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Wheel and Tire Specifications Wheels:


17 x 7 1/2 J


Tires:


P245/65R17 105T


306


for DOT tire quality


See page grading information, and page for tire size information. 308


Winter Driving Tires marked ‘‘M S’’ or ‘‘All Season’’ on the sidewall have an all- weather tread design suitable for most winter driving conditions.



For the best performance in snowy or icy conditions, you should install snow tires or tire chains. They may be required by local laws under certain conditions.


Snow Tires If you mount snow tires on your vehicle, make sure they are radial tires of the same size and load range as the original tires. Mount snow tires on all four wheels. The traction provided by snow tires on dry roads may be lower than your original tires. Check with the tire dealer for maximum speed recommendations.


Tire Chains Mount tire chains on your tires when required by driving conditions or local laws. Install them only on the front tires. Do not use chains on the rear tires.


Because your vehicle has limited tire clearance, we strongly recommend using this Quality Chain Corp. tire chain:


Premium Cobra Cable Chain # adjusters


1046P with accessory



This tire chain is available at many auto supply stores. To find a local store that carries the chain, call Quality Chain Corp at 1-800-843-8824. To order the tire chain online, go to , and enter your www.chainquest.com vehicle information. When you install the chains, follow the manufacturer’s instructions, and mount them as tightly as you can. Drive slowly with the chains installed.



Rubber chain adjusters, or tensioners, must be used to prevent the chains from contacting the body or the chassis.


CONTINUED


271


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Checking the Battery


TEST INDICATOR WINDOW


Traction devices that are the wrong size or improperly installed can damage your vehicle’s brake lines, suspension, body, and wheels. Stop driving if they are hitting any part of the vehicle.


Check the condition of the battery monthly by looking at the test indicator window. The label on the battery explains the test indicator’s colors.


Tires, Checking the Battery


Using the wrong chains, or not properly installing chains, can damage the brake lines and cause a crash in which you can be seriously injured or killed.


Follow all instructions in this owner’s manual regarding the selection and use of tire chains.


If you ever hear the chains contacting the body or chassis, stop and investigate. If the chains have loosened, retighten them. Make sure they do not contact the brake lines or suspension.


Remove the chains as soon as you begin driving on cleared roads.


272


2008 Ridgeline 07/04/27 14:17:57 31SJC620 0278 


Checking the Battery


Check the terminals for corrosion (a white or yellowish powder). To remove it, cover the terminals with a solution of baking soda and water. It will bubble up and turn brown. When this stops, wash it off with plain water. Dry off the battery with a cloth or paper towel. Coat the terminals with grease to help prevent future corrosion.


If additional battery maintenance is needed, see your dealer or a qualified technician.


Battery posts,


WARNING: terminals, and related accessories contain lead and lead compounds. Wash your hands after handling.


If you need to connect the battery to a charger, disconnect both cables to prevent damaging your vehicle’s electrical system. Always disconnect the negative ( − reconnect it last.


) cable first, and


The battery gives off explosive hydrogen gas during normal operation.


A spark or flame can cause the battery to explode with enough force to kill or seriously hurt you.


Wear protective clothing and a face shield, or have a skilled technician do the battery maintenance.


Onvehicleswithoutnavigationsystem If your vehicle’s battery is disconnected, or goes dead, the time setting may be lost. To reset the time, see page


167


If your vehicle’s battery is disconnected or goes dead, the audio system may disable itself. The next time you turn on the radio you will see ‘‘CODE’’ in the frequency display. Use the preset bars to enter the code (see page


166


).


Onvehicleswithnavigationsystem The navigation system will also disable itself. The next time you turn on the ignition switch, the system will require you to enter a PIN before it can be used. Refer to the navigation system manual.


273


2008 Ridgeline 07/04/27 14:18:06 31SJC620 0279 


Vehicle Storage


If you need to park your vehicle for an extended period (more than 1
month), there are several things you should do to prepare it for storage. Proper preparation helps prevent deterioration and makes it easier to get your vehicle back on the road. If possible, store your vehicle indoors.


Fill the fuel tank.


