2017 HONDA RIDGELINE ECU

512
uuMaintenance Under the Hood uOpening the Hood
Maintenance
Opening the Hood
1. Park the vehicle on a level surface, and set
the parking brake.
2. Pull the hood release handle under the
lower left corner of the dashboard.
u The hood will pop up slightly.
3. Push up the hood latch lever in the center
of the hood to release the lock mechanism,
and open the hood.
4. Remove the support rod from the clamp
using the grip. Mount the support rod in
the hood.
When closing, remove the support rod, and
stow it in the clamp, then gently lower the
hood. Remove your hand at a height of
approximately 12 inches (30 cm) and let the
hood close.1 Opening the Hood
NOTICE
Do not open the hood when the wiper arms are
raised: The hood will stri ke the wipers, and may
damage either the hood or the wipers.
When closing the hood, check that the hood is
securely latched.
If the hood latch lever moves stiffly, or if you can
open the hood without lifti ng the lever, the latch
mechanism should be cleaned and lubricated.
Hood Release Handle
Pull
Lever
Support RodGrip
Clamp

516
uuMaintenance Under the Hood uAdding Engine Oil
Maintenance
Adding Engine Oil
1. Unscrew and remove the engine oil fill cap.
2. Add oil slowly.
3. Reinstall the engine oil fill cap, and tighten
it securely.
4. Wait for three minutes and recheck the
engine oil dipstick.1Adding Engine Oil
NOTICE
Do not fill the engine oil above the upper mark.
Overfilling the engine oil can result in leaks and
engine damage.
If any oil spills, wipe it away immediately. Spilled oil
may damage the engine compartment components.
Engine Oil Fill Cap

uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
518
Maintenance
4. Remove the oil filter and dispose of the
remaining oil.
5. Check that the filter ga sket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
6. Wipe away dirt and dust adhering to the
contact surface of the oil filter base, and
install a new oil filter.
u Apply a light coat of new engine oil to
the oil filter rubber seal.
7. Put a new washer on the drain bolt, then
reinstall the drain bolt.
u Tightening torque:
29 lbf∙ft (39 N∙m, 4.0 kgf∙m)
8. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including
filter):
5.7 US qt (5.4 ℓ)
9. Reinstall the engine oil fill cap securely and
start the engine.
10. Run the engine for a few minutes, and
then check that there is no leak from the
drain bolt or oil filter.
11. Stop the engine, wait for three minutes,
and then check the oil level on the
dipstick.
u If necessary, add more engine oil.1Changing the Engine Oil and Oil Filter
You will need a special wrench to replace the oil
filter. You can buy this wrench from a dealer.
When installing the new oil filter, follow the
instructions supplied with the oil filter.
Reinstall the engine oil fill cap. Start the engine. The
low oil pressure indicator should go off within five
seconds. If it does not, turn off the engine, and check
your work.
Oil Filter

521
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission Fluid
Check the fluid level when the engine is at normal operating temperature.
1. Park on level ground, and start the engine.
2. Wait until the radiator fan starts and then
turn off the engine.
u Perform step 3 after waiting for about
60 seconds (less than 90 seconds).
3. Remove the dipstick from the transmission
and wipe it with a clean cloth.
4. Insert the dipstick all the way back into the
transmission securely , as shown in the
image.
5. Remove the dipstick and check the fluid
level.
u It should be between the upper and
lower marks in the HOT range.
6. If the level is below the lower mark, add
fluid into the dipstick hole to bring it to the
level between the upper and lower marks,
and have your vehicle checked by a dealer
immediately.
■Automatic Transmission Fluid
Specified fluid: Honda ATF DW-1 (automatic transmission fluid)
1Automatic Transmission Fluid
NOTICE
Do not mix Honda ATF DW-1 with other
transmission fluids.
Using a transmission flui d other than Honda ATF
DW-1 may adversely af fect the operation and
durability of your vehicl e’s transmission, and may
even damage it.
Any damage caused by usi ng a transmission fluid that
is not equivalent to Honda ATF DW-1 is not covered
by Honda’s new vehicle warranty.
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately, as they can
damage components in the engine compartment.
HOT
Range Upper
Mark
Lower
Mark

