GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Engine Coolant Temperature Indicator Always On

Step

Action

Value(s)

Yes

No

1

Was Instrument Cluster System Check performed?

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Go to Step 2

Go to Instrument Cluster System Check

2
  1. Turn the ignition switch to the ON position.
  2. Connect a scan tool.
  3. Select PCM DATA 3.

Does the scan tool indicate that the engine coolant temperature is above 247 °F?

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Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

Go to Step 3

3

Replace the instrument cluster (IPC). Refer to Instrument Cluster Replacement .

Is the replacement complete?

--

Go to Instrument Cluster System Check

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