ignition CHEVROLET CORVETTE 2003 5.G Repair Manual

How to Reset the Change Oil
Soon Message
The GM Oil Life System calculates when to change
your engine oil and ®lter based on vehicle use. Anytime
your oil is changed, reset the system so it can
calculate when the next oil change is required. If a
situation occurs where you change your oil prior to a
CHANGE OIL SOON message being turned on,
reset the system.
To reset the CHANGE OIL SOON message after an oil
change, do the following:
1. Turn the ignition to ON, with the engine off.
2. Press the TRIP button so the OIL LIFE percentage
is displayed.
3. Press RESET and hold for two seconds. OIL LIFE
REMAIN 100% will appear.
What to Do with Used Oil
Used engine oil contains certain elements that may be
unhealthy for your skin and could even cause cancer.
Don't let used oil stay on your skin for very long. Clean
your skin and nails with soap and water, or a good
hand cleaner. Wash or properly dispose of clothing or
rags containing used engine oil. See the manufacturer's
warnings about the use and disposal of oil products.
Used oil can be a threat to the environment. If you
change your own oil, be sure to drain all the oil from the
®lter before disposal. Never dispose of oil by putting it
in the trash, pouring it on the ground, into sewers, or into
streams or bodies of water. Instead, recycle it by
taking it to a place that collects used oil. If you have a
problem properly disposing of your used oil, ask
your dealer, a service station or a local recycling center
for help.
5-17

Jump Starting
If your battery has run down, you may want to use
another vehicle and some jumper cables to start your
vehicle. Be sure to follow the steps below to do it safely.
{CAUTION:
Batteries can hurt you. They can be dangerous
because:
·They contain acid that can burn you.
·They contain gas that can explode or
ignite.
·They contain enough electricity to
burn you.
If you don't follow these steps exactly, some
or all of these things can hurt you.
Notice:Ignoring these steps could result in costly
damage to your vehicle that wouldn't be covered
by your warranty. Trying to start your vehicle
by pushing or pulling it won't work, and it could
damage your vehicle.
1. Check the other vehicle. It must have a 12-volt
battery with a negative ground system.
Notice:If the other system isn't a 12-volt system
with a negative ground, both vehicles can be
damaged.
2. Get the vehicles close enough so the jumper cables
can reach, but be sure the vehicles aren't touching
each other. If they are, it could cause a ground
connection you don't want. You wouldn't be able to
start your vehicle, and the bad grounding could
damage the electrical systems.
To avoid the possibility of the vehicles rolling, set
the parking brake ®rmly on both vehicles involved in
the jump start procedure. Put an automatic
transmission in PARK (P) or a manual transmission
in NEUTRAL before setting the parking brakes.
Notice:If you leave your radio on, it could be badly
damaged. The repairs wouldn't be covered by
your warranty.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or in the accessory power outlet. Turn off
the radio and all lamps that aren't needed. This will
avoid sparks and help save both batteries. And it
could save your radio!
5-41

Electrical System
Add-On Electrical Equipment
Notice:Don't add anything electrical to your
vehicle unless you check with your dealer ®rst.
Some electrical equipment can damage your vehicle
and the damage wouldn't be covered by your
warranty. Some add-on electrical equipment can
keep other components from working as they
should.
Your vehicle has an air bag system. Before attempting
to add anything electrical to your vehicle, see
Servicing Your Air Bag-Equipped Vehicle on page 1-47.
Accessory Power Plug
The accessory power plug can be used to connect
electrical equipment such as a cellular phone or
CB radio. It is located behind the carpeting, on the
passenger's side toe-board, at the top left corner near
the body control module. Be sure to follow the
installation instructions included with the equipment.To use the accessory power plug, do the following:
1. Remove the toe-board panel by pulling at the top of
each corner of the panel.
2. Locate the black connector at the top left corner of
the compartment near the body control module
above the two white diagnostic connectors.
3. Disconnect the connector pigtail by pulling forward
on the plastic locking tab and pull the connection
apart from the wire harness.
The plug has the following three separate wires:
·The orange wire connects to battery power.
·The yellow wire connects to ignition power. (Power
is only available when the ignition is in ON.)
·The black wire connects to ground.
5-84

Fuse Usage
1 Console Cigarette Lighter
2Monitored (Inadvertent) Load
Control
3 Lumbar Seat
4 Driver Seat Control Module
5 Radio, Compact Disc Player
6 Parking Lamps, Taillamps
Fuse Usage
7 Cigarette Lighter
8 Stoplamp, Hazard Flashers
9 Body Control Module
10 Windshield Wiper/Washer
11 Accessory Power
12 Blank
13 Body Control Module ± Ignition 1
14 Crank
15 Hazard/Turn Signal
16 Air Bag
17 Tonneau Release
18 HVAC Controls
19 Instrument Panel Control
20 Cruise Control
21Automatic Transmission Shift Lock
Control System and Inside Rearview
Mirror
22 Body Control Module ± Ignition 3
23 Body Control Module ± Ignition 2
24 Radio Antenna
25Body Control Module ± Ignition 1
Instrument Panel Control
5-87

