frequency or rate of oscillation within the Tuesday, June 06, 2017 5:52:07 PM Page 10 © 2011 Mitchell Repair Information Company, LLC.

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2011-2016 Chevrolet Malibu Service & Repair Manual

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