Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Cruise Control Schematics | |||
1 | Did you perform A Diagnostic System Check - Cruise Control? | Go to Step 2 | |
2 | Operate the vehicle within the conditions for cruise control operation. Does the cruise control system operate correctly? | Go to Step 3 | |
3 | Use a scan tool in order to command the cruise lamp OFF. Does the CRUISE indicator lamp in the IPC turn OFF ? | Go to Diagnostic System Check - Engine Controls in Engine Controls | Go to Step 4 |
4 |
Is the CRUISE indicator lamp in the IPC OFF? | Go to Step 7 | Go to Step 5 |
5 | Test the cruise indicator lamp signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the IPC. 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 10 | Go to Step 8 |
7 | Inspect for poor connections at the harness connector of the PCM. 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 10 | Go to Step 9 |
8 |
Important: The IPC must be reprogrammed when replaced. Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Did you complete the replacement? | Go to Step 10 | -- |
9 |
Important: The PCM must be reprogrammed after replacement. Refer to Service Bay Test in Engine Controls Replace the PCM. Refer to Engine Control Module Replacement in Engine Controls Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the vehicle within the conditions for cruise control operation. Did you correct the condition? | System OK | Go to Step 2 |
