Check Gages Indicator Always On; Check Gages Indicator Inoperative - GMC Chevrolet Camaro 1998 Service Manual

Body and Accessories Instrument Panel, Gauges and Console 8-485
CHECK GAGES Indicator Always On
Step Action Value(s) Yes
No
1. Run the engine at idle speed.
Go to Starting
2. Measure the system voltage across the battery.
System Check or
1 11.2-16.SV Charging System
Is the voltage outside of the specified range?
Check in Engine
Electrical Go to Step2
1. Inspect for PCM diagnostic trouble codes relative to
the charging system, oil pressure or temperature.
Refer to A Powertrain On Board Diagnostic (080)
System Check (V6) or Lubrication Specifications (VB)
in Engine Controls.
2. Verify that the following conditions exist:
2
• The coolant temperature is below approximately
-
122°C (252°F) for V6 VIN K or below 118°C
(244°F) for VB VIN G.
• The oil pressure is above 8.3 psi
(minimum for pump).
Anything below 3 to 5 psi should cause the check
Go to Instrument
gauges light to turn on.
Cluster
Do these conditions exist? Go to Step 3 System Check
Inspect for an open or poor connection in CKT 225.
3
If the circuit is open, the generator will not generate
voltage and the vehicle may be running only on -
Go to Instrument
battery power.
Cluster
Did you repair an open or a poor conn.ection? System Check Go to Step 4
Replace the instrument cluster. Refer to IP Cluster
Go to Instrument
4
Replacement.
-
Cluster
-
Is the repair complete? System Check
CHECK GAGES Indicator Inoperative
Step Action Value(s)
...
Yes
No
Start the engine while monitoring the check gauges
indicator. (The check gauges indicator will stay on
1
continuously if engine is not started.)
-
Did the check gauges indicter turn ON for
Go to' Step 2 ·
approximately 1 second?
Go to Step 3
Inspect for the following systems:
• Charging system, refer to Charging System Check
2 • Coolant temperature, refer to Engine Cooling
-
Go to Instrument
• Oil pressure, refer to Engine Mechanical
Cluster
Is the check gauges indicator still inoperative? Go
to
Step 3 System Check
Replace the instrument cluster. Refer to IP Cluster
Go to Instrument
3
Replacement.
-
Cluster
-
Is the repair complete? System Check