Pontiac Fiero 1988 Service Manual page 1081

INSTRUMENT PANEL: INDICATORS C L U S T E R
(Continued from previous page)
With Ignition Switch
in RUN,
apply the
Park
Brake
Brake Warning
Indicator
is on See Brake Warning
System, Section
8A-41
With Ignition Switch in RUN, turn the Head or
Park Lights on and adjust the dimmer control
Instrument Cluster Mumination
varies
with dim-
mer control
See
Instrument Panel Dimming, Section
8A-117
Start engine and let
idle
Brake
Warning Indicator lights
while
cranking
Coolant Temperature Gage indicates current
coolant temperature
Oil
Presssure
Gage
indicates current oil pressure
Tachometer indicates the engine rpm
See Symptom Table
See Symptom Table
See Symptom Table
Do Test P
• If all results are normal, the system is OK.
SYSTEM DIAGNOSIS
• Do the tests listed for your symptom in the
Symptom Table below.
• Tests follow the Symptom Table.
SYMPTOM TABLE
SYMPTOM FOR DIAGNOSIS
Fuel Gage indicates
E when there is fuel
in the tank
Do Test D (also see
Test C terminal 7)
Fuel Gage indicates
F or beyond at all
times
Do Test F (also see
Test C terminal 7)
Fuel Gage is
inaccurate
Do Test E (also see
Test C terminal 7)
(Continued in next column)
Continued from previous column)
Coolant
Temperature Gage
indicates hot with
engine cool and
Ignition Switch in
RUN
Do Test G (also see
Test B terminal 11)
Coolant
Temperature Gage
indicates cold at all
times
Do Test H (also see
Test B terminal 11)
Coolant
Temperature Gage
is inaccurate
Do Test I (also see
Test B terminal 11)
Coolant
Temperature
Indicator lights
when engine coolant
is not overheated
Do Test J (also see
TestC terminal 13)
(Continued in next column)
Continued from previous column)
Coolant
Temperature
Indicator does not
light with the engine
coolant overheated
Do Test K (also see
Test C terminal 13)
Coolant
Temperature
Indicator is always
on
Do Test J (also see
TestC Terminal 13)
Oil Pressure Gage
indicates low
pressure when oil
pressure is normal
Do Test L (also see
TestC terminal 17)
Oil Pressure Gage
indicates high
pressure at all times
Do Test M (also see
TestC terminal 17)
Oil Pressure Gage is
inaccurate
Do Test N (also see
TestC terminal 17)
Voltmeter is
inaccurate
Do Test 0
Tachometer does not
operate
Do Test P
(Continued on next page)