Wash and dry the exterior completely.


Clean the interior. Make sure the carpeting, floor mats, etc., are completely dry.


Leave the parking brake off. Put the transmission in Park.


274


Cover the vehicle with a ‘‘breathable’’ cover, one made from a porous material such as cotton. Non-porous materials, such as plastic sheeting, trap moisture, which can damage the paint.


If possible, periodically run the engine until it reaches full operating temperature (the cooling fans cycle on and off twice). Preferably, do this once a month.


Block the rear wheels.


If the vehicle is to be stored for a longer period, it should be supported on jackstands so the tires are off the ground.


Leave one window open slightly (if the vehicle is being stored indoors).


Disconnect the battery.


Support the front wiper blade arms with a folded towel or rag so they do not touch the windshield.


To minimize sticking, apply a silicone spray lubricant to all door, In-Bed Trunk lid, and tailgate seals. Also, apply a vehicle body wax to the painted surfaces that mate with the door, In-Bed Trunk lid and tailgate seals.


2008 Ridgeline 07/04/27 14:18:10 31SJC620 0280 


Taking Care of the Unexpected


This section covers the more common problems that motorists experience with their vehicles. It gives you information about how to safely evaluate the problem and what to do to correct it. If the problem has stranded you on the side of the road, you may be able to get going again. If not, you will also find instructions on getting your vehicle towed.


Compact Spare Tire Changing a Flat Tire If the Engine Won’t Start Jump Starting If the Engine Overheats Low Oil Pressure Indicator Charging System Indicator Malfunction Indicator Lamp Brake System Indicator Fuses Fuse Locations Emergency Towing If Your Vehicle Gets Stuck


...................... .................... ............. ................................ .............. ......... .......... ....... ............... .............................................. .............................. ...................... ..........


. 276
. 277
. 285
. 286
. 288
. 290
. 290
. 291
. 292
. 293
. 296
. 298
. 299


275


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Compact Spare Tire


Use the compact spare tire as a temporary replacement only. Get your regular tire repaired or replaced, and put it back on your vehicle as soon as you can.


Check the inflation pressure of the compact spare tire every time you check the other tires. It should be inflated to: 60 psi (420 kPa , 4.2 kgf/cm )


Follow these precautions:


Never exceed 50 mph (80 km/h).


This tire gives a harsher ride and less traction on some road surfaces. Use greater caution while driving.


276


Do not mount snow chains on a compact spare.


Do not use your compact spare tire on another vehicle unless it is the same make and model.


The tire pressure monitoring system (TPMS) indicator comes on and stays on after you replace the flat tire with the compact spare tire.


INDICATOR LOCATION MARK


TREAD WEAR INDICATOR BAR


Replace the tire when you can see the tread wear indicator bars. The replacement should be the same size and design tire, mounted on the same wheel. The spare tire is not designed to be mounted on a regular wheel, and the spare wheel is not designed for mounting a regular tire.


2008 Ridgeline 07/04/27 14:18:25 31SJC620 0282 


Changing a Flat Tire


If you have a flat tire while driving, stop in a safe place to change it. Drive slowly along the shoulder until you get to an exit or an area to stop that is far away from the traffic lanes.


The vehicle can easily roll off the jack, seriously injuring anyone underneath.


Follow the directions for changing a tire exactly, and never get under the vehicle when it is supported only by the jack.


If you tow a trailer frequently, we recommend that you use a regular tire as a spare. You can store the regular size spare tire on the tire tray, but store the tool kit at the side of the In-Bed Trunk (see page ), and secure it.


283


TOOL BOX


1.


Park the vehicle on firm, level, and non-slippery ground. Put the transmission in Park. Apply the parking brake. If you are towing a trailer, unhitch it.


SPARE TIRE


2.


Turn on the hazard warning lights, and turn the ignition switch to the LOCK (0) position. Have all passengers get out of the vehicle while you change the tire.


CONTINUED


277


2008 Ridgeline 07/04/27 14:18:34 31SJC620 0283 


Changing a Flat Tire


WING BOLT


TIRE TRAY HOLDING BOLTS


TIRE TRAY


3.


