2010 Chevrolet Equinox 2010 Buick LaCrosse
June 2009Volume 11, No.6A Monthly Publication for GM Dealership Service Professionals2010 Chevrolet EquinoxThe 2010 Chevrolet Equinox has a completely new lookand upgraded design. This vehicle will be the leader in itssegment in styling, comfort and fuel economy.Many features are new for the 2010 Chevrolet Equinox.Customers who owned a previous model Equinox mayfind operation of some of these features different fromtheir experience.– Ultrasonic Rear Park Assist System (URPA)– Rear Vision Camera System– Active Noise Cancellation (ANC)– Adjustable Power Liftgate (APL)– Spark Ignited Direct Injection (SIDI)– Rack-Mounted Electric Power Steering (EPS)TIP: Before attempting repair for a customer concern,be sure the customer understands the proper operationof the feature in question.GM GLOBAL-A ARCHITECTUREThe technological backbone of the new Equinox comesin the form of the GM Global-A Serial Data ElectricalArchitecture – a high-and low-speed data network thatconnects system modules and ensures that information isproperly communicated and shared among them.The new Equinox is among the first GM vehicles sold inNorth American equipped with the architecture, which isone of the most advanced of its kind in the automotiveindustry. This network transfers data around the vehicle.TIP: You will use MDI with GDS software and a laptopPC in place of the Tech 2 for diagnosis.ACTIVE NOISE CANCELLATION (ANC)The Active Noise Cancellation (ANC) system works toreduce the amount of noticeable noise at certain vehiclespeeds and is standard with the 4-cylinder engine. Thetorque converter clutch is calibrated to provide very lowidle speed to improve fuel economy, which may cause2010 Buick LaCrosseLaCrosse (Allure in Canada) is Buick’s first global vehicle, designedand engineered in GM centers in Europe, Asia and North America. Itis distinguished by premium content, world-class quietness andhigh-tech powertrains. LaCrosse offers coupe-like styling with 4-doorsedan comfort.LaCrosse is offered in three levels – CX, CXL and CXS – eachoffering a unique combination of features and equipment, including:– HID Articulating Headlamps– Electronic Park Brake– Panoramic Sunroof– QuietTuning TIP: Before attempting repair for acustomer concern,be sure the customerContentsunderstands theproper operation of thefeature in question.GDS Diagnostics2010 Chevrolet Equinox . . . . . . . . . .1LaCrosse incorporates the latest inserial data electricalarchitecture. A highand low-speed datanetwork connectssystem modules andensures that information is properlycommunicated andshared among them.TIP: You will useMDI with GDS software and a laptop PCin place of the Tech 2for diagnosis.2010 Buick LaCrosse . . . . . . . . . . .1Warranty Parts Center Reviews . . . .6Terminal Release Tool Update . . . . . .7Vibe Transaxle Tips . . . . . . . . . . . . .7Fix It Right the First Time . . . . . . . . .8Know How Broadcasts for July . . . . .8Service and Parts Operationscontinued on page 2June 2009Passenger PresenceSystem -- 2010 Camaro . . . . . . . . .5continued on page 41
2010 Chevrolet Equinox– continued from page 1unwanted noise. Active Noise Cancellation works with the vehicle’s audio system to create sound waves which cancel noise.The result is improved quietness with little added mass. Lower mass results in better fuel economy.TIP: For optimal ANC performance, do not block the cargo area speaker.POWERTRAINSThere are two powertrain combinations available on the Equinox.2.4L SIDI VVT 4-CYLINDER ENGINE (RPO LAF)This is the standard engine on all models. It provides 182horsepower and 174 lb.-ft. of torque and is available in bothfront- and all-wheel-drive configurations. Fuel economy of 21 mpgcity/30 mpg highway is expected to be segment leading onthe highway (10.1 L/100 km city and 6.7 L/100 km highway,Canada). And the 18.5-gallon (71 L) fuel tank allows a 564-mile(1059 km) range.6T45 SIX-SPEED HYDRA-MATIC AUTOMATIC TRANSMISSIONThis transmission is standard with the 2.4L SIDI VVT4-cylinder engine. It is designed for torque handling capability.Wide overall ratios help contribute to maximized acceleration,enhanced fuel economy and reduced noise, vibration andharshness (NVH). This transmission is equipped with premiumfluid, which need not be replaced in normal use.3.0L SIDI VVT V6 ENGINE (RPO LF1)This engine is available on LT and LTZ models. It offers264 horsepower and 214 lb.