Possible Causes
To identify possible sources of diagnostic function problems, see DIAGNOSTIC FUNCTIONS table.
DIAGNOSTIC FUNCTIONS
| Affected System | Possible Causes |
|---|---|
| Horn | Horn Circuit Malfunction Keyless Control Module Wiring Harness Problem Between Keyless Control Module & Horn Relay |
| Headlights | Headlight Circuit Malfunction Keyless Control Module Wiring Harness Problem Between Keyless Entry Module & Headlight Relay |
| Hazard Lights | Hazard Light Circuit Malfunction Keyless Control Module Wiring Harness Problem Between Keyless Control Module and Hazard Lights Or Flasher Control Module |
| Door Locks | Door Lock Linkage Malfunction |
| Door Lock Switches | Door Lock Switch Circuit Malfunction |
| Keyless Control Module Door Unlock Signal | Keyless Control Module Wiring Harness Problem Between Keyless Control Module and Door Lock Control Module |
| Driver's Side Door Key Cylinder Switch | Driver's Side Door Key Cylinder Switch Or Circuit |
| Keyless Control Module Door Lock/Unlock Signal | Keyless Control Module Wiring Harness Problem Between Keyless Control Module and Door Lock Control Module |