Open the In-Bed Trunk.


4.


Remove the two tire tray holding bolts.


5.


Pull out the tire tray with the handle, and hook the rear of the tire tray to the guides on the back edge of the In-Bed Trunk.


If you are using a cargo net or a cargo cover in the In-Bed Trunk, remove it before pulling out the tire tray.


TOOL BOX


STRAP


6.


Unfasten the strap to remove the tool box, and unscrew the wing bolt.


7.


Take out the compact spare tire.


278


2008 Ridgeline 07/04/27 14:18:40 31SJC620 0284 


Changing a Flat Tire


JACKING POINT


DIAL


8.


Loosen each wheel nut 1/2 turn with the wheel nut wrench.


9.


Place the jack under the jacking point nearest the tire you need to change.


10.


Turn the dial at the bottom of the jack clockwise until the top of the jack contacts the jacking point. Make sure the jacking point tab is resting in the jack notch.


CONTINUED


279


2008 Ridgeline 07/04/27 14:18:47 31SJC620 0285 


Changing a Flat Tire


CONNECTOR BUTTON


WHEEL NUT WRENCH


DIAL


HOOK


EXTENSION


STAY


CONNECTOR BUTTON


11.


Attach the stay to the extension, then attach the wheel nut wrench to the end of the extension.


12.


Insert the hook at the end of the stay into the opening on the dial at the bottom of the jack.


Make sure the stay, the extension, and the wheel nut wrench are securely attached.


13.


Turn the jack dial (wheel nut wrench) clockwise as shown to raise the vehicle until the flat tire is off the ground.


280


2008 Ridgeline 07/04/27 14:18:54 31SJC620 0286 


WHEEL CAP


14.


RT/LX model is shown. Remove the wheel nuts and the wheel cap (on RT and Canadian LX models) then remove the flat tire. Handle the wheel nuts carefully; they may be hot from driving. Place the flat tire on the ground with the outside surface facing up.


OnRTandCanadianLXmodels The wheel cap cannot be removed without first removing the wheel nuts.


BRAKE HUB


15.


Before mounting the spare tire, wipe any dirt off the mounting surface of the wheel and hub with a clean cloth. Wipe the hub carefully; it may be hot from driving.


Changing a Flat Tire


16.


Put on the spare tire. Put the wheel nuts back on finger-tight, then tighten them in a crisscross pattern with the wheel nut wrench until the wheel is firmly against the hub. Do not try to tighten the wheel nuts fully.


17.


Lower the vehicle to the ground, and remove the jack.


CONTINUED


281


2008 Ridgeline 07/04/27 14:19:03 31SJC620 0287 


Changing a Flat Tire


WING BOLT


23.


Release the tire tray and slide it back in place.


24.


Tighten the tire tray holding bolts securely.


SPACER CONE


For normal tire


For spare tire


20.


Place the flat tire face up on the tire tray.


21.


Remove the spacer cone from the wing bolt, turn it over, and put it back on the bolt.


22.


Secure the flat tire by screwing the wing bolt back into its hole.


18.


Tighten the wheel nuts securely in the same crisscross pattern. Have the wheel nut torque checked at the nearest automotive service facility. Tighten the wheel nuts to: 94 lbf·ft (127 N·m , 13 kgf·m)


19.


OnRTX,RTS,RTL,andCanadian EXLmodels Remove the center cap from the flat tire.


282


2008 Ridgeline 07/04/27 14:19:08 31SJC620 0288 


Changing a Flat Tire


TOOL BOX


25.


Store the jack and the tools in the tool box.


26.


When storing the flat tire, place the tool box at the right side of the In-Bed Trunk as shown.


27.


28.


Loose items can be thrown out of the vehicle in a crash and could seriously injure the occupants.


Store the wheel, jack, and tools securely before driving.


Store the wheel cap or center cap in the In-Bed Trunk. Make sure it does not get scratched or damaged.


Refer to TPMS


Changing a Tire with (see page


210


).


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2008 Ridgeline 07/04/27 14:19:16 31SJC620 0289 


Changing a Flat Tire


Securing a Spare Tire on the Pickup Bed


As a temporary mounting location, you can secure a spare tire on the pickup bed, if needed.


