check engine Oldsmobile Cutlass Supreme 1996 s Service Manual

Starter Switch Check
A CAUTION:
Brake-Transaxle Shift Interlock (BTSI) Check
I-
When you are doing this check, the vehicle could When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
. move suddenly. If it does, you or others could be
injured. Follow the steps below. injured. Follow the steps belo\
w.
-- t-
1.
2.
3.
Before you start, be sure you have enough room
around the vehicle.
Firmly apply both the parking brake (see “Parking
Brake” in the Index if necessary) and the
regular brake.
NOTE:
Do not use the accelerator pedal, and be
ready to turn
off the engine immediately if it starts.
Try to start the engine in each gear. The starter
should work only in
PARK (P) or NEUTRAL (N). If
the starter works in any other position, your vehicle
needs service.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a
level surface.
2. Firmly apply the parking brake (see “Parking Brake”
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but don’t start the,engine. Without applying
the regular brake,
try to move the shift lever out of
PARK
(P) with normal effort. If the shift lever
moves out of PARK
(P), your vehicle’s BTSI
needs service.
7-38

Steering Column Lock Check
While parked, and with the parking brake set, try to turn
the key to
LOCK in each shift lever position.
0 The key should turn to LOCK only when the shift
.
lever is in PARK (P).
0 The key should come out only in LOCK.
Parking Brake and Automatic Transaxle PARK (P)
Mechanism Check
I A 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: With the engine running
and transaxle 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 all brakes.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.

Part ,. C : Periodic, Maintenance
Inspections
Listed below are inspections and services which should
be performed at least twice a year (for instance, each
spring and fall). You should let your GM retailer’s
service department or other qualified service center do
these jobs. Make sure any necessary repairs
are
completed at once.
‘Proper procedures to perform these services may )be
found in a Oldsmobile Service Manual. See “Service
and Owner Publications’’ in the Index.
Steering, Suspension and Front-Wheel-Drive
~ Axle Boot and Seal Inspection
Inspect the front and rear suspension and steering
system for damaged, loose or missing parts, signs of
wear or lack of lubrication. Inspect the power steering
lines and hoses for proper hook-up, binding, leaks,
cracks, chafing, etc. Clean and then inspect the drive
axle boot seals for damage, tears or leakage. Replace
seals if necessary.
Exhaust System Inspection
Inspect the complete exhaust system. Inspect the body
.near the exhaust system. Look for broken, damaged, missing or out-of-position parts
as well as open seams,
holes, loose connections or other conditions which could
cause a heat build-up in the floor pan or could let
exhaust fumes into the vehicle.
See “Engine Exhaust” in
the Index.
Radiator and Heater Hose Inspection
Inspect the hoses and have hem replaced if they are
cracked, swollen or deteriorated. Inspect
all pipes,
fittings and clamps; replace as needed.
Throttle Linkage Inspection
Inspect the throttle linkage for interference or binding,
and for damage or missing parts. Replace parts as
needed. Replace any cables that have high effort or
excessive wear.
Do not lubricate accelerator and cruise
control cables.
Brake System Inspection
Inspect the corfiplete system. Inspect brake lines and
hoses for’ proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors
for surface condition. Inspect other brake parts,
including calipers, parking brake, etc. Check parking
brake adjustment. You may need to have your brakes
inspected more often if your driving habits or conditions
result .in frequent braking.

Hill and Mountain Roads ......................... 4-21
Hitches. Trailer
................................. 4-32
Hood Checking Things Under
......................... 6-7
Release
...................................... 6-7
Ho~
......................................... 2-25
Hydroplaning
.................................. 4- 17
Ignition Positions
.............................. 2. 10
Illuminated Entry
............................... 2-34
Inflation. Tire
.................................. 6-42
Inside Daymight Rearview Mirror
.................. 2-36
Inspections
Brakesystem
................................. 7-40
Exhaust Systems
............................. 7-40
Front-Wheel-Drive Axle Boot
.................. 7-40
Front-Wheel-Drive Axle Seal
................... 7-40
Radiator and Heater Hose
...................... 7-40
Steering
.................................... 7-40
Suspension
.................................. 7-40
Throttle Linkage
.............................. 7-40
Instrumentpanel
............................... 2-42
Brightness Control
............................ 2-33
Cluster
..................................... 2-43
FuseBlock
.................................. 6-61
Interior Lamps
................................. 2-33
Jack, Tire
.................................... 5-23
Jump Starting
.................................... 5-2
Cleaning
.................................... 6-53 Key
Lock Cylinders Service
..................... 7-37
Key Reminder Warning
.......................... 2-11
Keys
.......................................... 2-1
Labels
....................................... 4-27
Certification
................................. 4-27
Service Parts Identification
..................... 6-59
Tire-Loading Information
...................... 4-27
Vehicle Identification Number
................... 6-59
Courtesy
..................................... 2-33
Dome
.I .................................... 2-35
Interior
..................................... 2-33
OnReminder
................................ 2-32
Latches, Seatback
................................ 1-5
Leaving Your Vehicle
............................. 2-4
Leaving Your Vehicle with the Engine Running
....... 2-21
Lighter
....................................... 2-39
Lights Air Bag Readiness
....................... 1-20.2-46
Anti-Lock Brake System Active
............. 2-49, 4-8
Anti-Lock Brake System Warning
............ 2-48, 4-6
Brake System Warning
......................... 2-47
Charging System
............................. 2-46
Engine Coolant Temperature
.................... 2-49
Interior
..................................... 2-33
Low Coolant Warning
......................... 2-50
LowFuel
................................... 2-56
LowOilLevel
............................... 2-55
Oilwarning
................................. 2-53
Safety Belt Reminder
...................... 1-7, 2-45
Security
.................................... 2-55
Service Engine
Soon .......................... 2-51
Lamps
........................................ 2-32
9-5

