2004 Acura RL check engine

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) This manual describes the procedures involved in the
replacement of damaged body parts. This manual covers maintenance and recommended
procedures f or repair to engine and chassis components.
It is written f or the Journeyman mechanic, but is simple
enough f or most mechanically-inclined owners to under-
stand.
This manual complements the Service Manual by
providing in-depth troubleshooting inf ormation f or each
electrical circuit in your car.
Authorized Manuals
Service Manual:
Electrical T roubleshooting Manual:
Body Repair Manual:
356
NOTE: Dealers and Companies please provide dealer or company name,
and also the name of the person to whose attention the shipment should
be sent. For purchases outside U.S.A. please write to the address shown
below for a quotation.
P.O. BOX 07280·DETROIT, MICHIGAN 48207·1-800-782-4356
Customer Name Attention
Apartment Number
State & Zip Code
City
Daytime Telephone Number
Check or money order enclosed payable to Helm Inc U.S. funds only.
Do not send cash
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Check here if your billing address is different
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Account Number Expiration: Mo. Yr.
CUSTOMER SIGNATURE DATE
Street Address No P.O. Box Number
()
These Publications cannot be returned for credit without receiving advance authorization within 14
days of delivery. On returns, a restocking fee may be applied against the original order.

CONT INUED
BatteryCharging System ...........................
Indicator .58, 322
............................
Jump Starting .316
..............................
Maintenance .272
............................
Specif ications .339
..............................
Bef ore Driving .203
....................................
Belts,Seat .8,44
...........................
Beverage Holder .110
...................................
Body Repair .306
Brakes ...........
Anti-lock System (ABS) . 224
.............
Break-in, New Linings . 204
....................
Bulb Replacement .292
...........................................
Fluid .266
.......................................
Parking .107
.................
System Indicator . 58,325
........................
Wear Indicators .223
.............................
Braking System .223
.................
Break-in, New Vehicle . 204
..
Brightness Control, Instruments . 71
........................
Brights, Headlights .68
...
Accessories and Modif ications . 210
................................
Accessories .210
.
Additional Safety Precautions . 211
............................
Modif ications .211
ACCESSORY (Ignition Key .......................................
Position) .82
.............
Accessory Power Socket . 113
....................
Additives, Engine Oil . 254
.........................
Airbag (SRS) .9, 47, 49
.....................
Air Cleaner Element .267
..............
Air Conditioning System . 120
..............................
Maintenance .277
.................................
Usage .122, 127
.......................
Air Outlets (Vents) .120
.......................
Air Pressure, Tires .279
...........................
Alarm, Anti-theft .181
.......................
Alcohol in Gasoline .343
.......
Aluminum Wheels, Cleaning . 301
......................................
Antif reeze .256
Anti-lock Brakes (ABS) ...............................
Indicator .60, 225
...................................
Operation .224
..............
Anti-thef t, Audio System . 180Anti-thef t Steering Column
..............................................
Lock .82
..........................
Anti-thef t System .181
..........................
Appearance Care .299
.........................................
Ashtrays .115
...............
Audio Controls, Remote . 178
........................
Audio System .134, 151
Automatic Climate Control ........................................
System .120
.........................
Automatic Lighting .69
...
Automatic Seat Belt Tensioners . 45
.............
Automatic Speed Control . 182
..............
Automatic Transmission . 218
..........................
Capacity, Fluid .338
...............
Checking Fluid Level . 264
.......................................
Shif ting .218
.
Shif t Lever Position Indicator . 218
................
Shif t Lever Positions . 218
....................
Shif t Lock Release . 221
Index
A B
I

