1997 CHEVROLET TAHOE sensor

Downloaded from www.Manualslib.com manuals search engine 0
0 Your vehicle is equipped with a crash sensing and
diagnostic module, which records information about
the air bag system. The module records information
about the readiness
of the system, when the sensors
are activated and driver’s safety belt usage at
deployment.
Let only qualified technicians work on your air
bag system. Improper service can mean that your
air bag system won’t work properly. See your dealer
for service.
Servicing Your Air Bag-Equipped Vehicle
Air bags affect how your vehicle should be serviced.
There
are parts of the air bag system in several places
around your vehicle. You don’t want the system to
inflate while someone is working on your vehicle. Your
GM dealer and the service manual have information
about servicing your vehicle and the air bag system. To
purchase a service manual, see “Service and Owner
Publications’’ in the Index.
NOTICE:
If you damage the covering for the driver’s or the
right front passenger’s
air bag, the bag may not
work properly. You may have to replace the air
bag module in the steering wheel or both the air
bag module and the instrument panel for the
passenger’s air bag.
Do not open or break the air
bag coverings.
I
For up to 10 minutes after the ignition key is
turned
off and the battery is disconnected, an air
bag can still inflate during improper service. You
can be injured if you are close to an air bag when
it inflates. Avoid wires wrapped with yellow tape
or yellow connectors. They are probably part of
the air bag system. Be sure to follow proper
service procedures, and make sure the person
performing work for you is qualified to
do so.
The air bag system does not need regular maintenance.
1-36

Downloaded from www.Manualslib.com manuals search engine Adding Equipment to Your Air
Bag-Equipped Vehicle
e.’ If I add a push bumper or a bicycle rack to the
front of my vehicle, will it keep the air bags
from working properly?
A: As long as the push bumper or bicycle rack is
attached to your vehicle so that the vehicle’s basic
structure isn’t changed, it’s not likely to keep the
air bags from working properly in a crash.
e.’ Is there anything I might add to the front of the
vehicle that could keep the air bags from
working properly?
A: Yes. If you add things that change your vehicle’s
frame, bumper system, front end sheet metal or
height, they may keep the
air bag system from
working properly. Also, the
air bag system may not
work properly
if you relocate any of the air bag
sensors.
If you have any questions about this, you
should contact Customer Assistance before you
modify your vehicle. (The phone numbers
and
addresses for Customer Assistance are in Step Two of
the Customer Satisfaction Procedure in this manual.
See “Customer Satisfaction Procedure”
in the Index.)
What if I add a snow plow? Will it keep the air
bags from working properly?
A: We’ve designed our air bag systems to work
properly under a wide range of conditions,
including snow plowing with vehicles equipped
with the optional Snow Plow Prep Package
(RPO
VYU). But don’t change or defeat the snow
plow’s “tripping mechanism.” If
you do, it can
damage your snow plow and your vehicle, and it
may cause an air bag inflation.
1-37

Downloaded from www.Manualslib.com manuals search engine Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows
AIR BAG. The system checks the
air bag’s electrical system for malfunctions. The light
tells you if there is an electrical problem. The system
check includes the air bag sensors, the air bag module,
the wiring and the diagnostic module. For more
information on the air bag system, see “Air Bag” in
the Index.
AIR
BAG
This light will come on
when
you start your engine,
and it will flash for a few
seconds. Then the light
should go out. This means
the system is ready. If
the air bag readiness light stays on after you start the
engine or comes on when you are driving, your air bag
system may not work properly. Have your vehicle
serviced right away.
The air bag readiness light should flash for a few
seconds when you turn the ignition key to
RUN. If the
light doesn’t come on then, have it fixed
so it will be
ready to warn you
if there is a problem.
Charging System Warning Light
The charging system
warning light should come
on briefly when you turn on
the ignition, before starting
the engine, as a check to
show you it is working.
2-65

Downloaded from www.Manualslib.com manuals search engine Name
ECM-B
RR DEFOG
IGN-E
Circuits Protected
Fuel Pump, PCMNCM
Rear Window Defogger
Auxiliary Fan Relay Coil,
A/C Compressor Relay,
Hot Fuel Module
Name
FUEL SOL
GLOW PLUG
HORN
AUX FAN
ECM-
1
AIC ENG-
1
LIGHTING
BATT
IGN-A IGN-B
ABS
BLOWER
STOP/HAZ
Circuits Protected
Fuel Solenoid (Diesel Engine)
Glow plugs (Diesel Engine)
Horn, Underhood Lamps
Auxiliary Fan
Injectors, PCMNCM
Air Conditioning
Ignition Switch, EGR, Canister
Purge, EVRV Idle Coast Solenoid,
Heated
02, Fuel Heater
(Diesel Engine), Water Sensor
(Diesel Engine)
Headlamp and Panel Dimmer
Switch, Fog and Courtesy Fuses
Battery, Fuse Block Busbar
Ignition Switch
Ignition Switch Anti-Lock Brake Module
Hi Blower and Rear
Blower Relays
Stoplamps
6-66