2010 HONDA RIDGELINE catalytic converter

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CONT INUED
........................................
Sun Visor . 140
........................
Sunglasses Holder . 138
Supplemental Restraint System
(SRS) ......................................
Servicing . 32
.........................
SRS Indicator . 30, 64
...................
System Components . 23
..................................
Synthetic Oil . 327
Unexpected, Taking Care..........................................
of the . 359
..
Unif orm Tire Quality Grading . 390
.....................................
Tachometer . 76
Tailgate, Dual-Action
...............................
Indicator . 11, 115
...................................
Operation . 113
......
Taillights, Changing Bulbs in . 340
.
Taking Care of the Unexpected . 359
Technical Descriptions
....
DOT Tire Quality Grading . 390
.....
Emissions Control Systems . 397
Three Way Catalytic
...............................
Converter . 399
.......................
Temperature Gauge . 76
...................
Tensioners, Seat Belts . 21
............................
Thef t Protection . 206
..
Three Way Catalytic Converter . 399 ....................................
Timing Belt . 336
....................................
Tire Chains . 354
.........
Tire, How to Change a Flat . 361
.................................
Tire Labeling . 392
Tire Pressure Monitoring
....................
System (TPMS) . 278
Low Tire Pressure ...........................
Indicator . 72, 278
Required Federal ............................
Explanation . 394
.............
Tire Pressure Monitor . 279
....
TPMS Indicator . 72, 73, 279, 281
...............................................
Tires . 348
..............................
Air Pressure . 350
.........................
Checking Wear . 350
..........................
Compact Spare . 360
....
DOT Tire Quality Grading . 390
......................................
Inf lation . 349
..................................
Inspection . 350
..............................
Maintenance . 351
...................................
Replacing . 352
......................................
Rotating . 351
...........................................
Snow . 353
....................
Specif ications . 353, 389
................................
Tire Chains . 354
...................
Tools, Tire Changing . 361 Towing
.....................................
A Trailer . 296
................
Emergency Wrecker . 383
.................................
Equipment . 301
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Equipment and Accessories . 297
.............................
Weight Limit . 293
.........................
Trailer Loading . 295
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Trailer Towing Tips . 303
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Transf er Assembly Fluid . 333
Transmission
...............
Checking Fluid Level . 331
...........................
Fluid Selection . 332
..............
Identif ication Number . 387
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Shif ting the Automatic . 271
.....................................
Treadwear . 390
.................................
Trip Meter . 79, 84
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Trunk, In-Bed . 116
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Turn Signals . 95
Index
U
T
INDEX
IX

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Ý
This shows the temperature of the
engine’s coolant. During normal
operation, the pointer should rise to
about the middle of the gauge. In
severe driving conditions, the pointer
may rise to the upper zone. If it
reaches the red (hot) mark, pull
safely to the side of the road. For
instructions and precautions on
checking the engine’s cooling
system, see page .
This shows how much f uel you
have. It may show slightly more
or less than the actual amount. 372
Gauges
Temperature Gauge
Fuel Gauge
76
U.S. model is shown.INFORMATION DISPLAY
On models without navigation system
On models with navigation system SPEEDOMETER
TACHOMETER TEMPERATURE GAUGE
SELECT
BUTTON
TRIP/RESET
BUTTON
FUEL GAUGE
SPEEDOMETER
TACHOMETER TEMPERATURE GAUGE
SEL/RESET
BUTTON
FUEL GAUGE
MULTI-INFORMATION DISPLAY INFO ( ) BUTTON
INFO ( ) BUTTON
Avoid driving with an extremely low
f uel level. Running out of f uel could
cause the engine to misf ire, damaging
the catalytic converter.
Table of Contents

Make sure the parking brake is
f ully released bef ore driving away.
Driving with the parking brake
partially set can overheat or
damage the rear brakes.
Make sure the moonroof (if
equipped) and the windows are
closed.
Turn of f the lights.
Place any packages, valuables, etc.
in the cargo area in your vehicle or
the In-Bed Trunk, or take them
with you.
Lock the doors.
Check the indicator on the driver’s
door to verify that the security
system is set.
Never park over dry leaves, tall
grass, or other f lammable
materials. The hot three way
catalytic converter could cause
these materials to catch on fire.If the vehicle is f acing uphill, turn
the f ront wheels away f rom the
curb.
If the vehicle is f acing downhill,
turn the front wheels toward the
curb.
On vehicles with security system
Parking
Parking T ips
Driving
287
Table of Contents