1.


Remove the clip by pushing the center of its top.


2.


Remove the spare tire from the tire tray (see page


278


).


284


SPACER CONE


If you remove the spare tire from the pickup bed, reinstall the clip back into its hole.


WING BOLT


3.


Place the spare tire on the pickup bed as shown.


4.


Place the spacer cone in the wheel hub, and secure the spare tire to the pickup bed with the wing bolt.


5.


Store or secure the tool box.


2008 Ridgeline 07/04/27 14:19:27 31SJC620 0290 


If the Engine Won’t Start


Diagnosing why the engine won’t start falls into two areas, depending on what you hear when you turn the ignition switch to the START (III) position:


You hear nothing, or almost nothing. The engine’s starter motor does not operate at all, or operates very slowly.


You can hear the starter motor operating normally, or the starter motor sounds like it is spinning faster than normal, but the engine does not start up and run.


Nothing Happens or the Starter Motor Operates Very Slowly When you turn the ignition switch to the START (III) position, you do not hear the normal noise of the engine trying to start. You may hear a clicking sound, a series of clicks, or nothing at all. Check these things:


Check the transmission interlock. The transmission must be in Park or neutral or the starter will not operate.


Turn the ignition switch to the ON (II) position. Turn on the headlights, and check their brightness. If the headlights are very dim or do not come on at all, the battery is discharged. See Jump Starting


on page


286


Turn the ignition switch to the START (III) position. If the headlights do not dim, check the condition of the fuses. If the fuses are OK, there is probably something wrong with the electrical circuit for the ignition switch or starter motor. You will need a qualified technician to determine the problem. See Emergency Towing


on page


298


If the headlights dim noticeably or go out when you try to start the engine, either the battery is discharged or the connections are corroded. Check the condition of the battery and terminal connec- tions (see page then try jump starting the vehicle from a booster battery (see page 286


). You can


272


).


The Starter Operates Normally In this case, the starter motor’s speed sounds normal, or even faster than normal, when you turn the ignition switch to the START (III) position, but the engine does not run.


Are you using a properly coded key? An improperly coded key will cause the immobilizer system indicator in the instrument panel to blink rapidly (see page ).


81


CONTINUED


285


2008 Ridgeline 07/04/27 14:19:36 31SJC620 0291 


If the Engine Won’t Start, Jump Starting


Jump Starting Although this seems like a simple procedure, you should take several precautions.


A battery can explode if you do not follow the correct procedure, seriously injuring anyone nearby.


Keep all sparks, open flames, and smoking materials away from the battery.


You cannot start your vehicle by pushing or pulling it.


ToJumpStartYourVehicle:


1.


Open the hood, and check the physical condition of the battery. In very cold weather, check the condition of the electrolyte. If it seems slushy or frozen, do not try jump starting until it thaws.


If a battery sits in extreme cold, the electrolyte inside can f reeze. Attempting to jump start with a f rozen battery can cause it to rupture.


2.


Turn off all electrical accessories: heater, A/C, climate control, audio system, lights, etc. Put the transmission in Park, and set the parking brake.


Are you using the proper starting Starting the procedure? Refer to Engine 200


on page


Do you have fuel? Check the fuel gauge; the low fuel indicator may not be working.


There may be an electrical problem, such as no power to the fuel pump. Check all the fuses (see page


293


).


If you find nothing wrong, you will need a qualified technician to find the problem. See Towing on page


Emergency 298


286


2008 Ridgeline 07/04/27 14:19:44 31SJC620 0292 


Jump Starting


5.


6.


7.


If the booster battery is in another vehicle, have an assistant start that vehicle and run it at a fast idle.


Start the vehicle. If the starter motor still operates slowly, check that the jumper cables have good metal-to-metal contact.


Once your vehicle is running, disconnect the negative cable from your vehicle, then from the booster battery. Disconnect the positive cable from your vehicle, then from the booster battery.


Keep the ends of the jumper cables away from each other and any metal on the vehicle until everything is disconnected. Otherwise, you may cause an electrical short.


