| (a) Check the operation of the security horn assembly. OK:  
                                 
                                 
                                 
                                    
                                       | Battery Connection | Specified Condition |  
                                       | Auxiliary battery positive (+) → Terminal 1 | Security horn assembly sounds |  
                                       | Auxiliary battery negative (-) → Security horn assembly body |  If the result is not as specified, replace the security horn assembly. | 
                                 
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                                                | *a | Component without harness connected (Security Horn Assembly) |  |  |