µ
Thediagramsinthissectiongive
you the dimensions and capacities of
your vehicle and the locations of the
identif ication numbers. It also
includes inf ormation you should
know about your vehicle’s tires and
emissions control systems.
................
Identif ication Numbers . 386
................................
Specif ications . 388
DOT Tire Quality Grading
......................
(U.S. Vehicles) . 390
Unif orm Tire Quality ..................................
Grading . 390
.................................
Treadwear . 390
......................................
Traction . 390
.............................
Temperature . 391
.................................
Tire Labeling . 392
Tire Pressure Monitoring System
(TPMS) Required Federal
............................
Explanation . 394
.......................
Emissions Controls . 397
.....................
The Clean Air Act . 397
Crankcase Emissions Control
....................................
System . 397
Evaporative Emissions Control ....................................
System . 397
Onboard Ref ueling Vapor
................................
Recovery . 397
...
Exhaust Emissions Controls . 398
....................
PGM-FI System . 398
Ignition Timing Control
................................
System . 398 Exhaust Gas Recirculation
...................
(EGR) System . 398
Three Way Catalytic ...........................
Converter . 398
....................
Replacement Parts . 398
..
Three Way Catalytic Converter . 399
........................
Emissions Testing . 400
T echnical Inf ormation
T echnical Inf ormation
385

The exhaust emissions controls
include f our systems: PGM-FI,
ignition timing control, exhaust gas
recirculation, and three way catalytic
converter. These f our systems work
together to control the engine’s
combustion and minimize the
amount of HC, CO, and NOx that
come out the tailpipe. The exhaust
emissions control systems are
separate f rom the crankcase and
evaporative emissions control
systems.
The PGM-FI system uses sequential
multiport f uel injection.
It has three subsystems: air intake,
engine control, and f uel control. The
powertrain control module (PCM)
uses various sensors to determine
how much air is going into the
engine. It then controls how much
f uel to inject under all operating
conditions.This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced.
The exhaust gas recirculation (EGR)
system takes some of the exhaust
gas and routes it back into the intake
manif old. Adding exhaust gas to the
air/f uel mixture reduces the amount
of NOx produced when the f uel is
burned.
The three way catalytic converter is
in the exhaust system. Through
chemical reactions, it converts HC,
CO, and NOx in the engine’s exhaust
to carbon dioxide (CO ), nitrogen
(N ), and water vapor.
The emissions control systems are
covered by warranties separate f rom
the rest of your vehicle. Read your
warranty manual f or more inf orma-
tion.
The emissions control systems are
designed and certif ied to work to-
gether in reducing emissions to
levels that comply with the Clean Air
Act. To make sure the emissions
remain low, you should use only new
Honda replacement parts or their
equivalent f or repairs. Using lower
qualitypartsmayincreasethe
emissions f rom your vehicle.
2
2
Exhaust Emissions Controls Replacement Parts
PGM-FI Syst emIgnit ion T iming Cont rol Syst em
Exhaust Gas Recirculat ion (EGR)Syst em
Three Way Catalytic Converter
Emissions Cont rols
398
Table of Contents

The three way catalytic converter
must operate at a high temperature
for the chemical reactions to take
place. It can set on f ire any
combustible materials that come
near it. Park your vehicle away from
high grass, dry leaves, or other
f lammables.A defective three way catalytic
converter contributes to air pollution,
and can impair your engine’s per-
f ormance. Follow these guidelines to
protect your vehicle’s three way
catalytic converter.
Always use unleaded gasoline.
Even a small amount of leaded
gasoline can contaminate the
catalyst metals, making the three
way catalytic converter inef f ective. Keep the engine well maintained.
Have your vehicle diagnosed and
repaired if it is misf iring, back-
f iring, stalling, or otherwise not
running properly.
The three way catalytic converter
contains precious metals that serve
as catalysts, promoting chemical
reactions to convert the exhaust
gasses without af f ecting the metals.
The catalytic converter is ref erred to
as a three-way catalyst, since it acts
on HC, CO, and NOx. A replacement
unit must be an original Honda part
or its equivalent.
Three Way Catalytic Converter
T echnical Inf ormation
399
THREE WAY CATALYTIC CONVERTER
WARM UP THREE WAY CATALYTIC
CONVERTERS
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