GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Lighting Systems Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Did the incandescent lamps operate properly?

--

Go to Step 3

Go to Incandescent Lamps Inoperative

3

Were the VF displays inoperative for all of the following (if equipped)?

    • The Climate Control Panel (CCP)
    • The Heater and A/C Control
    • The Instrument Panel Cluster (IPC)
    • The Radio

--

Go to Step 7

Go to Step 4

4

Was the VF display inoperative for only the radio?

--

Go to Diagnostic System Check - Radio/Audio System in Entertainment

Go to Step 5

5

Was the VF display inoperative for only the instrument cluster (IPC)?

--

Go to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console

Go to Step 6

6

Was the VF display inoperative for only the heater and A/C control head or CCP?

--

Go to Diagnostic System Check in HVAC Systems - Automatic or Diagnostic System Check in HVAC systems - Manual

Go to Step 7

7

Replace the climate control panel or the instrument panel integration module (w/CJ2). Refer to Control Module References in Body Control System.

Is the replacement complete?

--

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you find and correct the condition?

--

System OK

Go to Step 2