Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
| 
 Important: The horns may be turned off in feature customization. Refer to Feature Customization .  | ||||
1  | Did you perform the Diagnostic System Check?  | --  | ||
2  | 
 Does the horn chirp upon system arming?  | --  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | |
3  | 
 Does the test lamp illuminate?  | --  | ||
4  | Test for and repair a poor connection at the BCM connector C3 terminal C9. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and repair a poor connection?  | --  | ||
5  | Repair the open in circuit 28 between the BCM C3 terminal C9 and connector C216 terminal G. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?  | --  | --  | |
6  | 
 Important: Perform the set up procedure for the body control system. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement?  | --  | --  | |
7  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | |