For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the horn diagnostic system check performed? | -- | Go to Step 2 | Go to Diagnostic System Check - Horns
2 | Remove the horn relay. Did the horn stop sounding? | -- | Go to Step 3 | Go to Step 4
3 | Replace the horn relay. Did you correct the condition? | -- | Go to Diagnostic System Check - Horns | --
4 | Find and repair the short to battery in the horn feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and repair the condition? | -- | Go to Diagnostic System Check - Horns | --