I Loading Your Vehicle- ........................... 4-27
Locks .......................................... 2-3
Automatic Door ................................ 2-4
Cylihders ................................... 7-37
DCJDT ......................................... 2-3
Key Lock Cylinder Service ...................... 7-37
POWU Door .................................. 2-3
Steering
. Column Lock Check ................... 7-39
Trunk ....................................... 2-7
Window .................................... 2-25
Low Coolant Warning Light
...................... 2-50
Low Fuel Light .................................. 2-56
LOW Oil Level Light .............................. 2-55
Lubricants and HrJids ............................ 7-41
Lubrication Service,
Body ........................ 7-37
M~EO~S ......................................... 2-36
Convex Outside .............................. 2-37
Inside Day/Night Rearview ...................... 2-36
Power Outside ................................. .. 2-37,
Visor Vanity
................................. 2-40
"I' ......................................... 6-4
Mode Buttons. Automatic and Awriliary Temp Control . . 3-5
Mode
Knob, Climate Control System ................ 3-1
MountainRoads ................................. 4-21
Multifunction Lever
............................. 2-26
Net. Convenience .............................. 2-38
Neutral. Automatic Transaxle
..................... 2-15
New Vehicle "Break-In" .......................... 2-10
Nightvision ................................... 4-14
Maintenance. Normal Replacement parts
....... .' ... 6-70
Maintenance Record
............................ 7-43
Maintenanceschedule
............................ 7-1
Long TripMghway Definition
................... 7-5
Long Tripmighway Intervals
................ 7.5. 7.26
Owner Checks and Services
..................... 7-36
Periodic Maintenance Inspections
................ 7-40
Recommended Fluids and Lubricants
............. 7-41
Scheduled Maintenance Services'
.................. 7-3
Short Trip/Citv Definition
....................... 7-4 Odometer
................
Odometer. Trip .............
Off-Road Recovery .........
Oil. Engine ................
Oil
Waffling Light ..........
Overdrive. Automatic Transaxle
Overheating Engine .........
Owner Checks and SerVices ...
Owner Publications. Ordering .
.................... 2.44,
.................... 2-44
.................... 4-1Q
.................... 6-10
.................... 2-53
...................... 2-16
.................... 5-13
.................... 7-36
.................... 8-10
Short Tr$CiG Intervals
.................... 7.4. 7.6
Maintenance. Underbody
.. '. ...................... 6-57 Paint spotting. chemical
Maintenance When Trailer Towing 4-35
Park 6-57
Malfunction Indicator .Lamp
....................... 2-5 1 Automatic Transaxle ........................... 2-14 ManualFrontSeat ............................... 1-1
Methanol
...................................... 6-4 ShifIing-Out of .. ............................ 2-22
........................ .................
Shifting Into ................................. 2.- 13
9-6

Sound Equipment. Adding ........................ 3-26
Spare Tire. Compact
.............................. 5-33
Specifications and Capacities
...................... 6-69
Specifications. Engine
........................... 6-69
Speech Impaired. Customer Assistance
............... 8-3
Speedometer
................................... 2-44
Stains. Cleaning
................................ 6-50
Starter Switch Check
............................ 7-38
Starting Your Engine
............................ 2- 12
Steam
........................................ 5-13
Steering
....................................... 4-8
Column Lock Check
.......................... 7-39
In Emergencies ................................ 4-9
. Power ....................................... 4-8
Tips
......................................... 4-8
Variable Assist
................................ 4-8
Wheel. Tilt
.................................. 2-25
Steering Wheel Touch Control
................. 3-9. 3-25
Storage Compartments
........................... 2-37
Storage. Vehicle
................................ 6-29
Stuck:
In Sand. Mud. Ice or Snow .................. 5-34
Sunvisors
.................................... 2-40
Supplemental Restraint System
.................... 1 - 19
Symbols. Vehicle
................................... v
Tachometer .................................. 2-44
Taillamp Bulb Replacement
.................. 6-38. 6-39
TapePlayerCare
............................... 3-27
Temperature Knob. Automatic and Auxiliary
Temp Control
.............................. 3-4. 3-5
Temperature Knob. Climate Control System
........... 3-1
SRS
......................................... 1-19
Sunroof
....................................... 2-41 Theft
.......................................... 2-8
Theft-Deterrent Feature. CD Player
................ 3-23
Thermostat
.................................... 6-24
Third Gear, Automatic Transaxle
................... 2-16
Tilt Steering Wheel
............................. 2-25
Time, Setting the
................................ 3-9
Tire Chains
.................................... 6-49
TireLoading
................................... 4-27
Tire-Loading Information Label
................... 4-27
Tires
......................................... 6-42
Alignment and Balance
........................ 6-47
BuyingNew
................................. 6-45
Chains
..................................... 6-49
Changing a Flat
............................... 5-23
Cleaning
.................................... 6-56
Compact Spare
............................... 5-33
Inflation
.................................... 6-42
Inflation Check
............................... 7-36
Loading
.................................... 4-27
Pressure
.................................... 6-42
Temperature
................................. 6-47
Traction
.................................... 6-47
Treadwe ar
................................... 6-46
Uniform Quality Grading
....................... 6-46
Wear Indicators
.............................. 6-45
Wheel Replacement
........................... 6-47
When It's Time for New
....................... 6-45
TopStrap
..................................... 1-39
TorqueLock
................................... 2-21
Torque. Wheel
Nut .............................. 5-30
TowingaTrailer
................................ 4-29
Towing Your Vehicle
............................. 5-7
THEPrZOCK"
................................. 3-23
Inspection and Rotation
.................... ... 6-44