-ft. of torque, is available in bothfront- and all-wheel-drive configurations and has a 3500-lb.towing capacity. It provides 18 mpg city and 25 mpg highway(11.9 L/100 km city and 8.1 L/100 km highway, Canada). Andthe 20.9-gallon (79L) fuel tank allows a 520-mile (975 km) range.6T70 SIX-SPEED HYDRA-MATIC AUTOMATIC TRANSMISSIONThis transmission is standard with the 3.0L SIDI VVT V6engine. It is designed for torque handling capability to meetthe needs of the high-output 3.0L DI VVT V6. Wide overallratios help provide exceptional launch feel, enhanced fueleconomy and reduced NVH.or off. The ECO light in the instrument cluster illuminates.– The transmission upshifts sooner and downshifts later.– The torque converter clutch applies sooner andstays on longer.– The gas pedal is less sensitive.– The vehicle’s computers more-aggressively shut off fuel tothe engine under deceleration.– Reduced idle adjusts idle to economically address requiredloads/draws depending on what feature is on.REARVIEW CAMERA SYSTEMEquinox offers an available Rearview Camera System thatdisplays images either in the rearview mirror (using a built-inmini display screen) or color interface display on vehicles equippedwith the navigation system. Thissystem provides excellent assistance and added security whenbacking up, parallel parking or trailertowing. The camera is locatedRear Vision mirrorabove the license plate.INFOTAINMENTELECTRONIC RANGE SELECT (ERS) MODEThe switch located on the shifterhandle allows the driver to manually select the range of gear positions. This feature can be used tolimit the top gear while towing orto downshift when driving on adownhill grade to provide enginebraking. All gears below theselected gear will be available touse. If vehicle speed is too highor too low for the requested gear,the shift will not occur.Rear Seat Entertainment System includes segment exclusivetwin seat-back flip-up screens. The second level of radio/infotainment systems includes everything included with the base radio,as well as the following:– DVD audio and video playback capability, including theability to play video in surround sound if the vehicle isequipped with the premium audio system;– USB connectivity.– A two-gigabyte (2GB) internal flash memory for time-shifting (audio-buffering; e.g. TiVo capability) AM, FM and XMbroadcasts; ripping of CDs; and copying content from USBmemory sticks.– Twin seatback mounted flip-up LCD video screen moduleswith eight-inch (20 cm) WVGA color display.– Auxiliary video devices such as video games can be playedindependently on the rear screens, or a DVD movie can beplayed on one screen, while gaming takes place on theother. Video input jacks are integrated into both screen modules, or can be accessed at the rear of the center console.A ECO buttonB Range switchECONOMY (ECO) MODEOn vehicles with 4-cylinder engine, the Economy (ECO)Mode can improve the vehicle’s fuel economy by changing thetransmission shift points and making several other fuel-savingadjustments.Press the ECO button by the shift lever to turn this feature on2continued on page 3June 2009
ENHANCED NAVIGATIONSYSTEMThe Navigation System available onthe new Equinox incorporates a satellitebased traffic information service, XMNAV Traffic .– In select metro areas, XM NavTraffic provides real time informationon construction, accidents, andcongestion.– XM Weather provides 3-dayforecasts and current weatherwarnings.– Voice-based destination commandsmake use intuitive, fast and easy.– Point of Interest preset buttonsenable quick access to information.– Navigation database DVD does nothave to be left in the unit, due to40 GB hard drive (yearly updatesavailable to the NAV DVD).