Low Engine Coolant Indicator Inoperative; Low Engine Oil Level Indicator Always On - GMC Chevrolet Camaro 1998 Service Manual

8-488 Instrument Panel, Gauges and Console Body and Accessories
Low Engine· Coolant Indicator Inoperative
Step Action Value(s) Yes No
Important: AH V8 engines are equipped with a coolant level latching circuit. Refer to Circuit Description and cycle ignition
from OFF to RUN before performing this procedure.
(
1. Disconnect the engine coolant level sensor.
2. Connect a fused jumper from connector terminal B to
1
ground.
-
3. Put the ignition in the RUN position and turn the
engine OFF.
Does the indicator turn ON? Go to Step 2 Go to Step 3
Inspect for an open or a poor connection in ground
2
CKT 250 to terminal C of the engine coolant level sensor
Go to Instrument Go to Coolant
connector.
-
Cluster Level Sensor
Did you repair an open or a poor connection?
System Check
Replacement
1. Turn the ignition OFF.
2. Backprobe with a fused jumper from C200D
3
terminal A 17 to ground.
-
3. Put the ignition in the RUN position and turn the
engine OFF.
Does the indicator turn ON? Go to Step 4 Go to Step 5
Repair an open or a poor connection in CKT 68 between
Go to lnstnJment
4
C200A and the engine coolant level sensor.
-
Cluster
-
Is the repair complete? System Check
1. Inspect for an open or a poor connection in CKT 68
between C219 and instrument cluster connector
5
terminal A6.
-
Go to Instrument
2. Inspect the low coolant indicator bulb.
Cluster
Did you repair an open or a poor connection? System Check Go to Step 6
Service the instrument cluster. Refer to IP Cluster
Go to Instrument
6
Replacement.
-
Cluster
-
(
Is the repair complete?
System Check
Low Engine Oil Level Indicator Always On
Step Action Value(s) Yes No
1. Disconnect connector C220.
1
2. Turn the ignition switch to the RUN position and the
-
engine OFF.
Is the LOW oil indicator on? Go to Step 2 Go to Step 4
Inspect for a short to ground in CKT 1173 between the
Go to Instrument
2
instrument cluster and connector C220.
-
Cluster
Did you repair a short?
System Check
Go to Step 3
Service the instrument cluster. Refer to IP Cluster
Go to Instrument
3
Replacement.
-
Cluster
-
Is the repair complete? System Check
Inspect CKT 1173 for a short to ground between Go to A
connector C200 and the powertrain control module (PCM). Powertrain On
Did you repair a short?
Board Diagnostic
Go to Instrument
(080) System
4 -
Cluster
Check (V6) or A
System Check
Powertrain On
Board Diagnostic
(OBD) System
Check (V8) in
Engine Controls
(