287


4.



Connect the second jumper cable to the negative ( ) terminal on the booster battery. Connect the other end to the grounding strap as shown. Do not connect this jumper cable to any other part of the engine.


BOOSTER BATTERY


The numbers in the illustration show you the order to connect the jumper cables.


3.



Connect one jumper cable to the positive ( ) terminal on your vehicle’s battery. Connect the other end to the positive ( terminal on the booster battery.



2008 Ridgeline 07/04/27 14:19:51 31SJC620 0293 


If the Engine Overheats


The pointer of your vehicle’s temperature gauge should stay in the midrange under most conditions. If it climbs to the red mark, you should determine the reason (hot day, driving up a steep hill, etc.).


If the vehicle overheats, you should take immediate action. The only indication may be the temperature gauge climbing to or above the red mark. Or you may see steam or spray coming from under the hood.


Driving with the temperature gauge pointer at the red mark can cause serious damage to the engine.


288


Steam and spray from an overheated engine can seriously scald you.


Do not open the hood if steam is coming out.


1.


2.


3.


Safely pull to the side of the road. Put the transmission in Park, and set the parking brake. Turn off all accessories, and turn on the hazard warning lights.


If you see steam and/or spray coming from under the hood, turn off the engine. Wait until you see no more signs of steam or spray, then open the hood.


If you do not see steam or spray, leave the engine running and watch the temperature gauge. If the high heat is due to overloading, the engine should start to cool down almost immediately. If it does, wait until the temperature gauge comes down to the midpoint, then continue driving.


2008 Ridgeline 07/04/27 14:19:59 31SJC620 0294 


4.


If the temperature gauge stays at the red mark, turn off the engine.


5.


6.


7.


Look for any obvious coolant leaks, such as a split radiator hose. Everything is still extremely hot, so use caution. If you find a leak, it must be repaired before you Emergency continue driving (see Towing ). 298


on page


If you do not find an obvious leak, check the coolant level in the radiator reserve tank. Add coolant if the level is below the MIN mark.


If there was no coolant in the reserve tank, you may need to add coolant to the radiator. Let the engine cool down until the pointer reaches the middle of the tempera- ture gauge, or lower, before check- ing the radiator.


Removing the radiator cap while the engine is hot can cause the coolant to spray out, seriously scalding you.


Always let the engine and radiator cool down before removing the radiator cap.


8.


Using gloves or a large heavy cloth, turn the radiator cap counterclockwise, without pushing down, to the first stop. After the pressure releases, push down on the cap, and turn it until it comes off.


If the Engine Overheats


9.


’’). Add coolant to the


Start the engine, and set the temperature to maximum heat (climate control to AUTO at ‘‘ radiator up to the base of the filler neck. If you do not have the proper coolant mixture available, you can add plain water. Remember to have the cooling system drained and refilled with the proper mixture as soon as you can.


10.


11.


Put the radiator cap back on tightly. Run the engine, and check the temperature gauge. If it goes back to the red mark, the engine needs repair (see Towing on page


Emergency 298


).


If the temperature stays normal, check the coolant level in the radiator reserve tank. If it has gone down, add coolant to the MAX mark. Put the cap back on tightly.


289


2008 Ridgeline 07/04/27 14:20:09 31SJC620 0295 


Low Oil Pressure Indicator, Charging System Indicator


Low Oil Pressure Indicator


This indicator should never come on when the engine is running. If it starts flashing or stays on, the oil pressure has dropped very low or lost pressure. Serious engine damage is possible, and you should take immediate action.


Running the engine with low oil pressure can cause serious mechanical damage almost immediately. Turn of f the engine as soon as you can saf ely get the vehicle stopped.


1.


2.


3.


4.


290


Safely pull off the road, and shut off the engine. Turn on the hazard warning indicators.


Let the vehicle sit for a minute. Open the hood, and check the oil level (see page ). An engine very low on oil can lose pressure during cornering and other driving maneuvers.


184


If necessary, add oil to bring the level back to the full mark on the dipstick (see page


248


).