– OnStar Turn-by-Turn Navigationprovides audio step-by-step directions if desired and is standardequipment on all models.RACK-MOUNTED ELECTRICPOWER STEERING – EPSA REPS (rack-mounted electric powersteering) system is used on modelsequipped with the 2.4-liter VVT directinjection four-cylinder engine, primarilyfor buyers interested in more fuel efficiency. EPS eliminates the need for apower steering accessory drive thatruns off the engine, reducing associatedparasitic loses.Due to its rack-mounted configuration(as opposed to column mounted) andinput torque sensor, the steering systemdelivers more precise reaction to steeringinputs and better overall on-line centerfee, both of which contribute to the vehicle’s unexpected performance balance.REAR WIPERThe rearwiper controls are onthe end ofthe windshield wiperlever. Pressthe upper orlower portionof the button to control the rear wiperand rear wiper delay. The system turnsJune 2009off when the button is returned to themiddle position. Push the windshieldwiper lever forward to spray washer fluidon the rear window. The lever returns toits starting position when released.POWER LIFTGATEOn vehicles with a power liftgate, theswitch is located on the overhead console. The vehicle must be in P (Park) touse the power feature. The taillampsflash when the power liftgate moves.Power Liftgate ModesThe power liftgatehas three modes ofoperation. Modeselection is controlled by the interior mode switch.Off Mode(Disable) – Poweris disabled. The liftgate will operate as amanual liftgate.TIP: Manual effort is higher than with astandard non-power liftgate.3/4 Mode (Programmable) – Theliftgate powers open to a height programmed by the owner (to prevent liftgate from hitting overhead obstructions).Max Mode (Full Open) – The liftgatewill power open to the full open height.Power Liftgate OperationIn either the 3/4 or Max mode, theliftgate can be powered open and closedin the following ways:Remote Keyless Entry (RKE) – Pressand hold the power liftgate button onthe RKE transmitter until the liftgatestarts moving.From Inside the Vehicle – Press thepower liftgate button on the center of themode switchFrom Outside the Vehicle – Press thetouchpad switch on the liftgate outsidehandle to open the gate. Press thepower liftgate button on the liftgate adjacent to the latch to close the gate.Stopping or Changing the Directionof Liftgate Travel – Pressing any buttonor the touchpad switch while the liftgateis moving will stop and hold the liftgateat the current position. Pressing the button or touchpad switch again will reversethe direction of travel.TIP: There is a minimum open anglethat the power liftgate system will holdthe liftgate open. If stopped below that3angle, the liftgate will close.TIP: Do not force the liftgate open orclosed during a power cycle.TIP: If the liftgate is powered openand the liftgate support struts have lostpressure, the taillights will flash and achime will sound. The liftgate will stayopen temporarily, then slowly close.TIP: The liftgate has an electric latch.If the battery is disconnected or has lowvoltage, the liftgate will not open. Theliftgate will resume operation when thebattery is reconnected and charged.Programming 3/4 ModeWith the mode control in the 3/4position, open the liftgate by any desiredmethod. When it reaches the desiredposition, press any button to stop it.Manually adjust if necessary. Then pressand hold the touchpad by the rear latchuntil the taillamps blink.Obstacle Detection FeaturesIf the liftgate encounters an obstacleduring a power open or close cycle, awarning chime will sound and the liftgatewill automatically reverse direction to thefull closed or open position.TIP: If the liftgate encounters multipleobstacles on the same power cycle, thepower function will deactivate.Pinch sensors are located on the sideedges of the liftgate. If an object iscaught between the liftgate and the bodyand presses against a sensor, the liftgatewill reverse direction and open fully.POWER DOOR LOCKSTIP: When the door is locked, it isnecessary to pull the inside handleTWICE – first to unlock, second torelease the door latch.EQUINOX TRAININGTechAssists:TechRear Vision Camera/ISRVM18044.24T1MPIM/PDIM/Audio Bluetooth19047.18T1Rack Mounted EPS13041.13T1Other Existing Classes(that also apply to the Equinox)SIDI*16340.14D (IDL)16043.51W (Web based)Rear Vision Camera Gen 435 PSI Tire PressureMultiple Diagnostic Interface(MDI) FamiliarizationGM Global Diagnostic System16041.07W(Web based)13044.12T2(TechAssist)16048.25W-R2(Web based)16048.26W(Web based)*Applies to both the 2.4L LAF Engine and the 3.0LLF1 Engine– Thanks to Ange Girolamo, Jon Nowakand Mike Golinski
