ignition CHEVROLET ASTRO 1998 2.G Service Manual

Downloaded from www.Manualslib.com manuals search engine Fuse/Circuit Breaker Usage
UPFIT-BATT Upfitter Battery Power Stud, Trailer
UPFIT-ACCY Upfitter Accessory Relay
Wiring
Harness
Spare
Fuse Puller*
Spare
Spare
ECM-B
HORN
A/C COMP
RR DEFOG
ENG-I
Fuse/Circuit Breaker Usage
IGN-E
ECM-I
Not used
LIGHTING
Not used
Not used Fuel Pump Relay and Motor, VCM,
Oil Pressure Switch/Sender
Horn Relay and Horn
A/C Enable Relay and Compressor
Heater-A/C Control Selector Switch,
Rear Window Defogger
Oxygen Sensors, Camshaft Position
Sensor, Mass Air Flow Sensor,
Evaporative Emission Canister Purge
Solenoid, Linear EGR Valve
Solenoid, VCM EGR HI BATT
IGN A
IGN B
ABS
NC
RR HTRIAC
Spare A/C
Enable Relay Coil
Fuel Injectors
1-6, Crankshaft
Position Sensor, VCM, Coil Driver
Module (EST)
Park Lamps Fuse, DRL Fuse,
Headlamp and Panel Dimmer Switch
SteeringBecurity Fuse, Courtesy
Fuse, ACSY CB, Stop/Hazard Fuse,
Auxiliary Power Fuse, Cigar Lighter
Fuse, Radio Battery Fuse
Starter Relay, Ignition Switch
Ignition Switch
Electronic Brake Control Module Blower Motor Resistor, Blower
Relay
Auxiliary Heater NC Relay
Not used
*A fuse puller is included
in the underhood electrical
center. You will also find spare fuses.
6-65

Downloaded from www.Manualslib.com manuals search engine Ignition Transmission Lock Check While parked, and with the parking brake set, try
to turn
the ignition key to LOCK in each shift lever position.
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 Transmission
PARK (P) Mechanism Check
I A CAUTION: I
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.
0 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 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.
7-44

Downloaded from www.Manualslib.com manuals search engine High-Beam Headlamps .......................... 2-32
Highway Hypnosis
.............................. 4-20
Hill and Mountain Roads
......................... 4-21
Hitches. Trailer
................................. 4-32
Hood Checking Things Under
......................... 6-7
Prop
....................................... 6-10
Release
...................................... 6-8
Horn
......................................... 2-30
Hydroplaning
................................ 4- I6
Ignition Positions .............................. 2- 16
Ignition Transmission Lock Check
................. 7-44
Inflation, Tire
.................................. 6-43
Inside Daymight Rearview Mirror
................. 2-40
Inspections .................................... 7-45
Brakesystem
................................ 7-46
DriveAxle
.................................. 7-46
Exhaust Systems
............................. 7-45
Radiator and Heater Hose
...................... 7-45
Steering
.................................... 7-45
Suspension
.................................. 7-45
Throttle System
.............................. 7-46
Transfer Case (All-Wheel Drive)
................ 7-46
Instrument Panel
............................... 2-54
Brightness Control
............................ 2-37
Cleaning
.................................... 6-53
Cluster
..................................... 2-56
FuseBlock
.................................. 6-61
Interior Lamps
................................. 2-38
Jack, Tire
............... ............... 5-24
Jump Starting
................................... 5-3
Key Lock Cylinders Service ..................... 7-42
Keyless Entry System
............................ 2-7
Keys
.......................................... 2-2
Labels CertificationiTire
............................. 4-26
Service Parts Identification
..................... 6-59
Tire-Loading Information
....................... 4-26
Vehicle Identification Number
................... 6-59
Dome
...................................... 2-39
Exterior
.................................... 2-37
Interior
..................................... 2-38
OnReminder
................................ 2-37
Latches. Seatback
................................ 1-5
Leaving Your Vehicle
............................. 2-7
Leaving Your Vehicle
with the Engine Running ....... 2-25
Lighter
....................................... 2-48
Lights
Air Bag Readiness ....................... 1-27. 2-58
Anti-Lock Brake System Warning
............ 2-61. 4-7
Brake System Warning
......................... 2-60
Charging System
............................. 2-59
CheckGages
................................ 2-66
Daytime Running Lamps Indicator
............... 2-66
Safety Belt Reminder
..................... 1 - 13. 2-58
Security
.................................... 2-65
Service Engine Soon
.......................... 2-62
Loading Your Vehicle
........................... 4-26
Locks Cylinders
................................... 7-42
Door
........................................ 2-6
Ignition Transmission Lock Check
............... 7-44
Lamps
9-5