Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Did you perform the IPC diagnostic system check?  | --  | ||
2  | 
 Is the FUEL CAP lamp illuminated?  | --  | ||
3  | Test the control circuit of the fuel cap indicator for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?  | --  | ||
4  | Replace the ECM. Refer to Engine Control Module Replacement/Programming . Did you complete the replacement?  | --  | --  | |
5  | Replace the IPC. Refer to Instrument Cluster Replacement . Did you complete the replacement?  | --  | --  | |
6  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  |