2010 Buick LaCrosse– continued from page 1POWERTRAINSInitially, there will be two V6 powertrain combinations available on the LaCrosse. A 4-cylinder powertrain will be introduced later inthe model year, and information will be available at that time.3.0L SIDI VVT V6 ENGINE (RPO LF1)This engine is available on CX andCXL models. It offers 255 horsepowerand 217 lb.-ft. of torque, and is availablein both front- and all-wheel-drive (CXL)configurations. It provides (estimated)18 mpg city/27 mpg highway (CX)(11.1L/100 km city and 7.4 l/100 kmhighway, Canada). And it usesregular gasoline.6T70 SIX-SPEED HYDRA-MATICAUTOMATIC TRANSMISSIONThis transmission is standard with bothengines. All gearing is inline with theengine crankshaft, resulting in shorteroverall vehicle length, lower powertrainheight and more interior room. Thistransmission features adaptive shiftcontrols, automatic grade braking andtap up/tap down capability. It requiresminimal maintenance due to 100,000mile (160,000 km) DEXRON VI fluid.3.6L SIDI VVT V6 ENGINE (RPO LLT)This engine is available on the CXL.It offers 280 horsepower and 259 lb.-ft.of torque. It provides (estimated)17 mpg city/26 mpg highway(11.8 L/100 km city and 8.3 L/100 kmhighway, Canada).display screens built intothe headrests, and wirelessheadphones.HID ARTICULATING HEADLAMPSAdaptive forward lighting(available) features XenonHID lamps that turn in thesame direction as thevehicle (up to 15 degrees)to enhance visibility incorners and curves.ELECTRONIC PARKBRAKEThe conventionalmechanical park brake isreplaced by an innovativebutton-controlled systemwith a switch in the centerconsole. The system hastwo warning lights identified as PARK and (P) and three Driver Information Center (DIC)messages. In case of insufficient electrical power, the EPBcannot be applied or released.The PARK light is used forall apply and release functionsas well as "hard" failures whichrequire the vehicle to betowed to the dealer. The (P)light is used only to indicatethere is a problem with thePARK symbolPark Brake System. Thevehicle canbe drivento thedealer, butis functioning at areducedlevel.QUIETTUNING QuietTuning is a Buick exclusive engineering process toreduce, block and absorb cabin noise. Among the noise attenuation features are acoustic-laminated glass, acoustic wheelhouseliners, acoustic dash mat, triple-sealed doors, liquid-appliedsound deadener, isolated engine and suspension, and integratedradio antenna.PANORAMICSUNROOFAn available panoramicsunroof provides additional interior light for frontand rear passengers,using a movable frontpanel and stationaryrear panel.ENTERTAINMENTPACKAGEThis package is standard onCXS and optional on the others. Itincludes a harmon/kardon 384 watt,11-speaker system, USB port and120V power outlet.And an available rear seatentertainment system includes two– Thanks toEric KenarPARK symbol (Export)4(P) symbolJune 2009
Passenger Presence System – 2010 Camaronent in the PPS system. The history codes still need to becleared through the MDI tool, and appropriate electrical testsand visual inspections must be conducted in order to ensurethat there is no intermittent problem.After installing any of the PPS components, the system needsto be rezeroed using the MDI tool. This will update the emptyseat reference values stored in the ECU and ensure propersystem performance.This is the proper procedure to rezero the PPS system (seeSI document 2092991). After the PPS recognizes the rezeroingcommand:1. Ensure that the passenger seat is empty before initiating arezeroing command. Also check that there are no activeDTCs in the PPS.2. With the MDI tool, initiate a rezeroing command.3. If the system classifies the current seat condition asEmpty, it will update the reference values.4. After 20 seconds, cycle the