Fuse Usage
26 Hatch/Trunk Release
27 HVAC Controls
28 Bose Speakers
29 Diagnostic
30 Right Door Control Module
31 Power Feed Door Right
32 Fuel Tank Door
33 Door Control Module Left
34 Power Feed Door Left
47 Ignition 1
48 Rear Defogger
49 Blank
50 Ignition 2
51 Blower Motor
52 Starter
53 BlankRelay Usage
37Monitored (Inadvertent) Load
Control
38 Right Daytime Running Lamp
39 Hatch/Trunk Release
40 Left Daytime Running Lamp
41 Tonneau Release
42 Courtesy Lamps
43Automatic Lamp Control Parking
Lamps
44 Automatic Lamp Control Headlamps
45 Bose Speakers
46 Rear Defogger
Circuit Breaker Usage
35 Driver Power Seat
36 Passenger Power Seat
54 Headlamps
5-88

Fuse Usage
5Anti-Lock Brakes, Selective Ride
Control
6 Fog Lamp
7 Blank
8 Headlamp Low-Beam Right
9 Headlamp High-Beam Right
10 Headlamp Low-Beam Left
11 Horn
12 Headlamp High-Beam Left
13 Fuel Pump
14 Cooling Fan ± Ignition 3
15 Oxygen Sensor
16 Powertrain Control Module
17 Throttle Control
18 Injector 2
19 Engine IgnitionFuse Usage
20 Blank
21 Blank
22 Injector 1
23 Powertrain Control Module
24 Air Conditioning
25 Blank
26 Blank
27 Spare
28 Spare
29 Spare
30 Spare
31 Spare
32 Spare
46 Cooling Fan 2
47 Blank
5-90

Fuse Usage
48 Blank
49 Cooling Fan 1
50 Air Pump
51 Selective Ride Control
52 Anti-Lock Brakes
53 Anti-Lock Brakes Electronics
54 Fuse Puller
Relay Usage
33 Air Pump
34 Air Conditioner and Clutch
35 Fuel Pump
36 Horn
Relay Usage
37 Rear Fog Lamp
38 Back-Up Lamps
39 Fog Lamp
40 Blank
41 Blank
42 Ignition 1
43 Cooling Fan 2
44 Cooling Fan 3
45 Cooling Fan 1
5-91

Ignition Automatic Transmission
Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to OFF in each shift lever position.
The key should turn to OFF only when the shift lever is
in PARK (P).
On all vehicles, the key should come out only in OFF.
Parking Brake and Automatic
Transmission Park (P)
Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
·To check the parking brake's holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
·To check the PARK (P) mechanism's holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Underbody Flushing Service
At least every spring, use plain water to ¯ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

How to Wear Safety Belts Properly...................1-12
Hydraulic Clutch.............................................5-22
Hydroplaning..................................................4-21
I
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-39
If the Light Is On Steady.................................3-39
If You Are Stuck in Sand, Mud, Ice or Snow.......4-32
If You're Caught in a Blizzard...........................4-30
Ignition Automatic Transmission
Lock Check................................................6-11
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-23
In¯ation -- Tire Pressure..................................5-56
In¯ator Kit, Tire...............................................5-70
Inspection......................................................6-13
Brake System.............................................6-13
Engine Cooling System................................6-13
Exhaust System..........................................6-12
Fuel System...............................................6-13
Part C - Periodic Maintenance.......................6-12
Steering and Suspension..............................6-12
Tire and Wheel...........................................6-12
Installing the Roof Panel..................................2-47
Instrument Panel Brightness.............................3-15
Instrument Panel Fuse Block............................5-86Instrument Panel.............................................3-30
Cluster.......................................................3-30
Overview..................................................... 3-2
Integrated Windshield and Rear Window
Antennas....................................................3-80
Interior Lamps................................................3-15
J
Jump Starting.................................................5-41
K
Key Lock Cylinders Service................................ 6-9
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps...........................................................3-12
Exterior......................................................3-12
Interior.......................................................3-15
Lap Belt Cinch Feature....................................1-14
Lap-Shoulder Belt...........................................1-13
LATCH System...............................................1-31
Child Restraints...........................................1-31
Securing a Child Restraint Designed for the
LATCH System........................................1-33
7