S60 AWD L5-2.5L Turbo VIN 59 B5254T2 (2005)
1 - Fault Found
2 - Checking the wiring for the horn
3 - Checking the cable for the relay
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Checking the wiring for the horn
Check the relay (2/17).
Hint: The voltage must be 12 V at terminal #3. The signal to the horn is at terminal #5.
Check the cable between relay terminal #5 and horn 1 (16/10) terminal #1 and horn 2 (16/11) terminal #1.
Also check that both the horns are grounded at terminal #2.
Check the connector.
Remedy as necessary.
