2013 TOYOTA MATRIX air conditioning

366 4-3. Do-it-yourself maintenance
■Checking interval
Replace the air conditioning filter according to the maintenance schedule. In
dusty areas or areas with heavy traffic flow, early replacement may be
required. (For scheduled maintenance information, please refer to the
“Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.
■Replacement method
Remove the air conditioning
filter and replace it with a new
one.
The “UP” marks shown on
the filter should be pointing up.

372 4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings
■Engine compartment
FuseAmpereCircuit
1 CDS FAN 30 A Electric cooling fan(s)
2 RDI FAN 40 A Electric cooling fan(s)
3 ABS NO. 3 30 AAnti-lock brake system, vehicle sta-
bility control system
4 ABS NO. 1 50 AAnti-lock brake system, vehicle sta-
bility control system
5 HTR 50 A Air conditioning system
6 ALT 120 ACharging system, RDI FAN, CDS
FAN, ABS NO. 1, ABS NO. 3, PWR
OUTLET/INVERTER, HTR, HTR
SUB NO. 1, HTR SUB NO. 3, ACC,
CIG, ECU-IG NO. 2, HTR-IG,
WIPER, RR WIPER, WASHER,
ECU-IG NO. 1, AM1, 4WD, DOOR,
STOP, FR DOOR, POWER, RR
DOOR, RL DOOR, OBD, ACC-B,
FR FOG, SUNROOF, DEF, MIR
HTR, TAIL, PANEL

376 4-3. Do-it-yourself maintenance
11 IGN 7.5 ASRS airbag system, multiport fuel
injection system/sequential multi-
port fuel injection system, front
passenger occupant classification
system
12 METER 7.5 A Gauge and meters
13 HTR-IG 10 AAir conditioning system, rear win-
dow defogger, PTC heater
14 WIPER 25 A Windshield wipers
15 RR WIPER 15 A Rear window wiper
16 WASHER 15 A Windshield washer
17 ECU-IG NO. 1 10 AMain body ECU, electric power
steering, electric cooling fan(s),
shift lock control system, anti-lock
brake system, multiport fuel injec-
tion system/sequential multiport
fuel injection system, tire pressure
warning system, vehicle stability
control system, all wheel drive sys-
tem
18 ECU-IG NO. 2 10 ABack-up lights, charging system,
rear window defogger, auto anti-
glare inside rear view mirror
19 OBD 7.5 A On-board diagnosis system
20 STOP 10 AStop lights, high mounted stop-
light, anti-lock brake system, vehi-
cle stability control system,
multiport fuel injection system/
sequential multiport fuel injection
system, shift lock control system
21 DOOR 25 A Power door lock system
22 ACC-B 25 A CIG, ACC
23 4WD 7.5 A All wheel drive system
FuseAmpereCircuit

5
When trouble arises
395
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge needle continually points
higher than normal
■Audible symptoms
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the engine
■Operational symptoms
●Engine missing, stumbling or running rough
●Appreciable loss of power
●Vehicle pulls heavily to one side when braking
●Vehicle pulls heavily to one side when driving on a level road
●Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

463 6-1. Specifications
6
Vehicle specifications
Warning: The temperature grades for this tire are established for a
tire that is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either sepa-
rately or in combination, can cause heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which a
tire may be inflated, shown on the sidewall of
the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weightThe combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weightThe weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weightThe sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight

486
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WD 2 Wheel Drive
4WD 4 Wheel Drive
A/C Air Conditioning
ABS Anti-lock Brake System
ACC Accessory
ALR Automatic Locking Retractor
AWD All Wheel Drive
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
EPS Electric Power Steering
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating
GVWR Gross Vehicle Weight Rating
I/M Emission inspection and maintenance
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
M + S Mud and Snow
MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
OBD On Board Diagnostics
SRS Supplemental Restraint System
TIN Tire Identification Number
TPMS Tire Pressure Warning System
TRAC Traction Control
TWR Trailer Weight Rating

488
Alphabetical index
Alphabetical index
A/C ............................................. 186
ABS ........................................... 152
Active Torque Control 4WD
system .................................... 152
Air conditioning filter............... 365
Air conditioning system
Air conditioning filter .............. 365
Air conditioning
system ................................ 186
Airbags
Airbag operating conditions.....76
Airbag precautions for your
child ......................................80
Airbag warning light............... 398
Curtain shield airbag
operating conditions..............76
Curtain shield airbag
precautions ...........................80
Front passenger occupant
classification system .............85
General airbag precautions .....80
Locations of airbags ................73
Modification and disposal of
airbags ..................................84
Proper driving posture .......71, 80
Side airbag operating
conditions..............................76
Side airbag precautions ..........80
SRS airbags ............................73
Antenna..................................... 205
Anti-lock brake system............ 152
Ashtray...................................... 293
Assist grips .............................. 300
Audio input ............................... 246Audio system
Antenna................................. 205
Audio input ............................ 246
AUX port ............................... 246
CD player/changer ................ 207
iPod ....................................... 225
MP3/WMA disc ..................... 215
Optimal use ........................... 242
Portable music player ........... 246
Radio..................................... 203
Steering wheel audio
switch.................................. 248
Type ...................................... 194
USB memory......................... 234
Automatic transmission
Automatic transmission ......... 122
If the shift lever cannot be
shifted from P ..................... 423
S mode.................................. 124
AUX port ................................... 246
Auxiliary boxes ................ 288, 303A