Start the engine, and watch the oil pressure indicator. If it does not go out within 10 seconds, turn off the engine. There is a mechanical problem that needs to be repaired before you can continue driving (see 298


Emergency Towing ).


on page


Charging System Indicator


If the charging system indicator comes on brightly


when the engine is running, the battery is not being charged.


Immediately turn off all electrical accessories. Try not to use other electrically operated controls such as the power windows. Keep the engine running; starting the engine will discharge the battery rapidly.


Go to a service station or garage where you can get technical assistance.


2008 Ridgeline 07/04/27 14:20:16 31SJC620 0296 


If this indicator comes on while driving, it means one


of the engine’s emissions control systems may have a problem. Even though you may feel no difference in your vehicle’s performance, it can reduce your fuel economy and cause increased emissions. Continued operation may cause serious damage.


If you have recently refueled your vehicle, the indicator could come on because of a loose or missing fuel fill cap. You will also see a ‘‘TIGHTEN FUEL CAP’’ message on the information display. Tighten the cap until it clicks at least once. Tightening the cap will not turn the indicator off immediately; it can take several days of normal driving.


If the indicator comes on repeatedly, even though it may turn off as you continue driving, have your vehicle checked by the dealer as soon as possible.


If you keep driving with the malf unction indicator lamp on, you can damage your vehicle’s emissions controls and engine. Those repairs may not be covered by your vehicle’s warranties.


The indicator may also come on with the ‘‘D’’ indicator.


Readiness Codes Your vehicle has certain ‘‘readiness codes’’ that are part of the on-board diagnostics for the emissions systems. In some states, part of the emissions testing is to make sure these codes are set. If they are not set, the test cannot be completed.


Malfunction Indicator Lamp


If the battery in your vehicle has been disconnected or gone dead, these codes may be erased. It can take several days of driving under various conditions to set the codes again.


To check if they are set, turn the ignition switch to the ON (II) position, without starting the engine. The malfunction indicator lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks five times, the readiness codes are not set. If possible, do not take your vehicle for a state emissions test until the readiness Emissions codes are set. Refer to Testing for more information (see 315
page ).


291


2008 Ridgeline 07/04/27 14:20:23 31SJC620 0297 


Brake System Indicator


However, if the brake pedal does not feel normal, you should take immediate action. A problem in one part of the system’s dual circuit design will still give you braking at two wheels. You will feel the brake pedal go down much farther before the vehicle begins to slow down, and you will have to press harder on the pedal.


If the ABS indicator and the VSA system indicator come on with the brake system indicator, have your vehicle inspected by your dealer immediately.


Slow down by shifting to a lower gear, and pull to the side of the road when it is safe. Because of the long distance needed to stop, it is hazardous to drive the vehicle. You should have it towed, and repaired as soon as possible (see Towing 298


Emergency ).


on page


If you must drive the vehicle a short distance in this condition, drive slowly and carefully.


U.S.


Canada


The brake system indicator normally comes on when you turn the ignition switch to the ON (II) position, and as a reminder to check the parking brake. It will stay on if you do not fully release the parking brake.


If the brake system indicator comes on while driving, the brake fluid level is probably low. Press lightly on the brake pedal to see if it feels normal. If it does, check the brake fluid level the next time you stop at a service station (see page


255


).


If the fluid level is low, take your vehicle to a dealer, and have the brake system inspected for leaks or worn brake pads.


292


2008 Ridgeline 07/04/27 14:20:31 31SJC620 0298 


INTERIOR


NOTCH


UNDER-HOOD (PRIMARY)


UNDER-HOOD (SECONDARY)


Fuses


The vehicle’s fuses are contained in three fuse boxes.


The interior fuse box is on the driver’s lower left side. To remove the fuse box lid, put your finger in the notch on the lid, and pull it outward slightly, then pull it toward you and take it out of its hinges.


The primary under-hood fuse box is on the passenger’s side. The secondary fuse box is next to the brake fluid reservoir. To open them, push the tabs as shown.


