GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference Cruise Control Schematics

1

Did you perform the Cruise Control Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Cruise Control

2

  1. Turn OFF the ignition.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the CRUISE indicator on the instrument cluster (IPC) during the bulb check.

Does the suspect indicator illuminate during the bulb check and then turn OFF?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Replace the instrument cluster (IPC). Refer to Instrument Cluster Replacement in Instrument, Gage and Control Panel.

Did you complete the repair?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2