Theft Deterrent Horn Circuit

Theft Deterrent Horn Circuit

CIRCUIT DESCRIPTION
When the theft deterrent system is operating, the relay in the ECU turns ON and OFF in a cycle of approximately 0.2 seconds, causing the theft deterrent horn to blow.
In this condition, if any of the following operations has been done, the relay in the ECU turns OFF, thus the theft deterrent horn stops blowing:

Wiring Diagram:

Step 1:

Steps 2 - 4:

Step 4 (continued):

INSPECTION PROCEDURE