296


and


Checking and Replacing Fuses If something electrical in your vehicle stops working, check for a blown fuse first. Determine from the chart on pages , or the diagram on the fuse box lid, which fuse or fuses control that device. Check those fuses first, but check all the fuses before deciding that a blown fuse is the cause. Replace any blown fuses, and check if the device works.


297


CONTINUED


293


2008 Ridgeline 07/04/27 14:20:38 31SJC620 0299 


Fuses


FUSE


BLOWN


BLOWN


FUSE PULLER


1.


Turn the ignition switch to the LOCK (0) position. Make sure the headlights and all other accessories are off.


Remove the cover from the fuse box.


3.


Check each of the large fuses in the primary under-hood fuse box by looking through the side window at the wire inside. Removing these fuses requires a Phillips-head screwdriver.


4.


Check the smaller fuses in the under-hood fuse boxes and all the fuses in the interior fuse box by pulling out each one with the fuse puller provided in the primary under-hood fuse box.


294


2008 Ridgeline 07/04/27 14:20:45 31SJC620 0300 


BLOWN


5.


Look for a blown wire inside the fuse. If it is blown, replace the fuse with one of the spare fuses of the same rating or lower.


If you cannot drive the vehicle without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. Make sure you can do without that circuit temporarily (such as the accessory power socket or radio).


If you replace the blown fuse with a spare fuse that has a lower rating, it might blow out again. This does not indicate anything wrong. Replace the fuse with one of the correct rating as soon as you can.


Replacing a f use with one that has a higher rating greatly increases the chances of damaging the electrical system. If you do not have a replacement f use with the proper rating f or the circuit, install one with a lower rating.


Fuses


6.


If the replacement fuse of the same rating blows in a short time, there is probably a serious electrical problem in your vehicle. Leave the blown fuse in that circuit and have your vehicle checked by a qualified technician.


If the driver’s power window fuse is removed, the AUTO function of the driver’s window may be disabled. To reset the AUTO function, see page 108


If the radio fuse is removed, the audio system will disable itself. The next time you turn on the radio you will see ‘‘CODE’’ in the frequency display. Use the preset bars to enter the code (see page


166


).


295


2008 Ridgeline 07/04/27 14:20:56 31SJC620 0301 


Fuse Locations


PRIMARY UNDER-HOOD FUSE BOX


No. 10
11
12


Amps. 10 A − 10 A 15 A 10 A 10 A 7.5 A 15 A 15 A − 15 A 7.5 A


Circuits Protected Left Headlight Low Beam Not Used Left Headlight High Beam Small Lights Right Headlight High Beam Right Headlight Low Beam Back Up FI ECU (PCM) DBW Not Used Heated Seat MG Clutch



SECONDARY UNDER-HOOD FUSE BOX


No. Amps. (7.5 A) 20 A 40 A 20 A 15 A (20 A)


296


Circuits Protected



Back Light VSA FSR VSA MTR VTM-4
Front Accessory Sockets Electric Brake



No. Amps. (20 A) (7.5 A) (20 A) 7.5 A 10
(20 A) 11


If equipped


No. Amps. 20 A 13
20 A 14
40 A 15
15 A 16
40 A 17
18
− 30 A 19
30 A 20
40 A 21
40 A 22
120 A 50 A 50 A −


23


24 28
− *


If equipped


Circuits Protected


Horn, Stop Defroster Back Up, ACC Hazard Option 1
Not Used Cooling Fan Condenser Fan Heater Motor Seat Battery + Power Window Spare Fuses


B IGI Main


Circuits Protected




Small Lights Stop/Turn Lights Charge TPMS Moonroof




2008 Ridgeline 07/04/27 14:21:03 31SJC620 0302 


INTERIOR FUSE BOX


No. 10
11
12
13
14
15
16
17


Amps. 7.5 A 15 A (10 A) 15 A 20 A 10 A 7.5 A 20 A 10 A 7.5 A 30 A −


(10 A) (20 A)



(20 A)



Circuits Protected



Bed Lights IG Coil Daytime Running Light LAF Radio Interior Lights Back Up Door Lock Rear Accessory Socket OPDS IG, Wiper Not Used Driver’s Power Seat Lumbar Driver’s Power Seat Sliding Not Used Driver’s Power Seat Reclining Not Used


