Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics  | |||
1  | Did you perform the Lighting Diagnostic System Check?  | ||
2  | Verify the fault is present. Does the system operate normally?  | Go to Testing for Electrical Intermittents in Wiring Systems  | |
3  | 
 Does the cargo lamp function properly?  | Go to the appropriate diagnostic chart from the following list: Cargo Lamp Always On , Cargo Lamp Inoperative  | |
4  | 
 Does the message turn on and off when commanded?  | ||
5  | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Did you complete the replacement?  | --  | |
6  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | |