Schematic Reference: Cruise Control Schematics

1

Did you perform A Diagnostic System Check- Cruise Control?

Go to Step 2

Go to Diagnostic System Check - Cruise Control

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Cruise Lamp parameter in the IPC data list.

Does the scan tool indicate that the cruise lamp is commanded On?

Go to Step 3

Go to Step 4

With a scan tool, observe the Cruise parameter in the PCM data list.

Does the scan tool indicate that the cruise control is Engaged?

Go to Diagnostic System Check - Engine Controls in Engine Controls 3.5 L or Diagnostic System Check - Engine Controls in Engine Controls 4.0 L

Go to Step 4

Inspect for poor connections at the harness connector of the instrument cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

Go to Step 6

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2