**


**


**


* ** If equipped


Canadian models


Fuse Locations


No. 18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33


Amps. 15 A 15 A 7.5 A 7.5 A 10 A 7.5 A 20 A 20 A 20 A 20 A 20 A − 7.5 A 7.5 A 7.5 A (7.5 A)


Circuits Protected


IG ACG IG Fuel Pump IG Washer IG Meter IG SRS IGP Left Rear Window Right Rear Window Passenger’s Window Back Window Driver’s Window Not Used IG HAC IG VSA/ABS ACC Not Used


297


2008 Ridgeline 07/04/27 14:21:12 31SJC620 0303 


Emergency Towing


If your vehicle needs to be towed, call a professional towing service or organization. Never tow your vehicle with just a rope or chain. It is very dangerous. The only way you can safely tow your vehicle is with flat-bed equipment. The operator will load your vehicle on the back of a truck. Any other method of towing will damage the drive system. When you contact the towing agency, inform them a flat-bed is required.


Towing your vehicle with two tires on the ground will damage parts of the 4WD system. It should be transported on a f lat-bed truck or trailer.


298


If, due to damage, your vehicle must be towed with all four wheels on the ground, do the following:


Release the parking brake. Start the engine. Shift to D for several seconds, then to N. Turn off the engine.


Improper towing preparation will damage the transmission. Follow the above procedure exactly. If you cannot shif t the transmission or start the engine, your vehicle must be transported with the all f our wheels of f the ground.


With all four wheels on the ground, it is best to tow the vehicle no farther than 50 miles (80 km), and keep the speed below 35 mph (55 km/h).


The steering system can be damaged if the steering wheel is locked. Leave the ignition switch in the ACCESSORY (I) position, and make sure the steering wheel turns f reely bef ore you begin towing.


Trying to lif t or tow your vehicle by the bumpers will cause serious damage. The bumpers are not designed to support the vehicle’s weight.


2008 Ridgeline 07/04/27 14:21:19 31SJC620 0304 


If your vehicle gets stuck in sand, mud, or snow, call a towing service to pull it out (see the previous page).


REAR


TIE DOWN HOOK


FRONT


For very short distances, such as freeing the vehicle, you can use the tie down hooks on the lower left of the front and rear bumpers.


If Your Vehicle Gets Stuck


‘‘Rocking’’ your vehicle between f orward and reverse gear or revving up the engine and allowing the wheels to spin f reely at high speeds can damage the automatic transmission. Use a tow service to prevent transmission damage.


TIE DOWN HOOK


CONTINUED


299


2008 Ridgeline 07/04/27 14:21:23 31SJC620 0305 


If Your Vehicle Gets Stuck


To avoid damage to your vehicle, use the tie down hooks f or straight, f lat ground towing only. Do not tow at an angle. These hooks should not be used f or open-road towing.


300


2008 Ridgeline 07/04/27 14:21:26 31SJC620 0306 


Technical Information


The diagrams in this section give you the dimensions and capacities of your vehicle and the locations of the identification numbers. It also includes information you should know about your vehicle’s tires and emissions control systems.


Identification Numbers Specifications DOT Tire Quality Grading


................ ................................


. 302
. 304


(U.S. Vehicles)


......................


. 306


Uniform Tire Quality


Grading Treadwear Traction Temperature


.................................. ................................. ...................................... ............................. Tire Labeling ................................. Tire Pressure Monitoring System


(TPMS)


Explanation


Required Federal ............................ Emissions Controls ....................... The Clean Air Act ..................... Crankcase Emissions Control .................................... Evaporative Emissions Control ....................................


System


System



Onboard Refueling Vapor


. 306
. 306
. 306
. 307
. 308


. 310
. 312
. 312


. 312


. 312


Recovery


. 312
Exhaust Emissions Controls . 313
. 313


................................ ... ....................


PGM-FI System Ignition Timing Control


System


................................


. 313


Exhaust Gas Recirculation ...................


(EGR) System


Three Way Catalytic


. 313


Converter

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