uuCleaning uInterior Care
544
Maintenance
The front and rear seat floor mats hook over
the floor anchors, which keep mats them from
sliding forward. To remove a mat for cleaning,
turn the anchor knobs to the unlock position.
When reinstalling the mat after cleaning, turn
the knobs to the lock position.
Do not put additional floor mats on top of
the anchored mats.
Vacuum dirt and dust from the leather freq uently. Pay close attention to the pleats
and seams. Clean the leather with a so ft cloth dampened with a 90% water and
10% neutral soap solution. Then buff it with a clean, dry cloth. Remove any dust or
dirt on leather surfaces immediately.
■Floor Mats1 Floor Mats
If you use any floor mats that were not originally
provided with your vehicle, make sure they are
designed for your specific ve hicle, fit correctly, and
are securely anchored by the floor anchors.
Position the rear seat floor mat properly. If they are
not properly positioned, the floor mats can interfere
with the front seat functions.
Lock
Unlock
■Maintaining Genuine Leather*
* Not available on all models

Continued559
uuIf a Tire Goes Flat uChanging a Flat Tire
Handling the Unexpected
1. Wrap a cloth around the tip of a small flat-
tip screwdriver. Put it into the cap as shown
in the image, and remove the cap.
2. Remove the center cap and place the tire on
the pickup bed.
3. Place the spacer cone onto the wheel hub,
then secure the flat tire to the pickup bed
with the wing bolt as shown.
4. Securely store the jack on the tire tray using
the strap.
5. Release the tire tray and slide it back in
place.
6. Tighten the tire tray holding bolts securely.
7. Store the center cap and the tool box in the
trunk.
u Make sure it does not get scratched or
damaged.
If you remove the tire from the pickup bed,
reinstall the cap to its original location.
■Securing the Flat Tire on the Pickup Bed1 Securing the Flat Tire on the Pickup Bed
3WARNING
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.
Cap
Wing BoltSpacer Cone

uuIf a Tire Goes Flat uChanging a Flat Tire
560
Handling the Unexpected
As a temporary mounting location, you ma y secure the compact spare tire on the
pickup bed, if needed. 1.Wrap a cloth around the tip of a small flat-
tip screwdriver. Put it into the cap as shown
in the image, and remove the cap.
2. Remove the compact spare tire from the
tire tray.
2 Getting Ready to Replace the Flat Tire
P. 554
3. Place the compact spare tire on the pickup
bed as shown.
4. Place the spacer cone on the wheel hub and
the spacer washer within the spacer cone.
Then secure the compact spare tire to the
pickup bed with the wing bolt as shown.
5. Store or secure the tool box.
If you remove the comp act spare tire from the
pickup bed, reinstall th e cap to its original
location.
■Securing a Compact Spare Tire on the Pickup Bed1 Securing a Compact Spare Tire on the Pickup Bed
The spacer washer is stored in the tool box.
Cap
Spacer Cone
Wing BoltSpacer Washer

565Continued
Handling the Unexpected
Jump Starting
Turn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Pull up on the engine cover, remove it from
the pins.
u Start on the passenger side and lift the
outermost edge of the cover.
u Move towards the driver side while
applying uniform upward pressure.
2. Connect the first jumper cable to your
vehicle’s battery + terminal.
3. Connect the other end of the first jumper
cable to the booster battery + terminal.
u Use a 12-volt booster battery only.
u When using an automotive battery
charger to boost your 12-volt battery,
select a lower charging voltage than 15
volts. Check the ch arger manual for the
proper setting.
4. Connect the second ju mper cable to the
booster battery - terminal.
■Jump Starting Procedure1Jump Starting
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
Battery performance degrades in cold conditions and
may prevent the engi ne from starting.
3WARNING
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.
Pins
Engine Cover
Booster Battery