Step  | Action  | Values  | Yes  | No  | ||||
|---|---|---|---|---|---|---|---|---|
Schematic Reference: Cruise Control Schematics Connector End View Reference: Cruise Control Connector End Views  | ||||||||
1  | Did you perform the Instrument Cluster Diagnostic System Check?  | --  | Go to Step 2  | Go to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console  | ||||
2  | Turn the ignition ON, with the engine OFF. Does the Cruise indicator illuminate in the IPC after the IPC displays test?  | --  | Go to Step 3  | Go to Step 5  | ||||
3  | 
 Does the Cruise Lamp parameter display On?  | --  | Go to Step 4  | Go to Step 12  | ||||
4  | 
 Does the voltage measure at approximately the specified voltage?  | B+  | Go to Step 11  | Go to Step 7  | ||||
5  | 
 Does the Cruise indicator illuminate in the IPC?  | --  | Go to Step 6  | Go to Step 12  | ||||
6  | 
 Does the voltage measure at approximately the specified voltage?  | B+  | Go to Step 8  | Go to Step 9  | ||||
7  | Test the CRUISE ON indicator control circuit for a short to ground. Refer to Testing for Short to Ground and to Wiring Repairs in Wiring Systems. Did you find and correct the condition?  | --  | Go to Step 14  | Go to Step 10  | ||||
8  | Test the CRUISE ON indicator control circuit for a short to voltage. Refer to Testing for a Short to Voltage and to Wiring Repairs in Wiring Systems. Did you find and correct the condition?  | --  | Go to Step 14  | Go to Step 11  | ||||
9  | Test the CRUISE ON indicator control circuit for an open or for a high resistance. Refer to Testing for Short to Ground and to Wiring Repairs in Wiring Systems. Did you find and correct the condition?  | --  | Go to Step 14  | Go to Step 10  | ||||
10  | Inspect for poor connections at the harness connector of the VCM/PCM. Refer to Intermittents and Poor Connections Diagnosis and to Connector Repairs in Wiring Systems. Did you find and correct the condition?  | --  | Go to Step 14  | Go to Step 13  | ||||
11  | Replace the cruise control module. Refer to Cruise Control Module Replacement . Did you complete the replacement?  | --  | Go to Step 14  | --  | ||||
12  | Replace the instrument panel cluster (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement?  | --  | Go to Step 14  | --  | ||||
13  | 
 Important: Program the replacement VCM/PCM. Replace the VCM/PCM. Refer to the appropriate procedure: 
 
 Did you complete the replacement?  | --  | Go to Step 14  | --  | ||||
14  | Operate the system in order to verify the repair. Does the system operate properly?  | --  | System OK  | Go to Step 2  | ||||