Î
Bulb Replacement..........................
Back-up Lights .292
..............................
Brake Lights .292
............................
Ceiling Lights .295
........................
Courtesy Lights .295
.................................
Fog Lights .289
........
Front Side Marker Lights . 291
.................................
Headlights .288
.........
High-mount Brake Light . 293
.................
License Plate Lights . 294
............................
Specif ications .339
...............................
Trunk Light .296
....................
Turn Signal Lights . 291
..............................
Bulbs, Halogen .288
................................
Cancel Button .184
............................
Capacities Chart .338
.............
Carbon Monoxide Hazard . 53
............................
Carrying, Cargo .212
Cassette Player ............................................
Care .163
...........................
Operation .139, 159
..............
CAUTION, Explanation of . ii
..........................
CD Changer .143, 164 ................................
Ceiling Lights .116
........................
Certif ication Label .336
............................................
Chains .285
Changing Oil ........................................
How to .253
......................................
When to .244
....................
Changing a Flat Tire .309
............
Changing Engine Coolant . 258
...
Charging System Indicator . 58,322
............
Checklist, Bef ore Driving . 216
.....................................
Child Saf ety .20
.......................................
Child Seats .24
..........
Tether Anchorage Points . 39
.............................
Using LATCH .40
..................
Childproof Door Locks . 87
..........................
Cigarette Lighter .114
...................................
Cleaner, Air .267
Cleaning ....................
Aluminum Wheels .301
...................................
Carpeting .302
......................................
Exterior .300
.........................................
Fabric .303
.................................
Floor Mats .302
.......................................
Interior .302
.......................................
Leather .303
...................................
Seat Belts .303 ...........................................
Vinyl .303
....................................
Windows .304
................................
Wood Trim .304
...............
Climate Control System . 120
.................
Clock, Setting the . 108,158
.....................
Code, Audio System .180
........................
CO in the Exhaust .345
........................................
Coin Box .111
............
Cold Weather, Starting in . 217
..............................
Compact Spare .308
.................
Console Compartment . 111
...............
Consumer Inf ormation . 352
.............
Controls, Instruments and . 55
Coolant ........................................
Adding .256
....................................
Checking .208
.........................
Proper Solution .256
...................................
Replacing .258
...................
Temperature Gauge . 65
....................
Corrosion Protection .305
............................
Courtesy Lights .117
Crankcase Emissions Control ........................................
System .345
............
Cruise Control Operation . 182
..........
Customer Relations Of f ice . 352
Index
C
II

CONT INUED
................
DANGER, Explanation of . ii
...................................
Dashboard .2, 56
................
Daytime Running Lights . 70
............
Def ects, Reporting Saf ety . 354
................
Def ogger, Rear Window . 76
......
Def rosting the Windows . 126,131
..............................
Dif f erential Oil .265
....................................
Dimensions .338
...............
Dimming the Headlights . 68
Dipstick ..........
Automatic Transmission . 264
..................................
Engine Oil .207
..........................
Directional Signals .71
........
Disc Brake Wear Indicators . 223
.....................
Disposal of Used Oil .255
Doors ..............
Locking and Unlocking . 83
....................
Lockout Prevention . 84
..............................
Monitor Light .61
......................
Power Door Locks .83
..........
DOT Tire Quality Grading . 340
.....................................
Drive Belts .278
...........
Driver and Passenger Safety . 5...........................................
Driving .215
....................................
Economy .209
.........................
In Bad Weather .230
................
In Foreign Countries . 344
Driving Position Memory ..........................................
System .98
..................
Dust and Pollen Filter . 278
..............................
Economy, Fuel .209
............
Emergencies on the Road . 307
.............
Battery, Jump Starting . 316
...........
Brake System Indicator . 325
................
Changing a Flat Tire . 309
.....
Charging System Indicator . 322
..................
Checking the Fuses . 328
.....
Low Oil Pressure Indicator . 321
...
Malf unction Indicator Lamp . 323
...
Manually Closing Moonroof . 326
..................
Overheated Engine . 319
.........................
Emergency Brake .107
......................
Emergency Flashers .75
......................
Emergency Towing .332
............
Emergency Trunk Opener . 89
.......................
Emissions Controls .345 .............
Emissions Testing, State . 348
Engine ............................................
Belts .278
....
Coolant Temperature Gauge . 65
Malf unction Indicator ................................
Lamp .59, 323
........
Oil Pressure Indicator . 58,321
..............
Oil, What Kind to Use . 251
...............................
Overheating .319
............................
Specif ications .339
............................
Speed Limiter .220
.......................................
Starting .217
...................
Engine Speed Limiter . 220
......................
Ethanol in Gasoline .343
.
Evaporative Emissions Controls . 345
...............................
Exhaust Fumes .53
Exhaust Gas Recirculation ........................................
System .346
Expectant Mothers, Use of Seat ........................................
Belts by .18
..................
Exterior, Cleaning the . 300
Index
D
E
III