ignition off to on.5. Verify that the rezero is successful by sitting on the passenger seat and verifying that the passenger air bag telltalelight changes from OFF to ON. If the telltale does notchange, follow the SI instructions for DTCsA DTC B0081 11 will set to indicate that the rezeroingprocess has failed.IMPORTANT:1. If the system fails to rezero, verify the passenger seat isempty and no active DTCs exist. Then resend the zerocommand and follow the instruction above at leastthree times.2. During the rezeroing process, the seat must be empty ofall objects and the clearance specified in SI must beobserved.Here are some tips on the Passenger Presence System (PPS)on the 2010 Camaro.HOW THE SYSTEM WORKSThe main functionof the PPS is to determine whether toturn the right frontpassenger airbag ONor OFF, based on theoccupant’s size andweight.There are twocomponents thatmake up the PPS –the module andModule location beneath seatsensing mat. Themodule and sensingmat are part ofthe seat.The module ismounted under theseat pan and thesensing mat isassembled betweenthe seat foam cushion and seat pan.The sensing matconverts the frontpassenger occupant’ssize and weight intoan electrical signalthat the modulereads and determinesSensor mat locationthe passenger’sclassification.For additional information, a streamingvideo is available from the GM TrainingDTCwebsite (U.S. only). Click Web Video Libraryfrom the main menu, then Technical, andB0074 00then do key word search on Occupant.The course, 22048.40V – Occupant SafetySystems, is at the top of the list. You canB0074 04also call 1.800.393.4831 to order a copy ofthis video. In Canada, a Service Know HowB0081 42DVD is available, Occupant Safety Systems50325.39V.PARTS CAN BE SERVICEDSEPARATELYThis system allows you to service eachcomponent separately, module and/orsensing mat.Please note that there are two laborcodes, C8870 for the module and C8871for the sensor.DIAGNOSTIC TROUBLE CODESThe Diagnostic Trouble Code (DTC)information for the PPS can be retrievedwith the MDI tool and the Global DiagnosticSystem.Refer to SI document 2092991 for details,summarized in the accompanying table.Generally, if the PPS has history codesonly and no active codes are currently set,there is no need to replace either compoJune 2009– Thanks to Esther Anderson, Joe Garcia and Sue RashidDESCRIPTIONPOSSIBLE ROOT CAUSEFlex Mat Sensor PerformanceSensing mat open circuit. Check the sensing matfor damage. If parts replacement is required,replace sensor mat only.Flex Mat DisconnectedSensing mat disconnected. Check sensing matconnections. Re-connect sensor mat.Calibration Not LearnedSeat not rezeroed at seat supplier or dealershipNeed to rezero the systemB0081 11Rezero ErrorFailed rezero. Seat must be empty during rezero.Check the system for DTCs. Rerun the rezerosequence.B101D 00Electronic control unit (ECU)hardware performance - Noadditional information requiredCheck connections. If parts replacement is required,replace ECU only.B101E 00Electronic control unit (ECU)hardware performance - Noadditional information requiredCheck connections. If parts replacement is required,replace ECU only.B101D 3aIncorrect Component InstalledCheck if the correct components are installed AOSand SDMB1325 03Battery Voltage LowCheck vehicle battery with IGN on RUNB1325 07Battery Voltage HighCheck vehicle battery with IGN on RUNU0140 00Lost Comms BCMCheck BCM and clear DTCU01
LaCrosse (Allure in Canada) is Buick’s first global vehicle, designed and engineered in GM centers in Europe, Asia and North America. It is distinguished by premium content, world-class quietness and high-tech powertrains. LaCrosse offers coupe-like styling with 4-door sedan comfort. LaCrosse is offered in three levels – CX, CXL and CXS .
Action as Outlined) Models: 2007-2009 Buick Lacrosse, Allure (Canada Only) 2007-2010 Buick Enclave 2010 Buick Lacrosse 2007-2010 Cadillac CTS Sedan, CTS Sport Wagon, SRX, STS 2008-2010 Chevrolet Equinox, Malibu 2009-2010 Chevrolet Traverse 2010 Chevrolet Camaro 2007-2010 GMC Acadia 2007-2010 Pontiac G6 2008-2009 Pontiac G8, Torrent
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