Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Did you perform the Remote Keyless Entry System Check?  | --  | Go to Step 2  | |
2  | Press the horn pad on the steering wheel. Does the horn sound?  | --  | Go to Step 3  | Go to Horns System Check in Horns  | 
3  | Verify the operation of the exterior lights. Do the exterior lights function properly?  | --  | Go to Step 4  | Go to Exterior Lights System Check in Lighting Systems  | 
4  | Is the panic function inoperative from both transmitters?  | --  | Go to Step 5  | Go to Step 11  | 
5  | Are only the horns inoperative when the panic function is active?  | --  | Go to Step 6  | Go to Step 8  | 
6  | Inspect CKT 28 (BLK/WHT) for an open between the Remote Function Actuator (RFA) module and the horn relay. Was an open found?  | --  | Go to Step 7  | Go to Step 12  | 
7  | Repair the open in CKT 28 (BLK/WHT). Is the repair complete?  | --  | --  | |
8  | Are only the exterior lights inoperative when the panic function is active?  | --  | Go to Step 9  | Go to Step 12  | 
9  | Inspect CKT 624 (BLK/WHT) for an open between the RFA module and the lamp control module (LCM). Was an open found?  | --  | Go to Step 10  | Go to Step 12  | 
10  | Repair the open in CKT 624 (BLK/WHT). Is the repair complete?  | --  | --  | |
11  | Replace the transmitter. Refer to Transmitter Programming Is the repair complete?  | --  | --  | |
12  | Replace the RFA module. Refer to Remote Control Door Lock Receiver Replacement Is the repair complete?  | --  | --  |