Check Security Horn
WARNING: This page is about a different car, the 2006 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
SECURITY HORN REFERENCE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK SECURITY HORN RELAY. Remove and check the security horn relay. < Ref. to SECURITY HORN RELAY . > |
Is the security horn relay OK? | Go to step 2. | Replace the security horn relay. |
| 2 CHECK POWER SUPPLY FOR SECURITY HORN RELAY. Measure the voltage between the security horn relay harness connector terminal and chassis ground. Connector & terminal (B243) No. 1 (+) - Chassis ground (-): |
Is the measured value more than 10 V? | Go to step 3. | Check the harness for open circuits and shorts between the security horn relay and horn relay. |
| 3 CHECK POWER SUPPLY FOR SECURITY HORN RELAY. Measure the voltage between the security horn relay harness connector terminal and chassis ground. Connector & terminal (B243) No. 2 (+) - Chassis ground (-): |
Is the measured value more than 10 V? | Go to step 4. | Check the harness for open circuits and shorts between the security horn relay and the fuse. |
4 CHECK HARNESS BETWEEN SECURITY HORN RELAY AND KEYLESS ENTRY CONTROL MODULE.
|
Is the measured value less than 10 Ω? | Go to step 5. | Check the harness for open circuits and shorts between the security horn relay and keyless entry control module. |
5 CHECK HARNESS BETWEEN SECURITY HORN RELAY AND SECURITY HORN.
|
Is the measured value less than 10 Ω? | Go to step 6. | Check the harness for open circuits and shorts between the security horn relay and security horn. |
| 6 CHECK SECURITY HORN. Remove and check the security horn. < Ref. to SECURITY HORN . > |
Is the security horn OK? | Replace the keyless entry control module. | Replace the security horn. |