.............
Halogen Headlight Bulbs . 288
..............
Hazard Warning Flashers . 75
Headlights ........................................
Aiming .288
....................
Automatic Lighting .69
............
Daytime Running Lights . 70
..................
High Beam Indicator . 62
....................
Lights On Indicator .59
.........................
Reminder Chime .68
........
Replacing Halogen Bulbs . 288
...................................
Turning on .68
..............................
Head Restraints .94
.............
High Altitude, Starting at . 217
.................
High-Low Beam Switch . 68
..............
High-mount Brake Light . 293
............................
Fabric, Cleaning .303
..........................
Fan, Interior .124, 129
Features, Comfort and ..............................
Convenience .119
....................
Filling the Fuel Tank . 205
Filters ................................
Air Cleaner .267
.........................
Dust and Pollen .278
...............................................
Oil .255
.............
Flashers, Hazard Warning . 75
...................
Flat Tire, Changing a . 309
.....................................
Floor Mats .302
Fluids ..........
Automatic Transmission . 264
..........................................
Brake .266
................................
Differential .265
..........................
Power Steering .266
..................
Windshield Washer . 263
FM Stereo Radio ...........................
Reception .135, 152
........................................
Fog Lights .72
.....
Foreign Countries, Driving in . 344
..........................
Four-way Flashers .75
..............................
Front Airbags .9 ,47 .................................................
Fuel .204
......................
Fill Door and Cap .205
...........................................
Gauge .65
................
Octane Requirement . 204
...............................
Oxygenated .343
........................
Reserve Indicator .62
........................
Tank, Filling the .205
..............
Fuel Mileage, Improving . 209
.....................
Fuses, Checking the .328
................
Gas Mileage Improving . 209
..........................................
Gasohol .343
.........................................
Gasoline .204
...............
Fuel Reserve Indicator . 62
...........................................
Gauge .65
................
Octane Requirement . 204
........................
Tank, Filling the .205
................
Gas Station Procedures . 205
.............................................
Gauges .63
...
Engine Coolant Temperature . 65
...............................................
Fuel .65
...............................
Speedometer .63
.................................
Tachometer .63 GAWR (Gross Axle Weight
.......................................
Rating) .233
............
Gearshif t Lever Positions . 218
..............................
Glass Cleaning .304
........................................
Glove Box .90
GVWR (Gross Vehicle Weight .......................................
Rating) .233
Index
G H
F
IV

...................
Neutral Gear Position . 219
..................
New Vehicle Break-in . 204
...................
NOTICE, Explanation of . i
...............
Numbers, Identif ication . 336 ..............................
Paint Touch-up .301
..............
Panel Brightness Control . 71
........................
Park Gear Position .219
...........................................
Parking .222
...............................
Parking Brake .107
Parking Brake and Brake .................
System Indicator . 58,325
.................................
Parking Lights .68
..
Parking Over Things that Burn . 347
.............................
PGM-FI System .346
..................
Polishing and Waxing . 301
............
Pre-Drive Saf ety Checklist . 11
.........
Pregnancy, Using Seat Belts . 18
............................
Protecting Adults .12
...
Additional Safety Precautions . 19
.....
Advice f or Pregnant Women . 18
........................
Protecting Children .20
.......................
Protecting Inf ants .28
.......
Protecting Larger Children . 35
.........
Protecting Small Children . 32
Using Child Seats with .....................................
Tethers .39
.............................
Using LATCH .40
..................................
Maintenance .239
...
Owner Maintenance Checks . 249
.................................
Record .246-248
......................
Required Indicator .66
..........................................
Saf ety .240
.............................
Schedule .244-245
.
Malf unction Indicator Lamp . 59,323
.............
Memory, Driving Position . 98
...............................
Meters, Gauges .63
...................
Methanol in Gasoline . 343
..........................
Mirrors, Adjusting .96
.......................................
Moonroof .105
......................
Closing Manually .326
...................................
Operation .105 ...
Octane Requirement, Gasoline . 204
.........................................
Odometer .64
...............................
Odometer, Trip .64
Oil ........................
Change, How to .253
......................
Change, When to .244
......................
Checking Engine .207
..............
Pressure Indicator . 58,321
Selecting Proper Viscosity ......................................
Chart .252
...........
ON (Ignition Key Position) . 82
Onboard Ref ueling Vapor ....................................
Recovery .345
............................................
OnStar .192
.........................
Opening the Trunk .88
..
Operation in Foreign Countries . 344
..............................
Outside Mirrors .96
....
Outside Temperature Indicator . 65
....................
Overheating, Engine .319
.......
Owner Maintenance Checks . 249
.........................
Oxygenated Fuels .343
Index
N OP
M
VI